CN109815060A - Method and device for backup information - Google Patents
Method and device for backup information Download PDFInfo
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- CN109815060A CN109815060A CN201910093950.6A CN201910093950A CN109815060A CN 109815060 A CN109815060 A CN 109815060A CN 201910093950 A CN201910093950 A CN 201910093950A CN 109815060 A CN109815060 A CN 109815060A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
- G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
- G06F11/1453—Management of the data involved in backup or backup restore using de-duplication of the data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1461—Backup scheduling policy
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1469—Backup restoration techniques
Abstract
Embodiment of the disclosure discloses the method and device for backup information.One specific embodiment of this method includes: the metamessage record sheet for being spaced period first time acquisition information system；The first metamessage acquisition instruction is sent according to node of the metamessage record sheet at least one node；In response to receiving at least one the first feedback informations of the above-mentioned first metamessage acquisition instruction of correspondence that the node at least one above-mentioned node is sent, above-mentioned at least one the first feedback information is saved to the first memory block.The embodiment reduces the data volume of backup, improves the efficiency and stability of Backup Data.
Description
Technical field
Embodiment of the disclosure is related to field of computer technology, and in particular to the method and device for backup information.
Background technique
With the development of information technology, the information of magnanimity is present in information system, and with time change rapid growth.For
Guarantee the safety of information, information system needs to back up the information in information system, to prevent information from losing.Work as letter
When information in breath system goes out active, information system can pass through the information of Backup and Restore loss.
Summary of the invention
Embodiment of the disclosure proposes the method and device for backup information.
In a first aspect, embodiment of the disclosure provides a kind of method for backup information, this method comprises: interval the
A period of time obtains the metamessage record sheet of information system, and above-mentioned metamessage record sheet has recorded at least one in information system
The name information of the metamessage saved on node；According to node hair of the above-mentioned metamessage record sheet at least one above-mentioned node
The first metamessage acquisition instruction is sent, above-mentioned first metamessage acquisition instruction is used to indicate the metamessage obtained in corresponding node；It rings
Ying Yu receives at least one of the above-mentioned first metamessage acquisition instruction of correspondence that the node at least one above-mentioned node is sent
First feedback information saves above-mentioned at least one the first feedback information to the first memory block, wherein the first feedback information includes
The metamessage of above-mentioned first metamessage acquisition instruction instruction in corresponding node.
In some embodiments, the above-mentioned node according to above-mentioned metamessage record sheet at least one above-mentioned node is sent
First metamessage acquisition instruction, comprising: determine the first distributed intelligence of metamessage according to above-mentioned metamessage record sheet, above-mentioned first
The name information and the node where metamessage that distributed intelligence includes metamessage；For the node at least one above-mentioned node,
The first metamessage acquisition instruction of the corresponding node is constructed according to above-mentioned first distributed intelligence.
In some embodiments, the above method further include: the step of metamessage is saved within above-mentioned period first time, on
Stating the step of metamessage is saved within above-mentioned period first time includes: the increment letter for being spaced second time period and obtaining metamessage
Breath, above-mentioned increment information are used to be characterized in the metamessage changed in above-mentioned second time period, and above-mentioned second time period is less than
Above-mentioned period first time；The second distributed intelligence of metamessage, above-mentioned second distributed intelligence packet are determined according to above-mentioned increment information
The name information for including the corresponding metamessage of above-mentioned increment information and the node where metamessage；For at least one above-mentioned node
Node, the second metamessage acquisition instruction of the corresponding node, above-mentioned second metamessage are constructed according to above-mentioned second distributed intelligence
Acquisition instruction, which is used to indicate, obtains the corresponding metamessage of above-mentioned increment information on node；In response to receiving at least one above-mentioned section
At least one the second feedback informations of the above-mentioned second metamessage acquisition instruction of the correspondence that the node in point is sent, by above-mentioned at least one
The second feedback information of item is saved to the second memory block, wherein the second feedback information includes above-mentioned second metamessage in corresponding node
The metamessage of acquisition instruction instruction.
In some embodiments, above-mentioned metamessage record sheet further includes temporal information, and above-mentioned temporal information is for marking member
Holding time of the information on node, and, above-mentioned interval second time period obtains the increment information of metamessage, comprising: obtains
Above-mentioned metamessage record sheet is taken, is determined in above-mentioned metamessage record sheet according to the corresponding temporal information of above-mentioned second time period
The increment information of metamessage.
In some embodiments, the above method further include: the step of being lost in response to metamessage, restoring metamessage, it is above-mentioned
The step of being lost in response to metamessage, restoring metamessage, comprising: be less than setting threshold in response to the data volume of the metamessage of loss
Value, and there is corresponding first recall info of metamessage lost, then restore the member of above-mentioned loss by first recall info
Otherwise information is searched from above-mentioned second memory block by the name information of the metamessage of above-mentioned loss and restores above-mentioned loss
Metamessage, wherein recall info is for recording the metamessage saved in above- mentioned information system.
In some embodiments, above-mentioned the step of being lost in response to metamessage, restoring metamessage, comprising: in response to above-mentioned
The metamessage of above-mentioned loss is not present in second memory block, is stored by the name information of the metamessage of above-mentioned loss from above-mentioned first
The metamessage of above-mentioned loss is searched and restored in area.
In some embodiments, above-mentioned the step of being lost in response to metamessage, restoring metamessage, comprising: in response to losing
The data volume of metamessage be more than or equal to above-mentioned given threshold, by the name information of the metamessage of above-mentioned loss from above-mentioned second
The metamessage of above-mentioned loss is searched and restored in memory block.
In some embodiments, above-mentioned the step of being lost in response to metamessage, restoring metamessage, comprising: in response to losing
Metamessage data volume be more than or equal to above-mentioned given threshold, and the metamessage of above-mentioned loss be not stored in it is above-mentioned first storage
Area and the second memory block obtain corresponding second recall info of metamessage of above-mentioned loss, and extensive by second recall info
The metamessage of multiple above-mentioned loss.
Second aspect, embodiment of the disclosure provide a kind of device for backup information, which includes: metamessage
Record sheet acquiring unit is configured to be spaced the metamessage record sheet of period first time acquisition information system, above-mentioned metamessage
Record sheet has recorded the name information of the metamessage saved at least one node in information system；First metamessage acquisition instruction
Transmission unit is configured to the node according to above-mentioned metamessage record sheet at least one above-mentioned node and sends the first metamessage
Acquisition instruction, above-mentioned first metamessage acquisition instruction are used to indicate the metamessage obtained in corresponding node；Metamessage backup units,
In response to receiving at least the one of the above-mentioned first metamessage acquisition instruction of correspondence that the node at least one above-mentioned node is sent
The first feedback information of item is configured to save above-mentioned at least one the first feedback information to the first memory block, wherein first is anti-
Feedforward information includes the metamessage of above-mentioned first metamessage acquisition instruction instruction in corresponding node.
In some embodiments, above-mentioned first metamessage acquisition instruction transmission unit includes: that the first distributed intelligence determines son
Unit is configured to determine the first distributed intelligence of metamessage, above-mentioned first distributed intelligence packet according to above-mentioned metamessage record sheet
The name information for including metamessage and the node where metamessage；First metamessage acquisition instruction construct subelement, for it is above-mentioned extremely
Node in a few node, the first metamessage for being configured to construct the corresponding node according to above-mentioned first distributed intelligence obtain
Instruction.
In some embodiments, above-mentioned apparatus further include: metamessage storage unit was configured in above-mentioned week first time
Metamessage is saved in phase, above-mentioned metamessage storage unit includes: that increment information obtains subelement, is configured to be spaced the second time
Period obtains the increment information of metamessage, and above-mentioned increment information is used to be characterized in the member letter changed in above-mentioned second time period
Breath, above-mentioned second time period are less than above-mentioned period first time；Second distributed intelligence determines subelement, is configured to according to upper
The second distributed intelligence that increment information determines metamessage is stated, above-mentioned second distributed intelligence includes the corresponding member letter of above-mentioned increment information
The name information of breath and the node where metamessage；Second metamessage acquisition instruction construct subelement, for it is above-mentioned at least one
Node in node is configured to construct the second metamessage acquisition instruction of the corresponding node according to above-mentioned second distributed intelligence,
Above-mentioned second metamessage acquisition instruction, which is used to indicate, obtains the corresponding metamessage of above-mentioned increment information on node；Metamessage saves son
Unit, in response to receiving the above-mentioned second metamessage acquisition instruction of correspondence that the node at least one above-mentioned node is sent extremely
Few second feedback information is configured to save above-mentioned at least one the second feedback information to the second memory block, wherein the
Two feedback informations include the metamessage of above-mentioned second metamessage acquisition instruction instruction in corresponding node.
In some embodiments, above-mentioned metamessage record sheet further includes temporal information, and above-mentioned temporal information is for marking member
Holding time of the information on node, and, it includes: increment information determining module that above-mentioned increment information, which obtains subelement, is matched
It is set to and obtains above-mentioned metamessage record sheet, determine that above-mentioned metamessage records according to the corresponding temporal information of above-mentioned second time period
The increment information of metamessage in table.
In some embodiments, above-mentioned apparatus further include: metamessage recovery unit is lost in response to metamessage, is configured
At metamessage is restored, above-mentioned metamessage recovery unit includes: that the first metamessage restores subelement, in response to the metamessage of loss
Data volume is less than given threshold, and there is corresponding first recall info of metamessage lost, and is configured to first remember by this
Recall the metamessage of the above-mentioned loss of Information recovering, otherwise, is stored by the name information of the metamessage of above-mentioned loss from above-mentioned second
The metamessage of above-mentioned loss is searched and restored in area, wherein recall info is for recording the member saved in above- mentioned information system
Information.
In some embodiments, above-mentioned metamessage recovery unit includes: that the second metamessage restores subelement, in response to above-mentioned
The metamessage of above-mentioned loss is not present in second memory block, is configured to through the name information of the metamessage of above-mentioned loss from above-mentioned
The metamessage of above-mentioned loss is searched and restored in first memory block.
In some embodiments, above-mentioned metamessage recovery unit includes: that third metamessage restores subelement, in response to losing
The data volume of metamessage be more than or equal to above-mentioned given threshold, be configured to by the name information of the metamessage of above-mentioned loss from
The metamessage of above-mentioned loss is searched and restored in above-mentioned second memory block.
In some embodiments, above-mentioned metamessage recovery unit includes: quaternary Information recovering subelement, in response to losing
Metamessage data volume be more than or equal to above-mentioned given threshold, and the metamessage of above-mentioned loss be not stored in it is above-mentioned first storage
Area and the second memory block, are configured to obtain corresponding second recall info of metamessage of above-mentioned loss, and second are remembered by this
Recall the metamessage of the above-mentioned loss of Information recovering.
The third aspect, embodiment of the disclosure provide a kind of electronic equipment, comprising: one or more processors；Storage
Device is stored thereon with one or more programs, when said one or multiple programs are executed by said one or multiple processors,
So that said one or multiple processors execute the method for backup information of above-mentioned first aspect.
Fourth aspect, embodiment of the disclosure provide a kind of computer-readable medium, are stored thereon with computer program,
It is characterized in that, the program realizes the method for backup information of above-mentioned first aspect when being executed by processor.
The method and device for backup information that embodiment of the disclosure provides, first interval period first time obtain
The information record sheet of information system, wherein information record sheet has recorded the member letter saved at least one node in information system
The name information of breath；Then the node according to information record sheet at least one node sends the first metamessage acquisition instruction,
First metamessage acquisition instruction is used to indicate the metamessage obtained in corresponding node；Finally obtain receiving corresponding first metamessage
First feedback information of instruction fetch saves the first feedback information to the first memory block.The technical program passes through backup metamessage
It realizes the backup to data, reduces the data volume of backup, improve the efficiency and stability of Backup Data.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the disclosure is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is that one embodiment of the disclosure can be applied to exemplary system architecture figure therein；
Fig. 2 is the flow chart according to one embodiment of the method for backup information of the disclosure；
Fig. 3 is the schematic diagram according to an application scenarios of the method for backup information of the disclosure；
Fig. 4 is the flow chart according to another embodiment of the method for backup information of the disclosure；
Fig. 5 is the flow chart according to one embodiment of the method for restoring information of the disclosure；
Fig. 6 is the structural schematic diagram according to one embodiment of the device for backup information of the disclosure；
Fig. 7 is adapted for the electronic devices structure schematic diagram for realizing embodiment of the disclosure.
Specific embodiment
The disclosure is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the disclosure can phase
Mutually combination.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is shown can the method for backup information using embodiment of the disclosure or the dress for backup information
The exemplary system architecture 100 set.
As shown in Figure 1, system architecture 100 may include primary server 101, child servers 102,103,104,105 are active and standby
Part server 106, from backup server 107 and network 108,109,110.Network 108,109,110 is in primary server
101, child servers 102,103,104,105 and provide communication link between backup server 107 at master backup server 106
Medium.Master backup server 106 can also be communicated directly with primary server 101.Network 108,109,110 may include
Various connection types, such as wired, wireless communication link or fiber optic cables etc..
Primary server 101 and child servers 102,103,104,105 constitute the information system of at least one level.Main service
Device 101 is responsible for the data management of the entire information decorum, and all data informations in information system can be recorded in primary server
101.Each child servers in child servers 102,103,104,105 are each responsible for corresponding data processing, and to main service
Device 101 sends the data information in child servers.Master backup server 106 can be used for being spaced the main clothes of period first time preservation
The metamessage that business device 101 backs up.Master backup server 106 can be Google's file system (Google file system, abbreviation
GFS), advanced file system (advanced file system, abbreviation AFS), Linux cluster parallel file system etc..From standby
Part server 107 can be used for being spaced the metamessage in second time period preservation child servers 102,103,104,105.From standby
Part server 107 can be above-mentioned GFS, AFS, Linux cluster parallel file system, can also be that other kinds of storage is set
It is standby, herein without limitation.In general, period first time is greater than second time period.Metamessage is the information about information, is used for
Structure, semanteme, purposes and usage of description information etc..Each data have corresponding metamessage.The data volume of metamessage is usual
Data volume than corresponding information is small.Once also, situations such as information loss, it can be restored by metamessage.
Each child servers in child servers 102,103,104,105 can in certain area terminal device or its
He carries out data interaction at child servers, to carry out relevant data processing.It can be installed in child servers 102,103,104,105
There are various data handling utilities.Such as web browser applications, the application of shopping class, searching class application, instant messaging tools, mailbox
Client, social platform software etc..
Child servers 102,103,104,105 can be hardware, be also possible to software.When child servers 102,103,104,
105 when being hardware, can be with display screen and support the various electronic equipments of data processing, including but not limited to plate electricity
Brain, pocket computer on knee and desktop computer etc..When child servers 102,103,104,105 are software, Ke Yian
In above-mentioned cited electronic equipment.Multiple softwares or software module may be implemented into (such as providing distribution in it
Service), single software or software module also may be implemented into, be not specifically limited herein.
Primary server 101 can be to provide the server of various services, such as in child servers 102,103,104,105
Data be managed, and send relevant control instruction to child servers 102,103,104,105.Primary server 101 can be with
Metamessage acquisition instruction is sent to child servers 102,103,104,105, to indicate that each child servers upload data thereon
Metamessage.Later, the metamessage that primary server 101 can will acquire is saved to master backup server 106.
It should be noted that the method provided by embodiment of the disclosure for backup information is generally by primary server
101 execute, and correspondingly, the device for backup information is generally positioned in primary server 101.
It should be noted that primary server 101, child servers 102,103,104,105 can be hardware, be also possible to soft
Part.When primary server 101, when child servers 102,103,104,105 are hardware, point of multiple server compositions may be implemented into
Cloth server cluster, also may be implemented into individual server.When above-mentioned primary server 101, child servers 102,103,104,
105 be software when, multiple softwares or software module (such as providing Distributed Services) may be implemented into, also may be implemented into
Single software or software module, are not specifically limited herein.
It should be understood that primary server, child servers, master backup server in Fig. 1, from the number of backup server and network
Mesh is only schematical.According to needs are realized, any number of primary server, child servers, master backup service can have
Device, from backup server and network.
With continued reference to Fig. 2, the process of one embodiment of the method for backup information according to the disclosure is shown
200.This for backup information method the following steps are included:
Step 201, interval period first time obtains the metamessage record sheet of information system.
It in the present embodiment, can for the executing subject of the method for backup information (such as primary server 101 shown in FIG. 1)
To obtain metamessage record sheet by wired connection mode or radio connection.Wherein, metamessage record sheet can save
In the executing subject of the present embodiment, it can also be stored in metamessage server or other equipment.It should be pointed out that above-mentioned
Radio connection can include but is not limited to 3G/4G connection, WiFi connection, bluetooth connection, WiMAX connection, Zigbee connection,
UWB (ultra wideband) connection and other currently known or exploitation in the future radio connections.
The method of existing information system Backup Data generally includes two kinds: method one, daily to the number in information system
According to progress mirror back-up；Method two carries out mirror back-up to data according to set time period, in set time period, often
It backs up the data newly increased.But the computing resource and memory space of the consumption of method one are too big；What method two consumed
Although computing resource ratio method one is small, need all to scan information system when backing up the data newly increased, thus
Lead to a large amount of repetitive operation of corresponding Backup Data, and influences the online service of information system.Therefore, existing method is standby
The low efficiency of part data.
The executing subject of the application can be spaced period first time and to metamessage server or other equipment send request,
To obtain metamessage record sheet.Metamessage record sheet, which has been usually noted in information system at least one node, (such as can be son
Server 102,103,104,105) on the name information of metamessage that saves.In practice, the data volume in executing subject is very big,
The time of each Backup Data is longer.In general, period first time can be two weeks, one month or two months etc..
Step 202, the node according to above-mentioned metamessage record sheet at least one above-mentioned node sends the first metamessage
Acquisition instruction.
Data on node are corresponding with metamessage, and metamessage can be distributed in the different data area of present node.It executes
Main body can inquire the name information of the metamessage on each node by metamessage record sheet, and according to name information to each
Node sends the first metamessage acquisition instruction.Wherein, above-mentioned first metamessage acquisition instruction can serve to indicate that the corresponding section of acquisition
Metamessage on point.
In some optional implementations of the present embodiment, it is above-mentioned according to above-mentioned metamessage record sheet to above-mentioned at least one
Node in a node sends the first metamessage acquisition instruction, may comprise steps of:
The first step determines the first distributed intelligence of metamessage according to above-mentioned metamessage record sheet.
Executing subject can inquire the name information of metamessage in metamessage record sheet, to determine metamessage in each node
On distribution, and then obtain the first distributed intelligence.That is, the first distributed intelligence may include the name information and metamessage of metamessage
The node at place.
Second step constructs the corresponding section according to above-mentioned first distributed intelligence for the node at least one above-mentioned node
First metamessage acquisition instruction of point.
After obtaining the first distributed intelligence, executing subject can construct the according to the name information of the metamessage on each node
Unitary acquisition of information instruction, so that can be believed according to first yuan after corresponding node receives the first metamessage acquisition instruction
It ceases acquisition instruction and obtains corresponding metamessage.
Step 203, in response to receiving above-mentioned first metamessage of correspondence that the node at least one above-mentioned node is sent
At least one the first feedback informations of acquisition instruction save above-mentioned at least one the first feedback information to the first memory block.
After node receives the first metamessage acquisition instruction, metamessage can be obtained according to the first metamessage acquisition instruction,
And metamessage is packaged into the first feedback information.Then the first feedback information is sent to executing subject again.Executing subject receives
After at least one the first feedback informations of correspondence the first metamessage acquisition instruction sent to node, executing subject can be by first
Feedback information is saved to the first memory block (such as can be master backup server 106).Wherein, the first feedback information may include
The metamessage of above-mentioned first metamessage acquisition instruction instruction in corresponding node.In this way, the present embodiment is by backup metamessage come real
Now to the backup of data, the data volume of backup is reduced, improves the efficiency and stability of Backup Data.
With continued reference to the signal that Fig. 3, Fig. 3 are according to the application scenarios of the method for backup information of the present embodiment
Figure.In the application scenarios of Fig. 3, information system includes primary server 101, child servers 102, master backup server 106 and net
Network 108.Primary server 101 can be spaced period first time acquisition information system in the metamessage of backup information system
Metamessage record sheet；Then the first metamessage acquisition instruction is sent to child servers 102 according to metamessage record sheet；Finally, will
The first obtained feedback information is saved to master backup server 106.
The method provided by the above embodiment of the disclosure is spaced the information note for obtaining information system in period first time first
Record table, wherein information record sheet has recorded the name information of the metamessage saved at least one node in information system；Then
The first metamessage acquisition instruction, the first metamessage acquisition instruction are sent according to node of the information record sheet at least one node
It is used to indicate the metamessage obtained in corresponding node；Finally in the first feedback letter for receiving corresponding first metamessage acquisition instruction
Breath, the first feedback information is saved to the first memory block.The technical program realizes the backup to data by backup metamessage,
The data volume for reducing backup improves the efficiency and stability of Backup Data.
With further reference to Fig. 4, it illustrates the processes 400 of another embodiment of the method for backup information.The use
It is used to save metamessage within period first time of the corresponding embodiment of above-mentioned Fig. 2 in the method for backup information, flow chart is such as
400, comprising the following steps:
Step 401, interval second time period obtains the increment information of metamessage.
On the basis of Fig. 2 corresponding embodiment, in the present embodiment, the executing subject of the method for backup information
(such as primary server 101 shown in FIG. 1) can be spaced the increment information that second time period obtains metamessage.Wherein, above-mentioned
Increment information can be used for being characterized in the metamessage changed in above-mentioned second time period.
In some optional implementations of the present embodiment, above-mentioned metamessage record sheet further includes temporal information, above-mentioned
Temporal information is used to mark holding time of the metamessage on node, and, above-mentioned interval second time period obtains metamessage
Increment information, may include: to obtain above-mentioned metamessage record sheet, it is true according to the corresponding temporal information of above-mentioned second time period
The increment information of metamessage in fixed above-mentioned metamessage record sheet.
Metamessage record sheet has recorded the name information of metamessage, can also include preservation of the label metamessage on node
The temporal information of time.Executing subject can inquire the corresponding temporal information of second time period, and then determine metamessage record
Which metamessage in table is increment information.Seen from the above description, executing subject is by period first time come backup information
Whole metamessage in system.In general, period first time is longer, and the metamessage in information system is also constantly changing, and holds
The case where easily there is metamessage backup not in time.For example, first time period is one month, executing subject can in every month
Daystart backup information system comes all metamessages of last month from there is data.This means that from this month
It cannot be backed up in time to last day this month emerging metamessage within one day.In order to guarantee not lose metamessage in information system,
Executing subject can also save increment information by second time period.In general, above-mentioned second time period is less than above-mentioned the
A period of time.Second time period can be one day, two days etc..
Step 402, the second distributed intelligence of metamessage is determined according to above-mentioned increment information.
Similar with the process of above-mentioned the first distributed intelligence of acquisition, executing subject can also determine metamessage by increment information
The second distributed intelligence.Wherein, above-mentioned second distributed intelligence may include the title letter of the corresponding metamessage of above-mentioned increment information
Node where breath and metamessage.
Step 403, for the node at least one above-mentioned node, the corresponding section is constructed according to above-mentioned second distributed intelligence
Second metamessage acquisition instruction of point.
Similar with the process of above-mentioned the first metamessage of acquisition acquisition instruction, executing subject can also be according to the second distributed intelligence
Construct the second metamessage acquisition instruction of the corresponding node.Wherein, above-mentioned second metamessage acquisition instruction, which can serve to indicate that, obtains
Take the corresponding metamessage of above-mentioned increment information on node.
Step 404, in response to receiving above-mentioned second metamessage of correspondence that the node at least one above-mentioned node is sent
At least one the second feedback informations of acquisition instruction save above-mentioned at least one the second feedback information to the second memory block.
Similar with the process of above-mentioned the first feedback information of acquisition, the second feedback information that executing subject can also will acquire is protected
It deposits to the second memory block (such as can be from backup server 107).Wherein, the second feedback information may include in corresponding node
The metamessage of above-mentioned second metamessage acquisition instruction instruction.In this way, metamessage can be backed up within period first time, improve
The efficiency and stability of backup metamessage.
With further reference to Fig. 5, it illustrates the processes 500 of one embodiment of the method for restoring information.In response to
Metamessage is lost, this is used to restore the method for information for restoring metamessage, flow chart such as 500, comprising the following steps:
Step 501, it is less than given threshold in response to the data volume of the metamessage of loss, and it is corresponding to there is the metamessage lost
The first recall info, then restore the metamessage of above-mentioned loss by first recall info, otherwise, pass through the member of above-mentioned loss
The name information of information searches and restores the metamessage of above-mentioned loss from above-mentioned second memory block.
Metamessage may be lost with a small amount of situation.If the data volume for the metamessage lost is less than given threshold, and
Executing subject can find corresponding first recall info of metamessage of loss, then executing subject can be believed by first memory
Breath restores the metamessage of above-mentioned loss.First recall info has been usually noted the last state for the metamessage lost, and passes through first
Recall info can also restore the last state for the metamessage lost.If the metamessage for not finding loss corresponding first
Recall info, then executing subject can be searched simultaneously from above-mentioned second memory block by the name information of the metamessage of above-mentioned loss
Restore the metamessage of above-mentioned loss.Seen from the above description, the metamessage saved in the second memory block obtains in the recent period.Cause
This can also restore loss by the metamessage saved in the second memory block if not finding corresponding first recall info
The recent state of metamessage.Wherein, recall info can be used for recording the metamessage saved in above- mentioned information system.Memory letter
The information such as can be redundant data, disk historical data is ceased, according to different storage medium or storage mode, recall info
It can also be other kinds of information, no longer repeat one by one herein.
In some optional implementations of the present embodiment, in response to above-mentioned second memory block, there is no above-mentioned loss
Metamessage is searched and is restored the member of above-mentioned loss from above-mentioned first memory block by the name information of the metamessage of above-mentioned loss
Information.
If the metamessage of above-mentioned loss is not present in the second memory block, can only be searched from the first memory block.By above-mentioned
Description is it is found that the metamessage in the first memory block saves all metamessages existed in information system.Therefore, executing subject
It can restore the metamessage lost by the metamessage in the first memory block.
Step 502, it is more than or equal to above-mentioned given threshold in response to the data volume of the metamessage of loss, passes through above-mentioned loss
The name information of metamessage searches and restores the metamessage of above-mentioned loss from above-mentioned second memory block.
Metamessage is also possible to large range of loss occur due to disk globality damage etc., the metamessage of loss
Data volume, which is typically larger than, is equal to above-mentioned given threshold.At this point, executing subject can directly pass through the name of the metamessage of above-mentioned loss
The metamessage for claiming information to search and restore above-mentioned loss from above-mentioned second memory block is conducive to improve the effect for restoring metamessage
Rate.
In some optional implementations of the present embodiment, in response to loss metamessage data volume be more than or equal to it is upper
Given threshold is stated, and the metamessage of above-mentioned loss is not stored in above-mentioned first memory block and the second memory block, obtains above-mentioned lose
Corresponding second recall info of the metamessage of mistake, and restore by second recall info metamessage of above-mentioned loss.
For some newest metamessages, the first memory block and the second memory block may also not backed up it.At this point, executing
Main body can directly acquire corresponding second recall info of metamessage of above-mentioned loss, and by second recall info recovery
State the metamessage of loss.In this way, improving the efficiency for restoring metamessage, and then improve the effect for restoring the corresponding information of metamessage
Rate and reliability.
With further reference to Fig. 6, as the realization to method shown in above-mentioned each figure, present disclose provides one kind for backing up letter
One embodiment of the device of breath, the Installation practice is corresponding with embodiment of the method shown in Fig. 2, which can specifically answer
For in various electronic equipments.
As shown in fig. 6, the device 600 for backup information of the present embodiment may include: that metamessage record sheet obtains list
First 601, first metamessage acquisition instruction transmission unit 602 and metamessage backup units 603.Wherein, metamessage record sheet obtains
Unit 601 is configured to be spaced the metamessage record sheet for obtaining information system in period first time, above-mentioned metamessage record sheet note
The name information of the metamessage saved at least one node in information system is recorded；First metamessage acquisition instruction transmission unit
602 nodes for being configured to according to above-mentioned metamessage record sheet at least one above-mentioned node send the acquisition of the first metamessage and refer to
It enables, above-mentioned first metamessage acquisition instruction is used to indicate the metamessage obtained in corresponding node；Metamessage backup units 603 are rung
Ying Yu receives at least one of the above-mentioned first metamessage acquisition instruction of correspondence that the node at least one above-mentioned node is sent
First feedback information is configured to save above-mentioned at least one the first feedback information to the first memory block, wherein the first feedback
Information includes the metamessage of above-mentioned first metamessage acquisition instruction instruction in corresponding node.
In some optional implementations of the present embodiment, above-mentioned first metamessage acquisition instruction transmission unit 602 can
To include: that the first distributed intelligence determines subelement (not shown) and the first metamessage acquisition instruction building subelement (in figure
It is not shown).First distributed intelligence determines that subelement is configured to determine first point of metamessage according to above-mentioned metamessage record sheet
Cloth information, the name information and the node where metamessage that above-mentioned first distributed intelligence includes metamessage；First metamessage obtains
Instruction building subelement is configured to be constructed according to above-mentioned first distributed intelligence for the node at least one above-mentioned node
First metamessage acquisition instruction of the corresponding node.
In some optional implementations of the present embodiment, the device 600 for backup information can also include: first letter
Storage unit (not shown) is ceased, is configured to save metamessage within above-mentioned period first time, above-mentioned metamessage saves
Unit may include: that increment information obtains subelement (not shown), the second distributed intelligence determines that subelement (does not show in figure
Out), the second metamessage acquisition instruction building subelement (not shown) and metamessage saving subunit (not shown).Its
In, increment information obtains subelement and is configured to be spaced the increment information that second time period obtains metamessage, above-mentioned increment letter
Breath is less than above-mentioned week first time for being characterized in the metamessage changed in above-mentioned second time period, above-mentioned second time period
Phase；Second distributed intelligence determines that subelement is configured to determine the second distributed intelligence of metamessage according to above-mentioned increment information, on
State the name information and the node where metamessage that the second distributed intelligence includes the corresponding metamessage of above-mentioned increment information；Second yuan
Acquisition of information instruction building subelement is configured to according to above-mentioned second distribution the node at least one above-mentioned node
Information architecture corresponds to the second metamessage acquisition instruction of the node, and above-mentioned second metamessage acquisition instruction is used to indicate acquisition node
The above corresponding metamessage of above-mentioned increment information；Metamessage saving subunit, in response to receiving at least one above-mentioned node
At least one the second feedback informations of the above-mentioned second metamessage acquisition instruction of the correspondence that node is sent, be configured to by it is above-mentioned at least
One the second feedback information is saved to the second memory block, wherein the second feedback information includes above-mentioned second yuan of letter in corresponding node
Cease the metamessage of acquisition instruction instruction.
In some optional implementations of the present embodiment, above-mentioned metamessage record sheet can also include temporal information,
Above-mentioned temporal information for marking holding time of the metamessage on node, and, above-mentioned increment information obtains subelement can be with
Include: increment information determining module (not shown), is configured to obtain above-mentioned metamessage record sheet, when according to above-mentioned second
Between period corresponding temporal information determine the increment information of the metamessage in above-mentioned metamessage record sheet.
In some optional implementations of the present embodiment, the device 600 for backup information can also include: first letter
Recovery unit (not shown) is ceased, is lost in response to metamessage, is configured to restore metamessage, above-mentioned metamessage recovery unit
It may include: that the first metamessage restores subelement (not shown), be less than setting in response to the data volume of the metamessage of loss
Threshold value, and there is corresponding first recall info of metamessage lost, it is configured to restore above-mentioned by first recall info
Otherwise the metamessage of loss is searched and is restored from above-mentioned second memory block by the name information of the metamessage of above-mentioned loss
The metamessage of above-mentioned loss, wherein recall info is for recording the metamessage saved in above- mentioned information system.
In some optional implementations of the present embodiment, above-mentioned metamessage recovery unit may include: second yuan of letter
Breath restores subelement (not shown), and the metamessage of above-mentioned loss is not present in response to above-mentioned second memory block, is configured to
The metamessage of above-mentioned loss is searched and restored from above-mentioned first memory block by the name information of the metamessage of above-mentioned loss.
In some optional implementations of the present embodiment, above-mentioned metamessage recovery unit may include: third member letter
Breath restores subelement (not shown), is more than or equal to above-mentioned given threshold in response to the data volume of the metamessage of loss, is matched
It is set to the member letter for searching and restoring above-mentioned loss from above-mentioned second memory block by the name information of the metamessage of above-mentioned loss
Breath.
In some optional implementations of the present embodiment, above-mentioned metamessage recovery unit may include: quaternary letter
Breath restore subelement (not shown), in response to loss metamessage data volume be more than or equal to above-mentioned given threshold, and on
The metamessage for stating loss is not stored in above-mentioned first memory block and the second memory block, is configured to obtain the member letter of above-mentioned loss
Corresponding second recall info is ceased, and restores the metamessage of above-mentioned loss by second recall info.
The present embodiment additionally provides a kind of electronic equipment, comprising: one or more processors；Memory is stored thereon with
One or more programs, when said one or multiple programs are executed by said one or multiple processors, so that said one
Or multiple processors execute the above-mentioned method for backup information.
The present embodiment additionally provides a kind of computer-readable medium, is stored thereon with computer program, and the program is processed
Device realizes the above-mentioned method for backup information when executing.
Below with reference to Fig. 7, it illustrates the electronic equipments for being suitable for being used to realize embodiment of the disclosure (for example, in Fig. 1
Primary server 101) computer system 700 structural schematic diagram.Electronic equipment shown in Fig. 7 is only an example, is not answered
Any restrictions are brought to the function and use scope of embodiment of the disclosure.
As shown in fig. 7, electronic equipment 700 may include processing unit (such as central processing unit, graphics processor etc.)
701, random access can be loaded into according to the program being stored in read-only memory (ROM) 702 or from storage device 708
Program in memory (RAM) 703 and execute various movements appropriate and processing.In RAM 703, it is also stored with electronic equipment
Various programs and data needed for 700 operations.Processing unit 701, ROM 702 and RAM703 are connected with each other by bus 704.
Input/output (I/O) interface 705 is also connected to bus 704.
In general, following device can connect to I/O interface 705: including such as touch screen, touch tablet, keyboard, mouse, taking the photograph
As the input unit 706 of head, microphone, accelerometer, gyroscope etc.；Including such as liquid crystal display (LCD), loudspeaker, vibration
The output device 707 of dynamic device etc.；Storage device 708 including such as tape, hard disk etc.；And communication device 709.Communication device
709, which can permit electronic equipment 700, is wirelessly or non-wirelessly communicated with other equipment to exchange data.Although Fig. 7 shows tool
There is the electronic equipment 700 of various devices, it should be understood that being not required for implementing or having all devices shown.It can be with
Alternatively implement or have more or fewer devices.Each box shown in Fig. 7 can represent a device, can also root
According to needing to represent multiple devices.
Particularly, in accordance with an embodiment of the present disclosure, it may be implemented as computer above with reference to the process of flow chart description
Software program.For example, embodiment of the disclosure includes a kind of computer program product comprising be carried on computer-readable medium
On computer program, which includes the program code for method shown in execution flow chart.In such reality
It applies in example, which can be downloaded and installed from network by communication device 709, or from storage device 708
It is mounted, or is mounted from ROM 702.When the computer program is executed by processing unit 701, the implementation of the disclosure is executed
The above-mentioned function of being limited in the method for example.
It is situated between it should be noted that the above-mentioned computer-readable medium of embodiment of the disclosure can be computer-readable signal
Matter or computer readable storage medium either the two any combination.Computer readable storage medium for example can be with
System, device or the device of --- but being not limited to --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, or it is any more than
Combination.The more specific example of computer readable storage medium can include but is not limited to: have one or more conducting wires
Electrical connection, portable computer diskette, hard disk, random access storage device (RAM), read-only memory (ROM), erasable type are programmable
Read-only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic are deposited
Memory device or above-mentioned any appropriate combination.In embodiment of the disclosure, computer readable storage medium, which can be, appoints
What include or the tangible medium of storage program that the program can be commanded execution system, device or device use or and its
It is used in combination.And in embodiment of the disclosure, computer-readable signal media may include in a base band or as carrier wave
The data-signal that a part is propagated, wherein carrying computer-readable program code.The data-signal of this propagation can be adopted
With diversified forms, including but not limited to electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal is situated between
Matter can also be any computer-readable medium other than computer readable storage medium, which can be with
It sends, propagate or transmits for by the use of instruction execution system, device or device or program in connection.Meter
The program code for including on calculation machine readable medium can transmit with any suitable medium, including but not limited to: electric wire, optical cable,
RF (radio frequency) etc. or above-mentioned any appropriate combination.
Above-mentioned computer-readable medium can be included in above-mentioned electronic equipment；It is also possible to individualism, and not
It is fitted into the electronic equipment.Above-mentioned computer-readable medium carries one or more program, when said one or more
When a program is executed by the electronic equipment, so that the electronic equipment: interval period first time obtains the metamessage of information system
Record sheet, above-mentioned metamessage record sheet have recorded the name information of the metamessage saved at least one node in information system；
The first metamessage acquisition instruction is sent according to node of the above-mentioned metamessage record sheet at least one above-mentioned node, above-mentioned first
Metamessage acquisition instruction is used to indicate the metamessage obtained in corresponding node；In response to receiving at least one above-mentioned node
At least one the first feedback informations of the above-mentioned first metamessage acquisition instruction of the correspondence that node is sent, by above-mentioned at least one the first
Feedback information is saved to the first memory block, wherein the first feedback information include in corresponding node the acquisition of above-mentioned first metamessage refer to
Enable the metamessage of instruction.
The behaviour for executing embodiment of the disclosure can be write with one or more programming languages or combinations thereof
The computer program code of work, above procedure design language include object oriented program language-such as Java,
Smalltalk, C++ further include conventional procedural programming language-such as " C " language or similar program design language
Speech.Program code can be executed fully on the user computer, partly be executed on the user computer, as an independence
Software package execute, part on the user computer part execute on the remote computer or completely in remote computer or
It is executed on server.In situations involving remote computers, remote computer can pass through the network of any kind --- packet
It includes local area network (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as benefit
It is connected with ISP by internet).
Flow chart and block diagram in attached drawing illustrate system, method and the computer of the various embodiments according to the disclosure
The architecture, function and operation in the cards of program product.In this regard, each box in flowchart or block diagram can be with
A part of a module, program segment or code is represented, a part of the module, program segment or code includes one or more
Executable instruction for implementing the specified logical function.It should also be noted that in some implementations as replacements, institute in box
The function of mark can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are practical
On can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it wants
It is noted that the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart, Ke Yiyong
The dedicated hardware based system of defined functions or operations is executed to realize, or can be referred to specialized hardware and computer
The combination of order is realized.
Being described in unit involved in embodiment of the disclosure can be realized by way of software, can also be passed through
The mode of hardware is realized.Described unit also can be set in the processor, for example, can be described as: a kind of processor
Including metamessage record sheet acquiring unit, the first metamessage acquisition instruction transmission unit and metamessage backup units.Wherein, these
The title of unit does not constitute the restriction to the unit itself under certain conditions, for example, metamessage backup units can also quilt
It is described as " for backing up the unit of metamessage ".
Above description is only the preferred embodiment of the disclosure and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the disclosure, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed in the disclosure
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (18)
1. a kind of method for backup information, comprising:
It is spaced the metamessage record sheet of period first time acquisition information system, the metamessage record sheet has recorded information system
The name information of the metamessage saved at least one interior node；
The first metamessage acquisition instruction is sent according to node of the metamessage record sheet at least one described node, it is described
First metamessage acquisition instruction is used to indicate the metamessage obtained in corresponding node；
In response to receiving correspondence the first metamessage acquisition instruction that the node at least one described node is sent extremely
Few first feedback information saves at least one the first feedback information to the first memory block, wherein the first feedback letter
Breath includes the metamessage of the first metamessage acquisition instruction instruction in corresponding node.
2. according to the method described in claim 1, wherein, it is described according to the metamessage record sheet at least one described node
In node send the first metamessage acquisition instruction, comprising:
The first distributed intelligence of metamessage is determined according to the metamessage record sheet, first distributed intelligence includes metamessage
Node where name information and metamessage；
For the node at least one described node, first yuan of letter of the corresponding node is constructed according to first distributed intelligence
Cease acquisition instruction.
3. according to the method described in claim 1, wherein, the method also includes: member is saved within period first time
It is the step of information, described to include: the step of preservation metamessage within period first time
It is spaced the increment information that second time period obtains metamessage, the increment information is for being characterized in the week the second time
The metamessage changed in phase, the second time period are less than period first time；
Determine that the second distributed intelligence of metamessage, second distributed intelligence include the increment information according to the increment information
The name information of corresponding metamessage and the node where metamessage；
For the node at least one described node, second yuan of letter of the corresponding node is constructed according to second distributed intelligence
Acquisition instruction is ceased, the second metamessage acquisition instruction, which is used to indicate, obtains the corresponding metamessage of the increment information on node；
In response to receiving correspondence the second metamessage acquisition instruction that the node at least one described node is sent extremely
Few second feedback information saves at least one the second feedback information to the second memory block, wherein the second feedback letter
Breath includes the metamessage of the second metamessage acquisition instruction instruction in corresponding node.
4. the time believes according to the method described in claim 3, wherein, the metamessage record sheet further includes temporal information
Breath for marking holding time of the metamessage on node, and
The interval second time period obtains the increment information of metamessage, comprising:
The metamessage record sheet is obtained, determines that the metamessage records according to the corresponding temporal information of the second time period
The increment information of metamessage in table.
5. according to the method described in claim 3, wherein, the method also includes: it is lost in response to metamessage, restores metamessage
The step of, it is described in response to metamessage lose, restore metamessage the step of, comprising:
It is less than given threshold in response to the data volume of the metamessage of loss, and there is the corresponding first memory letter of the metamessage lost
Breath, then restore the metamessage of the loss by first recall info, otherwise, is believed by the title of the metamessage of the loss
Breath searches and restores the metamessage of the loss from second memory block, wherein recall info is for recording the information
The metamessage saved in system.
6. described to be lost in response to metamessage according to the method described in claim 5, wherein, the step of restoring metamessage, packet
It includes:
The metamessage of the loss is not present in response to second memory block, passes through the name information of the metamessage of the loss
The metamessage of the loss is searched and restored from first memory block.
7. described to be lost in response to metamessage according to the method described in claim 5, wherein, the step of restoring metamessage, packet
It includes:
It is more than or equal to the given threshold in response to the data volume of the metamessage of loss, passes through the title of the metamessage of the loss
Information searches and restores the metamessage of the loss from second memory block.
8. described to be lost in response to metamessage according to the method described in claim 7, wherein, the step of restoring metamessage, packet
It includes:
It is more than or equal to the given threshold in response to the data volume of the metamessage of loss, and the metamessage of the loss does not save
In first memory block and the second memory block, corresponding second recall info of metamessage of the loss is obtained, and by being somebody's turn to do
Second recall info restores the metamessage of the loss.
9. a kind of device for backup information, comprising:
Metamessage record sheet acquiring unit is configured to be spaced the metamessage record sheet of period first time acquisition information system,
The metamessage record sheet has recorded the name information of the metamessage saved at least one node in information system；
First metamessage acquisition instruction transmission unit is configured to according to the metamessage record sheet at least one described node
In node send the first metamessage acquisition instruction, the first metamessage acquisition instruction be used to indicate obtain corresponding node on
Metamessage；
Metamessage backup units, in response to receiving correspondence first yuan of letter that the node at least one described node is sent
At least one the first feedback informations for ceasing acquisition instruction are configured to save at least one the first feedback information to first
Memory block, wherein the first feedback information includes the metamessage of the first metamessage acquisition instruction instruction in corresponding node.
10. device according to claim 9, wherein the first metamessage acquisition instruction transmission unit includes:
First distributed intelligence determines subelement, is configured to determine the first distribution letter of metamessage according to the metamessage record sheet
Breath, the name information and the node where metamessage that first distributed intelligence includes metamessage；
First metamessage acquisition instruction building subelement is configured to according to institute the node at least one described node
State the first metamessage acquisition instruction that the first distributed intelligence constructs the corresponding node.
11. device according to claim 9, wherein described device further include: metamessage storage unit is configured to
Metamessage is saved in period first time, the metamessage storage unit includes:
Increment information obtains subelement, is configured to be spaced the increment information that second time period obtains metamessage, the increment
Information is used to be characterized in the metamessage changed in the second time period, and the second time period is less than the first time
Period；
Second distributed intelligence determines subelement, is configured to determine the second distributed intelligence of metamessage according to the increment information,
The name information and the node where metamessage that second distributed intelligence includes the corresponding metamessage of the increment information；
Second metamessage acquisition instruction building subelement is configured to according to institute the node at least one described node
The second metamessage acquisition instruction that the second distributed intelligence constructs the corresponding node is stated, the second metamessage acquisition instruction is for referring to
Show and obtains the corresponding metamessage of the increment information on node；
Metamessage saving subunit, described second yuan of correspondence sent in response to receiving the node at least one described node
At least one the second feedback informations of acquisition of information instruction are configured to save at least one the second feedback information to the
Two memory blocks, wherein the second feedback information includes the metamessage of the second metamessage acquisition instruction instruction in corresponding node.
12. device according to claim 11, wherein the metamessage record sheet further includes temporal information, the time
Information is used to mark holding time of the metamessage on node, and
The increment information obtains subelement
Increment information determining module is configured to obtain the metamessage record sheet, corresponding according to the second time period
Temporal information determines the increment information of the metamessage in the metamessage record sheet.
13. device according to claim 11, wherein described device further include: metamessage recovery unit is believed in response to member
Breath is lost, and is configured to restore metamessage, the metamessage recovery unit includes:
First metamessage restores subelement, is less than given threshold in response to the data volume of the metamessage of loss, and there is loss
Corresponding first recall info of metamessage is configured to restore by first recall info metamessage of the loss, otherwise,
The metamessage of the loss is searched and restored from second memory block by the name information of the metamessage of the loss,
In, recall info is for recording the metamessage saved in the information system.
14. device according to claim 13, wherein the metamessage recovery unit includes:
Second metamessage restores subelement, and the metamessage of the loss is not present in response to second memory block, is configured to
The metamessage of the loss is searched and restored from first memory block by the name information of the metamessage of the loss.
15. device according to claim 13, wherein the metamessage recovery unit includes:
Third metamessage restores subelement, is more than or equal to the given threshold in response to the data volume of the metamessage of loss, is matched
It is set to the member letter for searching and restoring the loss from second memory block by the name information of the metamessage of the loss
Breath.
16. device according to claim 15, wherein the metamessage recovery unit includes:
Quaternary Information recovering subelement is more than or equal to the given threshold, and institute in response to the data volume of the metamessage of loss
The metamessage for stating loss is not stored in first memory block and the second memory block, is configured to obtain the member letter of the loss
Corresponding second recall info is ceased, and restores the metamessage of the loss by second recall info.
17. a kind of electronic equipment, comprising:
One or more processors；
Memory is stored thereon with one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors
Perform claim requires any method in 1 to 8.
18. a kind of computer-readable medium, is stored thereon with computer program, which is characterized in that the program is executed by processor
Method of the Shi Shixian as described in any in claim 1 to 8.
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| JP2019198081A JP6906585B2 (en) | 2019-01-30 | 2019-10-31 | Methods and equipment for backing up information |
| KR1020190141696A KR102207727B1 (en) | 2019-01-30 | 2019-11-07 | Method and apparatus for backing up information |
| SG10201910411SA SG10201910411SA (en) | 2019-01-30 | 2019-11-07 | Method and apparatus for backing up information |
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| CN201910093950.6A CN109815060A (en) | 2019-01-30 | 2019-01-30 | Method and device for backup information |
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| CN109815060A true CN109815060A (en) | 2019-05-28 |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20200094619A (en) | 2020-08-07 |
| JP6906585B2 (en) | 2021-07-21 |
| JP2020123314A (en) | 2020-08-13 |
| KR102207727B1 (en) | 2021-01-25 |
| SG10201910411SA (en) | 2020-08-28 |
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