CN105554135B - The method and device of synchronous metamessage between back end - Google Patents
The method and device of synchronous metamessage between back end Download PDFInfo
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- CN105554135B CN105554135B CN201510981820.8A CN201510981820A CN105554135B CN 105554135 B CN105554135 B CN 105554135B CN 201510981820 A CN201510981820 A CN 201510981820A CN 105554135 B CN105554135 B CN 105554135B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The invention discloses a kind of method and devices of metamessage synchronous between back end, applied to the data-storage system including multiple back end.The described method includes: for each back end: configuring and establish target data node of the network connection for the metamessage of the synchronous back end with the back end, wherein by there is network connectivty with all back end postponed；Whether the metamessage for detecting the back end updates, if so, the metamessage of source data node is synchronized to target data node using the back end as source data node, to update the metamessage of target data node.Above scheme overcome the prior art need to synchronize metamessage between all back end and caused by data transmission times it is more, network overhead is big, the defect that consuming time is long, reduces network overhead, advantageously control transmission time, improves synchronous efficiency.
Description
Technical field
The present invention relates to field of computer technology, and in particular to the method and dress of synchronous metamessage between a kind of back end
It sets.
Background technique
Data dispersion is exactly stored in more independent equipment by distributed data-storage system, for many data
The group system of node, in distributed data-storage system, each back end requires to safeguard respective metamessage, and
The metamessage of all back end requires to be consistent.
In prior art, each back end establishes net with other back end in distributed data-storage system
Network connection, for example, distributed data-storage system has 5 back end, is numbered are as follows: 1,2,3,4,5 respectively, that is to say, that number
Need to establish network connection respectively with back end 2,3,4,5 according to node 1, back end 2 needs and 1,3,4,5 point of back end
Connection is not established, similarly for back end 3,4,5, after the metamessage of any data node updates, by having been established
Network connection metamessage after update is transferred to other back end, that is to say, that when back end 1 metamessage occur more
After new, by the network connection established with back end 2,3,4,5 by updated metamessage be transferred to back end 2,3,
4,5, but back end 2 and back end 3,4,5 equally also will do it the transmission of metamessage, and meaningless metamessage is caused to pass
Out, additional network overhead is caused, additional network overhead similarly will cause for back end 3,4,5, and due to same
When to every other back end transmit updated metamessage, cause the transmission rate of metamessage low, take a substantial amount of time.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
State the method for synchronous metamessage and the device of synchronous metamessage between corresponding back end between the back end of problem.
According to an aspect of the invention, there is provided between a kind of back end synchronous metamessage method, applied to including
The data-storage system of multiple back end, this method comprises:
For each back end:
It configures and establishes target data node of the network connection for the metamessage of the synchronous back end with the back end,
Wherein, by there is network connectivty with all back end postponed；
Whether the metamessage for detecting the back end updates, if so, using the back end as source data node,
The metamessage of source data node is synchronized to target data node, to update the metamessage of target data node.
According to another aspect of the present invention, a kind of device of synchronous metamessage between back end is provided, applied to including
The data-storage system of multiple back end, the device include: configuration module, detection module and synchronization module；
Wherein, for each back end:
Configuration module is connected to the network the metamessage for the synchronous back end suitable for configuring to establish with the back end
Target data node, wherein by there is network connectivty with all back end postponed；
Whether detection module, the metamessage for being adapted to detect for the back end update；
Synchronization module, in the case where suitable for detecting that the metamessage of back end is updated in detection module, with the number
According to node as source data node, the metamessage of source data node is synchronized to target data node, to update target data section
The metamessage of point.
Scheme is provided according to the present invention, configures and establishes member of the network connection for the synchronous back end with the back end
The target data node of information, wherein by there is network connectivty with all back end postponed, detect the back end
Metamessage whether update, it is if so, using the back end as source data node, the metamessage of source data node is same
It walks and gives target data node, to update the metamessage of target data node, overcome in prior art, need all numbers
According to metamessage will be synchronized between node and caused by data transmission times it is more, network overhead is big, the defect that consuming time is long, especially
It is to reduce because of back end all more meta informations, but still need to transmit metamessage between two back end and cause
Data transmission times, reduce network overhead, advantageously control transmission time, improve synchronous efficiency.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
The process that Fig. 1 shows the method for synchronizing metamessage between back end according to an embodiment of the invention is illustrated
Figure；
Fig. 2 shows the process signals of the method for metamessage synchronous between back end in accordance with another embodiment of the present invention
Figure；
The process that Fig. 3 shows the method for synchronizing metamessage between back end in accordance with another embodiment of the present invention is illustrated
Figure；
Fig. 4 shows the functional block diagram of the device of synchronous metamessage between back end according to an embodiment of the invention；
Fig. 5 shows the functional block of the device of synchronous metamessage between back end in accordance with another embodiment of the present invention
Figure.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
The process that Fig. 1 shows the method for synchronizing metamessage between back end according to an embodiment of the invention is illustrated
Figure.This method is applied to the data-storage system including multiple back end, as shown in Figure 1, method includes the following steps:
For each back end:
Step S100 is configured and is established target of the network connection for the metamessage of the synchronous back end with the back end
Back end, wherein by there is network connectivty with all back end postponed.
Wherein, metamessage is the data for describing data, mainly describes the information of data attribute, for supporting instruction such as to deposit
The functions such as storage space sets, historical data, resource lookup, file record.Each back end, which requires maintenance, respective metamessage.
In data-storage system, when the metamessage of any data node updates, need the back end
Metamessage is synchronized to other back end, so that the metamessage of back end is consistent.
In embodiments of the present invention, between back end by Network Synchronization metamessage, target data node be relative to
For the back end that metamessage updates, member letter of the target data node for the synchronous back end updated
Breath configures for each back end and is connected to the network the metamessage for the synchronous back end with back end foundation
Target data node, wherein by having network connectivty with all back end postponed, network connectivity here is specific
It is presented as that updated metamessage can be synchronized to every other data after the metamessage of any data node updates
Node.
Whether step S101, the metamessage for detecting the back end update, if so, using the back end as source
The metamessage of source data node is synchronized to target data node by back end, to update the metamessage of target data node.
Wherein, the update of metamessage, which can be, increases metamessage, modification metamessage or deletes metamessage etc., in the present invention
In embodiment, whether the metamessage by detecting the back end updates, and can determine whether metamessage is synchronous
To the target data node of the back end, in the case where detecting that the metamessage of the back end updates, with the number
According to node as source data node, the metamessage of source data node is synchronized to target data node, target data node is to it
Metamessage is updated；In the case where detecting that the metamessage of the back end does not update, without executing any operation.
The method provided according to that above embodiment of the present invention, configuration establish network connection with the back end and are used for synchronous be somebody's turn to do
The target data node of the metamessage of back end, wherein by there is network connectivty, inspection with all back end postponed
Whether the metamessage for surveying the back end updates, if so, using the back end as source data node, by source data section
The metamessage of point is synchronized to target data node, to update the metamessage of target data node, overcomes in prior art,
Need to synchronize metamessage between all back end and caused by data transmission times it is more, network overhead is big, when consuming
Between long defect especially reduce because of back end all more meta informations, but still need to transmit between two back end
Data transmission times caused by metamessage reduce network overhead, advantageously control transmission time, improve synchronous efficiency.
Fig. 2 shows the process signals of the method for metamessage synchronous between back end in accordance with another embodiment of the present invention
Figure.This method is applied to the data-storage system including multiple back end, as shown in Fig. 2, method includes the following steps:
For each back end:
Step S200 is configured and is established target of the network connection for the metamessage of the synchronous back end with the back end
Back end, wherein by there is network connectivty with all back end postponed.
In embodiments of the present invention, between back end by Network Synchronization metamessage, target data node be relative to
For the back end that metamessage updates, member letter of the target data node for the synchronous back end updated
Breath, and target data node is a part of other all back end in data-storage system in addition to source data node.
For each back end, configures and establish target of the network connection for the metamessage of the synchronous back end with the back end
Back end, wherein by having network connectivty with all back end postponed, network connectivity here is embodied
For after the metamessage of any data node updates, updated metamessage can be synchronized to every other data section
Point.
For example, data-storage system includes 5 back end, number is 1,2,3,4,5 respectively, configuration data node
1 target data node is 3,5, and the target data node of configuration data node 3 is 2,4, after being configured by this, 5 numbers
There is network connectivty according to node, that is to say, that, can be synchronous by metamessage after the metamessage of back end 1 updates
To back end 3 and back end 5, after the more meta information of back end 3, and 2 sum number of back end can be synchronized to metamessage
According to node 4, to realize that the metamessage of all back end is consistent.Certainly, those skilled in the art can arbitrarily configure each
The target data node of back end, is merely illustrative here, does not have any restriction effect.
Step S201, whether the metamessage for detecting the back end updates, if so, thening follow the steps S202；If it is not,
Then method terminates.
Wherein, the update of metamessage, which can be, increases metamessage, modification metamessage or deletes metamessage etc., in the present invention
In embodiment, whether the metamessage by detecting the back end updates, and can determine whether metamessage is synchronous
To the target data node of the back end.
Step S202 passes through the network established between target data node using the back end as source data node
Connection, metamessage is pushed to target data node by source data node, to update the metamessage of target data node.
In the case where detecting that the metamessage of the back end is updated according to step S201, with back end work
For source data node, which is actively pushed away metamessage by the network connection established between target data node
It send to target data node, to update the metamessage of target data node.
Specifically, metamessage is pushed to target data node, such as source data by source data node every preset time period
Metamessage can be pushed to target data node every 10 seconds by node, which can be set according to actual needs
It sets, is merely illustrative here, do not have any restriction effect.
Step S203, judge target data node metamessage and the received metamessage from source data node whether one
It causes, if inconsistent, thens follow the steps S204；If consistent, method terminates.
It, can be by by target data node after target data node receives the synchronous metamessage of source data node
The mode that is compared with the received metamessage from source data node of metamessage determine the member letter of target data node
Whether breath is consistent with the received metamessage from source data node, to determine the need for the metamessage to target data node
It is updated.
The metamessage of destination node is updated to received metamessage by step S204.
Believe in the metamessage and the received member from source data node for judging target data node according to step S203
Cease it is inconsistent in the case where, need the metamessage of destination node being updated to received metamessage, thus between realizing back end
Metamessage is consistent.
The method provided according to that above embodiment of the present invention, configuration establish network connection with the back end and are used for synchronous be somebody's turn to do
The target data node of the metamessage of back end, wherein by there is network connectivty, inspection with all back end postponed
Whether the metamessage for surveying the back end updates, if so, using the back end as source data node, by with target
Metamessage is pushed to target data node by the network connection established between back end, source data node, to update number of targets
It according to the metamessage of node, overcomes in prior art, needs to synchronize metamessage between all back end and make
At data transmission times it is more, network overhead is big, the defect that consuming time is long, especially, reduces because of back end all more
Meta information, but data transmission times caused by the transmission metamessage between two back end are still needed to, dynamically control
Metamessage transmission rate reduces network overhead, advantageously control transmission time, improves synchronous efficiency, judges target data
Whether the metamessage of node and the received metamessage from source data node are consistent, if inconsistent, the member of destination node is believed
Breath is updated to received metamessage, can be to avoid meaningless more meta information.
The process that Fig. 3 shows the method for synchronizing metamessage between back end in accordance with another embodiment of the present invention is illustrated
Figure.This method is applied to the data-storage system including multiple back end, as shown in figure 3, method includes the following steps:
For each back end:
Step S300 is configured and is established target of the network connection for the metamessage of the synchronous back end with the back end
Back end, wherein by there is network connectivty with all back end postponed.
Step S301, whether the metamessage for detecting the back end updates, if so, thening follow the steps S202；If it is not,
Then method terminates.
Step S200- step S201 in embodiment illustrated in fig. 3 in step S300- step S301 and embodiment illustrated in fig. 2
Similar, details are not described herein.
Step S302 is connected using the back end as source data node by the network established between source data node
It connects, target data node pulls metamessage from source data node, to update the metamessage of target data node.
In step S300, it has been configured with and has established member of the network connection for the synchronous back end with the back end
The target data node of information, after the metamessage for detecting the back end updates, target data node can pass through
The network connection established between source data node actively pulls metamessage from source data node.
More specifically, can be with the following method: target data node be updated according to the metamessage that source data node is sent
Message pulls metamessage from source data node.That is, source data node can after the metamessage of source data node updates
To send metamessage update message to target data node, target data node is after receiving the update message, from source data
Node pulls metamessage.
Alternatively, target data node every preset time period pulls metamessage from source data node.Such as target data section
Point can pull metamessage from source data node every 10 seconds, which can be configured according to actual needs, this
In be merely illustrative, do not have any restriction effect.
Step S303 judges whether the metamessage of target data node is consistent with the metamessage pulled, if inconsistent, holds
Row step S304；If consistent, method terminates.
Target can be determined by way of being compared the metamessage of target data node with the metamessage pulled
Whether the metamessage of back end and the metamessage pulled consistent, with determine the need for the metamessage of target data node into
Row updates.
The metamessage of target data node is updated to the metamessage pulled by step S304.
In the case where the metamessage and the metamessage pulled for judging target data node according to step S303 are inconsistent,
It needs the metamessage of destination node being updated to the metamessage pulled, to realize that metamessage is consistent between back end.
The method provided according to that above embodiment of the present invention, configuration establish network connection with the back end and are used for synchronous be somebody's turn to do
The target data node of the metamessage of back end, wherein by there is network connectivty, inspection with all back end postponed
Whether the metamessage for surveying the back end updates, if so, using the back end as source data node, by with source number
According to the network connection established between node, target data node pulls metamessage from source data node, to update target data section
The metamessage of point, overcomes in prior art, need to synchronize metamessage between all back end and caused by
Data transmission times are more, and network overhead is big, the defect that consuming time is long, especially, reduce because of back end all more Singapore dollars
Information, but data transmission times caused by the transmission metamessage between two back end are still needed to, dynamically control first letter
Transmission rate is ceased, network overhead is reduced, advantageously control transmission time, synchronous efficiency is improved, judges target data node
Metamessage it is whether consistent with the metamessage that pulls, if inconsistent, the metamessage of destination node is updated to the metamessage pulled,
It can be to avoid meaningless more meta information.
Fig. 4 shows the functional block diagram of the device of synchronous metamessage between back end according to an embodiment of the invention.
The device be applied to including multiple back end data-storage system, as shown in figure 4, the device include: configuration module 400,
Detection module 410 and synchronization module 420.
Wherein, for each back end:
Configuration module 400, suitable for configuring the member letter for establishing network connection for the synchronous back end with the back end
The target data node of breath, wherein by there is network connectivty with all back end postponed.
Whether detection module 410, the metamessage for being adapted to detect for the back end update.
Synchronization module 420, in the case where suitable for detecting that the metamessage of back end is updated in detection module, with this
Back end is synchronized to target data node as source data node, by the metamessage of source data node, to update target data
The metamessage of node.
The device provided according to that above embodiment of the present invention, configuration establish network connection with the back end and are used for synchronous be somebody's turn to do
The target data node of the metamessage of back end, wherein by there is network connectivty, inspection with all back end postponed
Whether the metamessage for surveying the back end updates, if so, using the back end as source data node, by source data section
The metamessage of point is synchronized to target data node, to update the metamessage of target data node, overcomes in prior art,
Need to synchronize metamessage between all back end and caused by data transmission times it is more, network overhead is big, when consuming
Between long defect especially reduce because of back end all more meta informations, but still need to transmit between two back end
Data transmission times caused by metamessage reduce network overhead, advantageously control transmission time, improve synchronous efficiency.
Fig. 5 shows the functional block of the device of synchronous metamessage between back end in accordance with another embodiment of the present invention
Figure.The device is applied to the data-storage system including multiple back end, as shown in figure 5, the device includes: configuration module
500, detection module 510 and synchronization module 520.
Wherein, for each back end:
Configuration module 500, suitable for configuring the member letter for establishing network connection for the synchronous back end with the back end
The target data node of breath, wherein by there is network connectivty with all back end postponed.
Whether detection module 510, the metamessage for being adapted to detect for the back end update.
Synchronization module 520, in the case where suitable for detecting that the metamessage of back end is updated in detection module, with this
Back end is synchronized to target data node as source data node, by the metamessage of source data node, to update target data
The metamessage of node.
Optionally, synchronization module 520 is further adapted for: by the network connection established between target data node, being supplied
Metamessage is pushed to target data node by source data node, to update the metamessage of target data node.
Optionally, device further include: judgment module 530 and update module 540.
In one embodiment of the present invention:
Judgment module 530, metamessage and the received member from source data node suitable for judging target data node are believed
It whether consistent ceases.
Update module 540, suitable for judging that the metamessage of target data node comes from source number with received in judgment module
According to the metamessage of node it is inconsistent in the case where, the metamessage of destination node is updated to received metamessage.
Optionally, synchronization module 520 is further adapted for: supply source back end every preset time period pushes to metamessage
Target data node.
Optionally, synchronization module 520 is further adapted for: by the network connection established between source data node, for mesh
It marks back end and pulls metamessage from source data node, to update the metamessage of target data node.
In another embodiment of the present invention:
Whether judgment module 530, the metamessage and the metamessage pulled suitable for judging target data node are consistent.
Update module 540, suitable for judge in judgment module target data node metamessage and the metamessage pulled not
Under unanimous circumstances, the metamessage of target data node is updated to the metamessage pulled.
Optionally, synchronization module 520 is further adapted for: the metamessage sent for target data node according to source data node
Update message pulls metamessage from source data node.
Optionally, synchronization module 520 is further adapted for: for target data node every preset time period from source data node
Pull metamessage.
Optionally, target data node is other all back end in data-storage system in addition to source data node
A part.
The device provided according to that above embodiment of the present invention, configuration establish network connection with the back end and are used for synchronous be somebody's turn to do
The target data node of the metamessage of back end, wherein by there is network connectivty, inspection with all back end postponed
Whether the metamessage for surveying the back end updates, if so, using the back end as source data node, by source data section
The metamessage of point is synchronized to target data node, to update the metamessage of target data node, overcomes in prior art,
Need to synchronize metamessage between all back end and caused by data transmission times it is more, network overhead is big, when consuming
Between long defect especially reduce because of back end all more meta informations, but still need to transmit between two back end
Data transmission times caused by metamessage dynamically control metamessage transmission rate, reduce network overhead, advantageously control
Transmission time processed, improves synchronous efficiency, judge target data node metamessage and source data node metamessage whether one
It causes, if inconsistent, the metamessage of destination node is updated to received metamessage, it can be to avoid meaningless more meta information.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) realize synchronous metamessage between back end according to an embodiment of the present invention
The some or all functions of some or all components in equipment.The present invention is also implemented as being retouched here for executing
The some or all device or device programs (for example, computer program and computer program product) for the method stated.
It is such to realize that program of the invention can store on a computer-readable medium, or can have one or more signal
Form.Such signal can be downloaded from an internet website to obtain, be perhaps provided on the carrier signal or with it is any its
He provides form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
The invention discloses: a kind of method of synchronous metamessage between A1, back end is applied to include multiple back end
Data-storage system, which comprises
For each back end:
It configures and establishes target data node of the network connection for the metamessage of the synchronous back end with the back end,
Wherein, by there is network connectivty with all back end postponed；
Whether the metamessage for detecting the back end updates, if so, using the back end as source data node,
The metamessage of the source data node is synchronized to the target data node, to update the member letter of the target data node
Breath.
A2, method according to a1, wherein the metamessage by source data node is synchronized to the target data section
It puts and further includes:
By the network connection established between the target data node, the source data node pushes to metamessage
The target data node, to update the metamessage of the target data node.
A3, the method according to A2, wherein metamessage is pushed into the target data section in the source data node
After point, the method also includes:
Judge the target data node metamessage and the received metamessage from the source data node whether one
It causes, if inconsistent, the metamessage of the destination node is updated to received metamessage.
A4, the method according to A2 or A3, wherein metamessage is pushed to the target data by the source data node
Node further comprises:
Metamessage is pushed to the target data node by the source data node every preset time period.
A5, method according to a1, wherein the metamessage by source data node is synchronized to the target data section
It puts and further includes:
By the network connection established between the source data node, the target data node is from the source data section
Point pulls metamessage, to update the metamessage of the target data node.
A6, method according to a5, wherein pull metamessage from the source data node in the target data node
Later, the method also includes:
Judge whether the metamessage of the target data node and the metamessage pulled are consistent, it, will be described if inconsistent
The metamessage of target data node is updated to the metamessage pulled.
A7, the method according to A5 or A6, wherein the target data node pulls first letter from the source data node
Breath further comprises:
The metamessage update message that the target data node is sent according to the source data node is from the source data section
Point pulls metamessage.
A8, the method according to A5 or A6, wherein the target data node pulls first letter from the source data node
Breath further comprises:
The target data node every preset time period pulls metamessage from the source data node.
A9, the method according to any one of A1-A8, wherein the target data node is data storage system
A part of other all back end in system in addition to the source data node.
The invention also discloses: the device of synchronous metamessage between B10, a kind of back end is applied to include multiple data
The data-storage system of node, described device include: configuration module, detection module and synchronization module；
Wherein, for each back end:
The configuration module, suitable for configuring the member letter for establishing network connection for the synchronous back end with the back end
The target data node of breath, wherein by there is network connectivty with all back end postponed；
Whether the detection module, the metamessage for being adapted to detect for the back end update；
The synchronization module, suitable for detecting that more news occurs for the metamessage of back end in the detection module
Under, using the back end as source data node, the metamessage of the source data node is synchronized to the target data node,
To update the metamessage of the target data node.
B11, device according to b10, wherein the synchronization module is further adapted for: by with the target data
Metamessage is pushed to the target data node for the source data node by the network connection established between node, to update
The metamessage of the target data node.
B12, the device according to B11, wherein described device further include: judgment module is suitable for judging the number of targets
It is whether consistent according to the metamessage and the received metamessage from the source data node of node；
Update module, suitable for judging that the metamessage of the target data node comes from received in the judgment module
In the case that the metamessage of the source data node is inconsistent, the metamessage of the destination node is updated to received member and is believed
Breath.
B13, the device according to B11 or B12, wherein the synchronization module is further adapted for: the source data section is supplied
Metamessage is pushed to the target data node by point every preset time period.
B14, device according to b10, wherein the synchronization module is further adapted for: by with the source data section
The network connection established between point, pulls metamessage from the source data node for the target data node, described in updating
The metamessage of target data node.
B15, device according to b14, wherein described device further include:
Whether judgment module, the metamessage and the metamessage pulled suitable for judging the target data node are consistent；
Update module, suitable for judging that the metamessage of the target data node is believed with the member pulled in the judgment module
Cease it is inconsistent in the case where, the metamessage of the target data node is updated to the metamessage pulled.
B16, the device according to B14 or B15, wherein the synchronization module is further adapted for: the target data is supplied
The metamessage update message that node is sent according to the source data node pulls metamessage from the source data node.
B17, the device according to B14 or B15, wherein the synchronization module is further adapted for: the target data is supplied
Node every preset time period pulls metamessage from the source data node.
B18, the device according to any one of B10-B17, wherein the target data node is data storage
A part of other all back end in system in addition to the source data node.
Claims (16)
1. a kind of method of synchronous metamessage between back end, applied to the data-storage system including multiple back end, institute
The method of stating includes:
For each back end:
It configures and establishes target data node of the network connection for the metamessage of the synchronous back end with the back end,
In, by there is network connectivty with all back end postponed；
Whether the metamessage for detecting the back end updates, if so, using the back end as source data node, by institute
The metamessage for stating source data node is synchronized to the target data node, to update the metamessage of the target data node；
Wherein, the target data node is other all numbers in the data-storage system in addition to the source data node
According to a part of node.
2. according to the method described in claim 1, wherein, the metamessage by source data node is synchronized to the target data
Node further comprises:
By the network connection established between the target data node, the source data node pushes to metamessage described
Target data node, to update the metamessage of the target data node.
3. according to the method described in claim 2, wherein, metamessage is pushed to the target data in the source data node
After node, the method also includes:
Judge the metamessage of the target data node with it is received whether consistent from the metamessage of the source data node, if
It is inconsistent, then the metamessage of the destination node is updated to received metamessage.
4. according to the method in claim 2 or 3, wherein metamessage is pushed to the number of targets by the source data node
Further comprise according to node:
Metamessage is pushed to the target data node by the source data node every preset time period.
5. according to the method described in claim 1, wherein, the metamessage by source data node is synchronized to the target data
Node further comprises:
By the network connection established between the source data node, the target data node is drawn from the source data node
Metamessage is taken, to update the metamessage of the target data node.
6. according to the method described in claim 5, wherein, pulling first letter from the source data node in the target data node
After breath, the method also includes:
Judge whether the metamessage of the target data node and the metamessage pulled are consistent, if inconsistent, by the target
The metamessage of back end is updated to the metamessage pulled.
7. method according to claim 5 or 6, wherein the target data node pulls member from the source data node
Information further comprises:
The target data node is drawn according to the metamessage update message that the source data node is sent from the source data node
Take metamessage.
8. method according to claim 5 or 6, wherein the target data node pulls member from the source data node
Information further comprises:
The target data node every preset time period pulls metamessage from the source data node.
9. the device of synchronous metamessage between a kind of back end, applied to the data-storage system including multiple back end, institute
Stating device includes: configuration module, detection module and synchronization module；
Wherein, for each back end:
The configuration module is connected to the network the metamessage for the synchronous back end suitable for configuring to establish with the back end
Target data node, wherein by there is network connectivty with all back end postponed；
Whether the detection module, the metamessage for being adapted to detect for the back end update；
The synchronization module, in the case where suitable for detecting that the metamessage of back end is updated in the detection module, with
The back end is synchronized to the target data node as source data node, by the metamessage of the source data node, with more
The metamessage of the new target data node；
Wherein, the target data node is other all numbers in the data-storage system in addition to the source data node
According to a part of node.
10. device according to claim 9, wherein the synchronization module is further adapted for: by with the target data
Metamessage is pushed to the target data node for the source data node by the network connection established between node, to update
The metamessage of the target data node.
11. device according to claim 10, wherein described device further include: judgment module is suitable for judging the target
Whether the metamessage of back end and the received metamessage from the source data node are consistent；
Update module, suitable for judging the metamessage of the target data node and received from described in the judgment module
In the case that the metamessage of source data node is inconsistent, the metamessage of the destination node is updated to received metamessage.
12. device described in 0 or 11 according to claim 1, wherein the synchronization module is further adapted for: supplying the source data
Metamessage is pushed to the target data node by node every preset time period.
13. device according to claim 9, wherein the synchronization module is further adapted for: by with the source data section
The network connection established between point, pulls metamessage from the source data node for the target data node, described in updating
The metamessage of target data node.
14. device according to claim 13, wherein described device further include:
Whether judgment module, the metamessage and the metamessage pulled suitable for judging the target data node are consistent；
Update module, suitable for judge in the judgment module target data node metamessage and the metamessage pulled not
Under unanimous circumstances, the metamessage of the target data node is updated to the metamessage pulled.
15. device described in 3 or 14 according to claim 1, wherein the synchronization module is further adapted for: supplying the number of targets
The metamessage update message sent according to node according to the source data node pulls metamessage from the source data node.
16. device described in 3 or 14 according to claim 1, wherein the synchronization module is further adapted for: supplying the number of targets
Metamessage is pulled from the source data node according to node every preset time period.
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| CN107277111B (en) * | 2017-05-19 | 2018-09-04 | 腾讯科技（深圳）有限公司 | A kind of company-data processing method, master node, slave node and cluster |
| CN110901691B (en) * | 2018-09-17 | 2021-10-29 | 株洲中车时代电气股份有限公司 | Ferroelectric data synchronization system and method and train network control system |
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