CN104599341B - Car positioning information storage method and apparatus thereof - Google Patents
Car positioning information storage method and apparatus thereof Download PDFInfo
- Publication number
- CN104599341B CN104599341B CN201310534727.3A CN201310534727A CN104599341B CN 104599341 B CN104599341 B CN 104599341B CN 201310534727 A CN201310534727 A CN 201310534727A CN 104599341 B CN104599341 B CN 104599341B
- Authority
- CN
- China
- Prior art keywords
- location information
- bus location
- storage
- hbase
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a car positioning information storage method. The method includes the following steps: S1, a bulk storage program receives multiple car positioning information and then writes the multiple positioning information into HBASE in batches; S2, a priority access time period is preset, and the car positioning information written into the HBASE is periodically copied to a local hard disk before the priority access time period starts; and S3, after the car positioning information is successfully copied, the copied car positioning information is deleted from the HBASE. The method can be enforced to timely store a large amount of car positioning information data, and preserves the historical car positioning information to the local hard disk, so the burden of the HBASE is reduced; and the historical car positioning information can be conveniently queried through an interface provided by the HBASE. The invention also discloses a car positioning information storage apparatus.
Description
Technical field
The present invention relates to automobile navigation field, more particularly, it relates to a kind of bus location information storage method and device.
Background technology
Often be configured with the positioning navigation devices such as GPS in present automobile, user vehicle when driving a car can at any time with
Ground knows the accurate location of oneself.The functions such as automatic speech navigation that auto navigation has, optional path searching, facilitate significantly
The trip of people.
But it is as getting more and more using the automobile of guider, and the requirement more and more higher with user vehicle, phase
The automobile navigation apparatus answered report frequency（It is exactly that location information is sent to control centre by automobile navigation apparatus）It is also required to more next
Faster, per second averagely have tens of thousands of, and 100,000 on peak period may reach, bus location information generally requires at least to protect
Deposit more than 3 years（3 years about 47,000,000,000,000）.
In prior art, traditional relational database cannot meet so frequent, the bus location information data of magnanimity
Storage demand.
Content of the invention
The technical problem to be solved in the present invention is, the traditional relational database for prior art cannot meet so
Frequently, the defect of the storage demand of bus location information data of magnanimity, provides a kind of bus location information storage method and dress
Put.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of bus location information storage method,
Comprise the following steps：
After S1, batch storage program receive multiple bus location information, described bus location information is write in batch
Enter HBASE；
S2, a default preferential access time section, just will have been written into described before described preferential access time section starts
The described bus location information of HBASE periodically backups to local hard drive；
S3, described bus location information backup success after, by the described bus location information having backed up from described
Delete in HBASE.
In bus location information storage method of the present invention, described step S1 includes following sub-step：
After S11, multiple receiving threads of described batch storage program receive described bus location information, by described automobile
Location information is assigned to the storage queue of the storage thread of the corresponding described batch storage program of described receiving thread；
Described bus location information in described storage queue is write HBASE by S12, described storage thread in batch.
In bus location information storage method of the present invention, described in described step S11 by described bus location
The operation that information is assigned to the storage queue of storage thread of the corresponding described batch storage program of described receiving thread includes：
According to the ID of automobile navigation apparatus, described bus location information is evenly distributed to by described reception by HASH algorithm
The storage queue of the storage thread of the corresponding described batch storage program of thread.
In bus location information storage method of the present invention, in described step S12, described storage thread will
The described bus location information receiving afterwards writes in described HBASE separately as a file.
In bus location information storage method of the present invention, described step S12 includes：
Described storage thread is according to the scheduled time or predetermined information amount in batch by described in described storage queue
Bus location information writes HBASE.
In bus location information storage method of the present invention, in described step S2, described bus location is believed
Breath periodically backups to local hard drive according to the ID of automobile navigation apparatus and the generation time of described bus location information, and
The bus location information file preserving was named with the date.
In bus location information storage method of the present invention, described bus location information storage method also includes：
Backup to the bus location information in the bus location information file of local hard drive by the interface polls that described HBASE provides.
Implement the bus location information storage method of the present invention, have the advantages that：Carried by the embodiment of the present invention
For bus location information storage method, such frequency can cannot be met with traditional relational database of effectively solving prior art
Numerous, the defect of the storage demand of bus location information data of such magnanimity, can store in time frequently, the automobile of magnanimity is determined
Position information data, and by the bus location information of history is saved in local hard drive, reduces the burden of HBASE, also may be used
The bus location information of the convenient query history of interface to be provided by HBASE.
The present invention also provides a kind of bus location information storage device, including with lower module：
Information writing module, receives after multiple bus location information for batch storage program, by described bus location
Information writes HBASE in batch；
Information back-up module, for presetting a preferential access time section, will be before described preferential access time section starts
The described bus location information just having been written into described HBASE periodically backups to local hard drive；
Information deletion module, for after the backup success of described bus location information, the described automobile having backed up is fixed
Position information is deleted from described HBASE.
In bus location information storage device of the present invention, described information writing module includes following submodule：
Information receiving unit, receives described bus location letter for the multiple receiving threads in described batch storage program
After breath, described bus location information is assigned to storage the depositing of thread of the corresponding described batch storage program of described receiving thread
Storage queue；
Information writing unit, for being divided the described bus location information in described storage queue by described storage thread
Batch ground write HBASE.
In bus location information storage device of the present invention, described information receiving unit is additionally operable to lead according to automobile
Described bus location information is evenly distributed to the corresponding described batch of described receiving thread by HASH algorithm by the ID of boat device
The storage queue of the storage thread of storage program.
In bus location information storage device of the present invention, information receiving unit is additionally operable to by described storage line
The described bus location information finally receiving is write in described HBASE by journey separately as a file.
In bus location information storage device of the present invention, described information receiving unit is additionally operable to deposit by described
Described bus location information in described storage queue is write in batch by storage line journey according to the scheduled time or predetermined information amount
Enter HBASE.
In bus location information storage device of the present invention, described information backup module is additionally operable to described automobile
Location information periodically backups to locally according to the ID of automobile navigation apparatus and the generation time of described bus location information
Hard disk, and the bus location information file preserving was named with the date.
In bus location information storage device of the present invention, described bus location information storage device also includes：
Enquiry module, for being backuped to by the interface polls that described HBASE provides in the bus location information file of local hard drive
Bus location information.
Implement the bus location information storage device of the present invention, have the advantages that：Carried by the embodiment of the present invention
For bus location information storage device, cannot be able to be met continually with traditional relational database of effectively solving prior art
It is stored in the defect of the storage demand of bus location information data of magnanimity, the frequent, bus location of magnanimity can be stored in time
Information data, and by the bus location information of history is saved in local hard drive, reduce the burden of HBASE it is also possible to
The bus location information of the convenient query history of interface being provided by HBASE.
Brief description
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the bus location information storage method flow chart that a preferred embodiment of the present invention provides；
Fig. 2 is the sub-step flow chart of step S1 shown in Fig. 1；
Fig. 3 is the structural representation of the bus location information storage device that a preferred embodiment of the present invention provides；
Fig. 4 is the structural representation of the information writing module shown in Fig. 3；
Fig. 5 is the structural representation of the bus location information storage device that another preferred embodiment of the present invention provides.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now comparison accompanying drawing describes in detail
The specific embodiment of the present invention, following specific embodiments and accompanying drawing, only more fully understand the present invention, not to this
Bright do any restriction.
As shown in figure 1, one embodiment of the invention provides a kind of bus location information storage method, the method is applied to automobile
In the scene of navigation, can be realized by the server of auto navigation base station, certain present invention is also not limited to this.Described vapour
Car location information storage method comprises the following steps：
After S1, batch storage program receive multiple bus location information, described bus location information is write in batch
Enter HBASE；Because location information constantly can be reported to control centre by automobile in the process of moving, add that control centre can connect
Receive the location information that on multiple stage automobile, guider reports, therefore can produce multiple bus location information；HBASE is that a kind of height can
By property, high-performance, towards row, telescopic distributed memory system, large-scale structure can be erected on PC server and deposit
Accumulation, described batch storage program is the storage program supporting with HBASE.
S2, a default preferential access time section, just will have been written into described before described preferential access time section starts
The described bus location information of HBASE periodically backups to local hard drive；Default preferential access time section can flexibly set
Put, such as generally user simply accesses nearest bus location information, and substantially will not access the letter of bus location the year before
Breath, therefore can be set to 1 year, certainly, the present invention is also not limited to this, then in order to reduce the storage of HBASE the time period
With access expense, bus location information storage the year before can be backuped to local hard drive.Because bus location information is real
When produce, the operation of therefore backup should also be periodic.
S3, described bus location information backup success after, by the described bus location information having backed up from described
Delete in HBASE.In order to reduce the storage of HBASE and access expense, successfully described bus location letter can will be had backed up
Breath is deleted from described HBASE.
Preferably, as shown in Fig. 2 in bus location information storage method provided in an embodiment of the present invention, the method is fitted
For, in the scene of auto navigation, being realized by multiple servers, certain present invention is also not limited to this, described step S1
Including following sub-step：
After S11, multiple receiving threads of described batch storage program receive described bus location information, by described automobile
Location information is assigned to the storage queue of the storage thread of the corresponding described batch storage program of described receiving thread；Described batch
Storage program has multiple operation threads, and including multiple receiving threads and multiple storage thread, each storage thread corresponds to
One storage queue.
Described bus location information in described storage queue is write HBASE by S12, described storage thread in batch.
Preferably, in bus location information storage method provided in an embodiment of the present invention, the method is applied to automobile and leads
Boat scene in, can be realized by multiple servers, certain present invention is also not limited to this, described in described step S11 general
Described bus location information is assigned to the storage queue of the storage thread of the corresponding described batch storage program of described receiving thread
Operation include：
According to the ID of automobile navigation apparatus, described bus location information is evenly distributed to by described reception by HASH algorithm
The storage queue of the storage thread of the corresponding described batch storage program of thread.Typically every automobile all can be installed an automobile and lead
Boat device, and each automobile navigation apparatus corresponds to a unique sequence number, that is, the ID of automobile navigation apparatus, because HASH
Algorithm is known algorithm, therefore specifically how to calculate here is omitted, described bus location information is evenly distributed to
The storage queue of the storage thread of the corresponding described batch storage program of described receiving thread, is to store sequence to equalize each
Information content and balance each storage thread burden.
Preferably, in bus location information storage method provided in an embodiment of the present invention, the method is applied to automobile and leads
In the scene of boat, can be realized by multiple servers, certain present invention is also not limited to this, in described step S12, described
The described bus location information finally receiving is write in described HBASE by storage thread separately as a file.Because using
Up-to-date bus location information typically can be inquired about in family, therefore by the described bus location information finally receiving separately as one
File writes described HBASE and can more easily inquire about bus location information.
Preferably, in bus location information storage method provided in an embodiment of the present invention, the method is applied to automobile and leads
In the scene of boat, can be realized by multiple servers, certain present invention is also not limited to this, described step S12 includes：
Described storage thread is according to the scheduled time or predetermined information amount in batch by described in described storage queue
Bus location information writes HBASE.Because bus location information is real-time generation, if therefore in real time by storage thread
Described bus location information in described storage queue is write HBASE can increase the burden of HBASE, therefore can pre-set
One time, by the described bus location information write HBASE in described storage queue after being provided at pre-determined intervals；Or it is default
One predetermined information amount threshold value, when described bus location information reaches this threshold value, by the institute in described storage queue
State bus location information write HBASE, thus can balance by described bus location information write HBASE timely row and
The reduction of HBASE burden.
Preferably, in bus location information storage method provided in an embodiment of the present invention, the method is applied to automobile and leads
In the scene of boat, can be realized by multiple servers, certain present invention is also not limited to this, in described step S2, by institute
State bus location information periodically to back up according to the ID of automobile navigation apparatus and the generation time of described bus location information
To local hard drive, and the bus location information file preserving was named with the date.Can be easily from standby by this embodiment
The bus location information of easily query history part in the bus location information file of local hard drive.In addition the cycle of backup
Can flexibly arrange, such as a week, or 5 days or one month, and preferably, can be by the time point of each backup
When electing the automobile navigation apparatus such as morning as and report frequency minimum, can determine that by statistics automobile navigation apparatus report frequency
The rate minimum time, so can reduce the interference of the normal access to HBASE to operation center.
Preferably, in bus location information storage method provided in an embodiment of the present invention, the method is applied to automobile and leads
In the scene of boat, can be realized by multiple servers, certain present invention is also not limited to this, described bus location information storage
Method also includes：Backup to the vapour in the bus location information file of local hard drive by the interface polls that described HBASE provides
Car location information.
Implement the bus location information storage method of the present invention, have the advantages that：Carried by the embodiment of the present invention
For bus location information storage method, cannot be able to be met continually with traditional relational database of effectively solving prior art
Be stored in the defect of the storage demand of bus location information data of magnanimity, can magnanimity in time bus location information data,
And by the bus location information of history is saved in local hard drive, reduce the burden of HBASE it is also possible to pass through HBASE
The bus location information of the convenient query history of interface providing.
As shown in figure 3, in bus location information storage method provided in an embodiment of the present invention, including with lower module：
Information writing module, receives after multiple bus location information for batch storage program, by described bus location
Information writes HBASE in batch；Because location information constantly can be reported to control centre by automobile in the process of moving, plus
Upper control centre can receive the location information that on multiple stage automobile, guider reports, and therefore can produce multiple bus location information；
HBASE be a kind of high reliability, high-performance, towards row, telescopic distributed memory system, can erect in PC server
Large-scale structure storage cluster, described batch storage program is the storage program supporting with HBASE.
Information back-up module, for presetting a preferential access time section, will be before described preferential access time section starts
The described bus location information just having been written into described HBASE periodically backups to local hard drive；During default preferential access
Between section can flexibly arrange, such as generally user simply accesses nearest bus location information, and substantially will not access 1 year
Front bus location information, therefore can be set to 1 year, certainly, the present invention is also not limited to this time period, then in order to
Reduce the storage of HBASE and access expense, bus location information storage the year before can be backuped to local hard drive.Because vapour
Car location information is real-time generation, and the operation of therefore backup should also be periodic.
Information deletion module, for after the backup success of described bus location information, the described automobile having backed up is fixed
Position information is deleted from described HBASE, in order to reduce the storage of HBASE and access expense, can will have backed up successful institute
State bus location information to delete from described HBASE.
Preferably, as shown in figure 4, in bus location information storage device provided in an embodiment of the present invention, described information
Writing module includes following submodule：
Information receiving unit, receives described bus location letter for the multiple receiving threads in described batch storage program
After breath, described bus location information is assigned to storage the depositing of thread of the corresponding described batch storage program of described receiving thread
Storage queue；Described batch storage program has multiple operation threads, including multiple receiving threads and multiple storage thread, often
Individual storage thread corresponds to a storage queue.
Information writing unit, for being divided the described bus location information in described storage queue by described storage thread
Batch ground write HBASE.
Preferably, in bus location information storage device provided in an embodiment of the present invention, described information receiving unit is also
For the ID according to automobile navigation apparatus, described bus location information is evenly distributed to by described receiving thread by HASH algorithm
The storage queue of the storage thread of corresponding described batch storage program, typically every automobile all can install an auto navigation dress
Put, and each automobile navigation apparatus corresponds to a unique sequence number, that is, the ID of automobile navigation apparatus, because HASH algorithm
It is known algorithm, therefore specifically how to calculate here is omitted, described bus location information is evenly distributed to described
The storage queue of the storage thread of the corresponding described batch storage program of receiving thread, is the letter in order to equalize each storage sequence
Breath quantity and the burden balancing each storage thread.
Preferably, in bus location information storage device provided in an embodiment of the present invention, information receiving unit is additionally operable to
The described bus location information finally receiving is write separately as a file by described HBASE by described storage thread
In, because user typically can inquire about up-to-date bus location information, therefore by the described bus location information list finally receiving
Solely write described HBASE as a file and can more easily inquire about bus location information.
Preferably, in bus location information storage device provided in an embodiment of the present invention, described information receiving unit is also
For by described storage thread according to the scheduled time or predetermined information amount in batch by described in described storage queue
Bus location information writes HBASE, because bus location information is real-time generation, if therefore in real time by storage thread
Described bus location information in described storage queue is write HBASE can increase the burden of HBASE, therefore can pre-set
One time, by the described bus location information write HBASE in described storage queue after being provided at pre-determined intervals；Or it is default
One predetermined information amount threshold value, when described bus location information reaches this threshold value, by the institute in described storage queue
State bus location information write HBASE, thus can balance by described bus location information write HBASE timely row and
The reduction of HBASE burden.
Preferably, in bus location information storage device provided in an embodiment of the present invention, described information backup module is also
For by the generation time cycle of the ID according to automobile navigation apparatus for the described bus location information and described bus location information
Property backup to local hard drive, and the bus location information file preserving was named with the date, can be very square by this embodiment
Just from the bus location information file backuping to local hard drive easily query history bus location information.In addition standby
The cycle of part can flexibly be arranged, a such as week, or 5 days or one month, and preferably, can be backed up every time
Time point when elect the automobile navigation apparatus such as morning as and report frequency minimum, can determine that by statistics auto navigation fills
Put the time reporting frequency minimum, so can reduce the interference of the normal access to HBASE to operation center.
Preferably, as shown in figure 5, in bus location information storage device provided in an embodiment of the present invention, described automobile
Location information storage device also includes：Enquiry module, for backuping to local hard drive by the interface polls that described HBASE provides
Bus location information file in bus location information.
Implement the bus location information storage device of the present invention, have the advantages that：Carried by the embodiment of the present invention
For bus location information storage device, cannot be able to be met continually with traditional relational database of effectively solving prior art
Be stored in the defect of the storage demand of bus location information data of magnanimity, can magnanimity in time bus location information data,
And by the bus location information of history is saved in local hard drive, reduce the burden of HBASE it is also possible to pass through HBASE
The bus location information of the convenient query history of interface providing.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematically, rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, also can make a lot
Form, these belong within the protection of the present invention.
Claims (12)
1. a kind of bus location information storage method is it is characterised in that comprise the following steps：
After S1, batch storage program receive multiple bus location information, described bus location information is write in batch
HBASE；
S2, a default preferential access time section, will just have been written into described HBASE before described preferential access time section starts
Described bus location information periodically backup to local hard drive；
S3, described bus location information backup success after, by the described bus location information having backed up from described HBASE
Delete；
Described step S1 includes following sub-step：
After S11, multiple receiving threads of described batch storage program receive described bus location information, by described bus location
Information is assigned to the storage queue of the storage thread of the corresponding described batch storage program of described receiving thread；
Described bus location information in described storage queue is write HBASE by S12, described storage thread in batch.
2. bus location information storage method according to claim 1 is it is characterised in that general described in described step S11
Described bus location information is assigned to the storage queue of the storage thread of the corresponding described batch storage program of described receiving thread
Operation include：
According to the ID of automobile navigation apparatus, described bus location information is evenly distributed to by described receiving thread by HASH algorithm
The storage queue of the storage thread of corresponding described batch storage program.
3. bus location information storage method according to claim 1 is it is characterised in that in described step S12, described
The described bus location information finally receiving is write in described HBASE by storage thread separately as a file.
4. bus location information storage method according to claim 1 is it is characterised in that described step S12 includes：
Described storage thread is according to the scheduled time or predetermined information amount in batch by the described automobile in described storage queue
Location information writes HBASE.
5. bus location information storage method according to claim 1 is it is characterised in that in described step S2, by institute
State bus location information periodically to back up according to the ID of automobile navigation apparatus and the generation time of described bus location information
To local hard drive, and the bus location information file preserving was named with the date.
6. bus location information storage method according to claim 5 is it is characterised in that described bus location information stores
Method also includes：Backup to the vapour in the bus location information file of local hard drive by the interface polls that described HBASE provides
Car location information.
7. a kind of bus location information storage device is it is characterised in that include with lower module：
Information writing module, receives after multiple bus location information for batch storage program, by described bus location information
Write HBASE in batch；
Information back-up module, for presetting a preferential access time section, will before described preferential access time section starts just
Described bus location information through writing described HBASE periodically backups to local hard drive；
Information deletion module, for after the backup success of described bus location information, by the described bus location letter having backed up
Breath is deleted from described HBASE；
Described information writing module includes following submodule：
Information receiving unit, receives described bus location information for the multiple receiving threads in described batch storage program
Afterwards, described bus location information is assigned to the storage of the storage thread of the corresponding described batch storage program of described receiving thread
Queue；
Information writing unit, for by described storage thread by the described bus location information in described storage queue in batches
Ground write HBASE.
8. bus location information storage device according to claim 7 is it is characterised in that described information receiving unit is also used
In the ID according to automobile navigation apparatus, described bus location information is evenly distributed to by described receiving thread pair by HASH algorithm
The storage queue of the storage thread of the described batch storage program answered.
9. bus location information storage device according to claim 7 is it is characterised in that information receiving unit is additionally operable to lead to
Cross described storage thread to write in described HBASE the described bus location information finally receiving separately as a file.
10. bus location information storage device according to claim 7 it is characterised in that described information receiving unit also
For by described storage thread according to the scheduled time or predetermined information amount in batch by described in described storage queue
Bus location information writes HBASE.
11. bus location information storage devices according to claim 7 it is characterised in that described information backup module also
For by the generation time cycle of the ID according to automobile navigation apparatus for the described bus location information and described bus location information
Property backup to local hard drive, and the bus location information file preserving was named with the date.
12. bus location information storage devices according to claim 11 are it is characterised in that described bus location information is deposited
Storage device also includes：Enquiry module, for backuping to the bus location of local hard drive by the interface polls that described HBASE provides
Bus location information in message file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310534727.3A CN104599341B (en) | 2013-10-31 | 2013-10-31 | Car positioning information storage method and apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310534727.3A CN104599341B (en) | 2013-10-31 | 2013-10-31 | Car positioning information storage method and apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104599341A CN104599341A (en) | 2015-05-06 |
| CN104599341B true CN104599341B (en) | 2017-02-15 |
Family
ID=53125091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310534727.3A Active CN104599341B (en) | 2013-10-31 | 2013-10-31 | Car positioning information storage method and apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104599341B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667180B (en) * | 2008-09-03 | 2012-10-17 | 神讯电脑(昆山)有限公司 | System and method for space management of database |
| CN102495848B (en) * | 2011-11-17 | 2013-06-19 | 深圳市赛格导航科技股份有限公司 | Method for processing massive GPS (global positioning system) data and system |
| CN102542026B (en) * | 2011-12-22 | 2013-07-24 | 深圳市赛格导航科技股份有限公司 | Mass global position system (GPS) data access method and system |
| WO2013105505A1 (en) * | 2012-01-13 | 2013-07-18 | 日本電気株式会社 | Index scanning apparatus and index scanning method |
| KR101245994B1 (en) * | 2012-08-31 | 2013-03-20 | 케이씨씨시큐리티주식회사 | Parallel distributed processing system and method |
-
2013
- 2013-10-31 CN CN201310534727.3A patent/CN104599341B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104599341A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7613747B1 (en) | Tiered database storage and replication | |
| CA2616194C (en) | Revenue management system and method | |
| CN103425568B (en) | log information processing method and device | |
| US7774315B1 (en) | Backup system | |
| US9183245B2 (en) | Implicit group commit when writing database log entries | |
| CN102521269A (en) | Index-based computer continuous data protection method | |
| CN101650741A (en) | Method and system for updating index of distributed full-text search in real time | |
| CN105989076A (en) | Data statistical method and device | |
| US20120143818A1 (en) | Journaling database changes using a bit map for zones defined in each page | |
| CN103064882A (en) | Commercial base fault isolation method applicable to power dispatching automation system | |
| CN109522315A (en) | A kind of data base processing method and system | |
| WO2012100349A1 (en) | Statistics forecast for range partitioned tables | |
| CN103944964A (en) | Distributed system and method carrying out expansion step by step through same | |
| CN102982186A (en) | Method and system for maintaining range partitioning table based on oracle database system | |
| CN103853500A (en) | Method, device and system for distributing mass data | |
| CN106777126A (en) | A kind of online data moving method for supporting isomery time series database | |
| CN104199955A (en) | Information management system and information management method | |
| CN105159925A (en) | Database cluster data distribution method and system | |
| CN104599341B (en) | Car positioning information storage method and apparatus thereof | |
| CN102201013B (en) | Vehicle state management method based on memory database | |
| CN105354317A (en) | Hotel database updating method and system | |
| AU2012266382B2 (en) | Minimize downtime with immediate upgrade of data in databases | |
| CN101094428A (en) | Statistical system and method of querying service database of intelligent network | |
| CN106302625A (en) | Data-updating method, device and related system | |
| CN104112024A (en) | Method and device for high-performance query of database |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |