CN102693170A - Method and device for memory management - Google Patents

Method and device for memory management Download PDF

Info

Publication number
CN102693170A
CN102693170A CN2011100770775A CN201110077077A CN102693170A CN 102693170 A CN102693170 A CN 102693170A CN 2011100770775 A CN2011100770775 A CN 2011100770775A CN 201110077077 A CN201110077077 A CN 201110077077A CN 102693170 A CN102693170 A CN 102693170A
Authority
CN
China
Prior art keywords
data
caching server
backup
instruction
backed
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.)
Pending
Application number
CN2011100770775A
Other languages
Chinese (zh)
Inventor
邵军辉
刘清辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Oak Pacific Interactive Technology Development Co Ltd
Original Assignee
Beijing Oak Pacific Interactive Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Oak Pacific Interactive Technology Development Co Ltd filed Critical Beijing Oak Pacific Interactive Technology Development Co Ltd
Priority to CN2011100770775A priority Critical patent/CN102693170A/en
Publication of CN102693170A publication Critical patent/CN102693170A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The invention provides a method and device for memory management, wherein the method comprises the following steps of: generating a backup command; and responding the generated backup command to back up data in a buffer server. Through the method and the device for the memory management, disclosed by the invention, the data can be quickly recovered after the data in the buffer server are lost, and the application range of a memory buffering system is greatly enlarged and the and the flexibility of the memory buffering system is greatly improved.

Description

The method and apparatus that is used for memory management
Technical field
The present invention relates in general to field of data storage, more specifically, relates to the field of memory management.
Background technology
In large-scale website system for example, the memory cache system has critical role, and Web server is when the process user request, if each user is asked implementation database inquiries, database has belonged to regard to the bottleneck that becomes service so.And when user's request scale acquired a certain degree, Database Systems can not be accomplished so many processing at short notice.Usually; Use the memory cache system can improve the request amount of system bearing greatly; But the data of these caching systems in internal memory generally all need produce from a lot of local collections, for example read from database, and this generally all needs long time could make up fully.And internal storage data normally is prone to lose.This just makes in the loss of data of a lot of websites in internal memory, for example power down, and assault or the like, restore data apace, thus make the operation of website go wrong, and bring great inconvenience to the client.
Memcache is a kind of solution of the above problems that is used in the prior art.In this scheme, buffer memory is placed the many parts of problems that solve to lose, still, when taking place like problems such as many machines power down simultaneously, buffer memory is still all or part of to load from database, does not load slow problem from basic solution.
Therefore, need a kind ofly can recover the data in the buffer memory apace, avoid occurring the not normal technology of website long-play.
Summary of the invention
The objective of the invention is to solve in the prior art website data and recover slower, influence that the website is moved and the problem of user experience.
According to an aspect of the present invention, a kind of method that is used for memory management is provided, comprises: generate backup instruction; And the said backup instruction in response to receiving generation backs up the data in the caching server.
According to an embodiment of the invention, wherein, generate backup instruction and comprise in response in the following incident at least one and generate backup instruction: the data in the said caching server change; Specified time interval is over and done with; With the backup command that receives the user.
According to an embodiment of the invention, wherein, the data in the caching server are backed up comprise: the data in the said caching server are carried out disposable backup.
According to an embodiment of the invention, wherein adopt DUMP to operate the data in the said caching server are carried out disposable backup.
According to an embodiment of the invention, wherein, the data in the caching server are backed up comprise: only the data division that changes in the said caching server is backed up.
According to an embodiment of the invention, wherein, adopt change log operation only the data division that changes in the said caching server to be backed up.
According to an embodiment of the invention, further comprise: generate restore instruction; And, in response to the said restore instruction that receives generation, institute's backed up data is returned in the said caching server.
According to an embodiment of the invention, wherein, generate restore instruction and comprise in response in the following incident at least one and generate restore instruction: when said caching server starts; At least a portion of data in the said caching server is lost; And/or the recovery that receives the user is ordered.
According to an embodiment of the invention, wherein, the data in the caching server are backed up comprise said data are backuped in the local storage and/or remote storage area with respect to said caching server.
According to an embodiment of the invention, wherein, said memory block comprises volatile memory and/or nonvolatile memory.
According to another aspect of the present invention, a kind of equipment that is used for memory management is provided, comprises: the device that is used to generate backup instruction; And be used in response to the said backup instruction that receives generation the device that the data in the caching server are backed up.
Method and apparatus of the present invention can recover the range of application and the dirigibility that have improved the memory cache system greatly after the loss of data in caching server fast.
Description of drawings
Fig. 1 is can be at the schematic block diagram of the example system of implementing according to the method and apparatus of one embodiment of the present invention;
Fig. 2 is the process flow diagram according to the method that is used for memory management of one aspect of the invention;
Fig. 3 shows the process flow diagram according to the method that is used for memory management of a preferred embodiment of the invention;
Fig. 4 is the schematic block diagram according to the equipment that is used for memory management of one aspect of the invention; And
Fig. 5 shows the block diagram of a kind of example devices that various embodiment of the present invention can realize therein.
Embodiment
Below, in conjunction with accompanying drawing embodiment of the present invention is described.
Fig. 1 is can be at the schematic block diagram of the example system of implementing 100 according to the method and apparatus of one embodiment of the present invention.
As shown in Figure 1, example system 100 according to the present invention comprises caching server 110 and the memory block 120 of being coupled to said caching server, and wherein this caching server 110 is used for data are carried out buffer memory; And this memory block 120 is used for backing up the data of said caching server 110, and when being necessary institute's backed up data is returned to from memory block 120 in this caching server 110.
According to an embodiment of the invention, as shown in Figure 1, this memory block 120 can comprise with respect to the local storage 121 of this caching server 110 and/or remote storage area 122.According to the present invention, local storage 121 can exist with remote storage area 122 simultaneously, also can optionally exist.It will be appreciated that local storage 121 all can be single with remote storage area 122, also can be a plurality of.And local storage 121 can be connected in series with respect to caching server 110 with remote storage area 122, also can be connected in parallel.For example, local storage 121 at first backs up the data in the caching server 110, and the Backup Data in 122 pairs of these local storages 121 of remote storage area further backs up then.Perhaps, local storage 121 can be parallel to caching server 110 with remote storage area 122 and simultaneously the data in this caching server 110 backed up.It is understandable that; Can adopt 122 pairs of data of a plurality of remote storage area to back up; For example, utilize the data in 122 pairs of caching servers 110 of a remote storage area to back up, utilize other remote storage area that the data in this remote storage area 122 are further backed up then.Utilize a plurality of memory blocks that data are backed up and can improve safety of data effectively, thereby if one of them memory block break down, then can be further from other memory block restore data.
According to the embodiment of the present invention, the data in the caching server 110 can be the web page datas, and user data, system move required data or the like.The present invention does not limit said type of data.
With the web page data is example, and these data can be received from the database of this web page data of storage at first.When this web page data is carried out buffer memory, can only carry out buffer memory to the part of this web page data, also can carry out buffer memory to whole web page datas.The beneficial effect that whole web page datas are carried out buffer memory is, can avoid 110 pairs of databases of caching server to carry out frequent reading, thus raising speed.
Fig. 2 is the process flow diagram according to the method that is used for memory management 200 of one aspect of the invention.
As shown in Figure 2, method 200 comprises: at step S210, generate backup instruction; At step S220, the said backup instruction in response to receiving generation backs up the data in the caching server.
According to the embodiment of the present invention, generating backup instruction comprises in response in the following incident at least one and generate backup instruction: the data in the said caching server change; Specified time interval is over and done with; With the backup command that receives the user.
For example, if the data in the caching server 110 change, for example, then can the data in the caching server 110 be backed up owing to user's access, modification, arrange etc. and to cause again.Again for example, can whenever come the data in the caching server 110 are backed up at interval at regular intervals, no matter and whether the data in the caching server 110 change.Another example is, can be according to user's backup operation (for example the user has imported backup command) and the data in the caching server 110 are backed up.Certainly, it will be appreciated by persons skilled in the art that and can these composition of matter also can be used any incident that has occurred or occurred in the future or combination.
According to an embodiment of the invention, the data in the caching server are backed up and can comprise: the data in the said caching server are carried out disposable backup.
Here said disposable backup is meant the total data in the caching server 110 is backed up.For example, the embodiment in conjunction with above when the data in the caching server 110 change, when particular time interval is over and done with, and/or when receiving user's backup command, can carry out disposable backup to data.Certainly, it is understandable that, when data are buffered in the caching server 110 first, can once total data be backed up.
According to an embodiment of the invention, can adopt DUMP to operate the data in the said caching server are carried out disposable backup.
Dump operation be with data once full sequenceization to the memory block, for example local storage 121 and/or remote storage area 122.The Dump file that is produced has comprised two important attribute at least: title and time mark.Title is used for distinguishing the content of Dump, and time mark is the timestamp that begins to carry out Dump.In actual use, can periodically carry out the Dump operation, perhaps control Dump through the appropriate managerial instrument.
It will be appreciated that the Dump operation only is an exemplary operation, those skilled in the art can adopt any suitable redundancy technique.
According to an embodiment of the invention, the data in the caching server are backed up and can comprise: only the data division that changes in the said caching server is backed up.
Whether for example, can change the data in the caching server 110 and keep watch on, in case change, that part of data that then only will change back up.Perhaps, can at set intervals the data that change be backed up.Perhaps, when the user sends backup command, also only the data that change are backed up.It is understandable that,, then need not back up data if data do not change.
According to an embodiment of the invention, along with constantly carrying out of backup, new Backup Data can cover old Backup Data, also can new Backup Data be backed up at new file separately and perhaps back up in the memory block different with old Backup Data.
According to an embodiment of the invention, can adopt change log operation only the data division that changes in the said caching server to be backed up.
Change log operation is that the buffer memory change record is carried out serializing.For example, it can combine with the Dump operation, and forms up-to-date complete data.
Fig. 3 shows the process flow diagram according to the method that is used for memory management of a preferred embodiment of the invention.
According to preferred implementation of the present invention, as shown in Figure 3, method 200 may further include: at step S230, generate restore instruction; And, at step S240,, institute's backed up data is returned in the said caching server 110 in response to the said restore instruction that receives generation.
According to an embodiment of the invention, generate restore instruction and can comprise in response in the following incident at least one and generate restore instruction: when said caching server starts; At least a portion of data in the said caching server is lost; And/or the recovery that receives the user is ordered.
For example, when caching server 110 starts, can backed up data be returned in this caching server 110, and need not reading of data from initial database, thereby accelerate the for example resume speed of website data, make things convenient for the user.If the perhaps at least a portion loss of data in the caching server 110, for example because at least a portion in the caching server 110 is damaged, assault or the like then can be to recovering through backed up data.Perhaps, also can carry out recovering according to user's recovery order (the for example keeper of website) with the data of need.
As stated, according to an embodiment of the invention, the data in the caching server are backed up comprise said data are backuped in the local storage and/or remote storage area with respect to said caching server.
It will be appreciated that this memory block, i.e. local storage and/or remote storage area; Can adopt multiple storage mode; Volatile memory for example, but adopt this mode need remain this continuous power supply to volatile memory, can not lose to guarantee data wherein.Preferably, the present invention adopts nonvolatile memory to come data are backed up, thereby even caching server 110 because for example power down and obliterated data, also restore data from this nonvolatile memory at an easy rate.In addition; As stated, can adopt a plurality of nonvolatile memories, i.e. the backup that volatile memory is a caching server 110; And other nonvolatile memory is the further backup to above-mentioned volatile memory; Even break down or loss of data take place in feasible one of them memory block, also can from other memory block, data be recovered out, thus the security that has improved system.
It is understandable that the memory block that is used for Backup Data can provide demons, to wait for the backup (for example Dump and Change log order) that caching server 110 carries out at any time and to recover (Restore).
It is understandable that further remote storage area can be connected with caching server 110 through any wired or wireless mode, internet for example, enterprise network, LAN or the like.
Fig. 4 is the schematic block diagram according to the equipment that is used for memory management 300 of one aspect of the invention.
According to a further aspect in the invention, as shown in Figure 4, a kind of equipment 300 that is used for memory management is provided, comprising: the device 310 that is used to generate backup instruction; And, be used in response to the said backup instruction that receives generation the device 320 that the data in the caching server are backed up.
According to an embodiment of the invention, the device 310 that is used for generating backup instruction can comprise that at least one that be used in response to following incident generates the device of backup instruction: the data of said buffer change; Specified time interval is over and done with; With the backup command that receives the user.
According to an embodiment of the invention, being used for the device 320 that the data to caching server back up can comprise: the device that is used for the data of said caching server are carried out disposable backup.
According to an embodiment of the invention, wherein can adopt DUMP to operate the data in the said caching server are carried out disposable backup.
According to an embodiment of the invention, being used for the device 320 that the data to caching server back up can comprise: the device that the data division that is used for only said caching server being changed backs up.
According to an embodiment of the invention, can adopt change log operation only the data division that changes in the said caching server to be backed up.
According to an embodiment of the invention, as shown in Figure 4, may further include: the device 330 that is used to generate restore instruction; And, be used for institute's backed up data being returned to the device 340 in the said caching server in response to the said restore instruction that receives generation.
According to an embodiment of the invention, the device 330 that is used for generating restore instruction can comprise that at least one that be used in response to following incident generates the device of restore instruction: when said caching server starts; At least a portion of data in the said caching server is lost; And/or the recovery that receives the user is ordered.
According to an embodiment of the invention, be used for device 320 that the data to caching server back up and can comprise and be used for said data are backuped to respect to the local storage of said caching server and/or the device of remote storage area.
According to an embodiment of the invention, said memory block comprises volatile memory and/or nonvolatile memory.
Utilize the present invention, promptly, can in minutes recover total system through Backup Data is returned in the caching server from for example local storage or remote storage area.And in the prior art of restore data from raw data base, this needs several hrs even longer time usually.Therefore, the present invention has greatly improved the speed that data are recovered.
Various embodiment of the present invention can be realized through hardware, firmware, software and combination in any wherein.And various embodiments of the present invention for example can be realized at web server place, but it will be appreciated that the present invention is not limited to this.
Those skilled in the art can utilize any available terminal to visit social network sites.The type at terminal includes but not limited to desk-top computer, has the portable terminal of network function, for example laptop computer, mobile phone, PDA, dedicated Internet access equipment or the like.
Fig. 5 shows the block diagram of a kind of example devices that various embodiment of the present invention can realize therein.
Equipment shown in Fig. 5 comprises CPU (CPU) 501, RAM (RAS) 502, ROM (ROM (read-only memory)) 503, system bus 504, hard disk controller 505, KBC 506, serial interface controller 507, parallel interface controller 508, display controller 509, hard disk 510, keyboard 511, serial external unit 512, parallel external unit 513 and display 514.In these parts, what link to each other with system bus 504 has CPU 501, RAM 502, ROM 503, hard disk controller 505, KBC 506, serial interface controller 507, parallel interface controller 508 and a display controller 509.Hard disk 510 links to each other with hard disk controller 505; Keyboard 511 links to each other with KBC 506; Serial external unit 512 links to each other with serial interface controller 507, and parallel external unit 513 links to each other with parallel interface controller 508, and display 514 links to each other with display controller 509.
The described block diagram of Fig. 5 illustrates just to the purpose of example, is not to be limitation of the present invention.In some cases, can add or reduce wherein some equipment as required.For example, equipment shown in Figure 5 can omit keyboard 511, and only be one can be by the server of external device access.Equipment shown in Figure 5 can be realized the environment that the present invention moves individually; Also can couple together mutually through network and realize the environment that the present invention moves, each module for example of the present invention and/or step can be implemented in interconnected each equipment with distributing.
Above-mentioned various aspects can be suitable for by independent use or with various combinations.The application's instruction can realize through the combination of hardware and software, but can in software or hardware, realize equally.The application's instruction may be embodied as the computer program on computer-readable medium equally, and said computer-readable medium can be any material medium, for example floppy disk, CD-ROM, DVD, hard drives even network medium etc.
One skilled in the art will appreciate that the above-mentioned embodiment that provides just in order to explain the present invention, rather than restriction protection scope of the present invention.Those skilled in the art can carry out various modifications and modification to each embodiment based on instruction of the present invention within the scope of the appended claims under the situation that does not deviate from protection domain of the present invention.Therefore, the present invention is intended to contain included various modifications and equivalent arrangements in spirit and the scope of accompanying claims.The scope of claim meets broad interpretation, so that comprise all such modifications and equivalent structure and function.

Claims (20)

1. method that is used for memory management comprises:
Generate backup instruction; And
Said backup instruction in response to receiving generation backs up the data in the caching server.
2. method according to claim 1, wherein, generate backup instruction and comprise in response in the following incident at least one and generate backup instruction: the data in the said caching server change; Specified time interval is over and done with; With the backup command that receives the user.
3. method according to claim 1 wherein, backs up the data in the caching server and to comprise: the data in the said caching server are carried out disposable backup.
4. method according to claim 3 wherein adopts DUMP to operate the data in the said caching server is carried out disposable backup.
5. method according to claim 1 wherein, backs up the data in the caching server and to comprise: only the data division that changes in the said caching server backed up.
6. method according to claim 5 wherein, adopts change log operation only the data division that changes in the said caching server to be backed up.
7. method according to claim 1 further comprises:
Generate restore instruction,
In response to the said restore instruction that receives generation, institute's backed up data is returned in the said caching server.
8. method according to claim 7 wherein, generates restore instruction and comprises in response in the following incident at least one and generate restore instruction: when said caching server starts; At least a portion of data in the said caching server is lost; And/or the recovery that receives the user is ordered.
9. according to any described method among the claim 1-8, wherein, the data in the caching server are backed up comprise said data are backuped in the local storage and/or remote storage area with respect to said caching server.
10. according to right 9 described methods, wherein, said memory block comprises volatile memory and/or nonvolatile memory.
11. an equipment that is used for memory management comprises:
Be used to generate the device of backup instruction; And
Be used in response to the said backup instruction that receives generation the device that the data in the caching server are backed up.
12. equipment according to claim 11, wherein, the device that is used for generating backup instruction comprises that at least one that be used in response to following incident generates the device of backup instruction: the data of said buffer change; Specified time interval is over and done with; With the backup command that receives the user.
13. equipment according to claim 11 wherein, is used for the device that the data to caching server back up and comprises: the device that is used for the data of said caching server are carried out disposable backup.
14. equipment according to claim 13 wherein adopts DUMP to operate the data in the said caching server is carried out disposable backup.
15. equipment according to claim 11 wherein, is used for the device that the data to caching server back up and comprises: the device that the data division that is used for only said caching server being changed backs up.
16. equipment according to claim 15 wherein, adopts change log operation only the data division that changes in the said caching server to be backed up.
17. equipment according to claim 11 further comprises:
Be used to generate the device of restore instruction,
Be used for institute's backed up data being returned to the device in the said caching server in response to the said restore instruction that receives generation.
18. equipment according to claim 17, wherein, the device that is used for generating restore instruction comprises that at least one that be used in response to following incident generates the device of restore instruction: when said caching server starts; At least a portion of data in the said caching server is lost; And/or the recovery that receives the user is ordered.
19. according to any described equipment among the claim 1-18; Wherein, being used for device that the data to caching server back up comprises and is used for said data are backuped to respect to the local storage of said caching server and/or the device of remote storage area.
20. according to right 19 described equipment, wherein, said memory block comprises volatile memory and/or nonvolatile memory.
CN2011100770775A 2011-03-21 2011-03-21 Method and device for memory management Pending CN102693170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011100770775A CN102693170A (en) 2011-03-21 2011-03-21 Method and device for memory management

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011100770775A CN102693170A (en) 2011-03-21 2011-03-21 Method and device for memory management

Publications (1)

Publication Number Publication Date
CN102693170A true CN102693170A (en) 2012-09-26

Family

ID=46858644

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011100770775A Pending CN102693170A (en) 2011-03-21 2011-03-21 Method and device for memory management

Country Status (1)

Country Link
CN (1) CN102693170A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103605753A (en) * 2013-11-22 2014-02-26 中国技术交易所有限公司 Centralized bidding system data storage system and method
CN104765652A (en) * 2014-01-08 2015-07-08 中国移动通信集团浙江有限公司 Data backup and data recovery method and device
CN104954444A (en) * 2015-05-27 2015-09-30 华为技术有限公司 Cached data migration method and device
CN105808707A (en) * 2016-02-29 2016-07-27 郑州悉知信息科技股份有限公司 Data processing method, data processing device and e-commerce platform
CN107357680A (en) * 2013-12-02 2017-11-17 华为技术有限公司 Data processing equipment and the method for data processing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040098426A1 (en) * 2001-01-06 2004-05-20 Toshiba It-Solutions Corporation Backup system, backup method, program for backup, and backup service provision system
CN101136029A (en) * 2007-08-23 2008-03-05 南京联创科技股份有限公司 Main ems memory data centre data processing method
CN101241458A (en) * 2008-02-25 2008-08-13 浪潮电子信息产业股份有限公司 High efficiency network system backup restoration method
CN101727978A (en) * 2008-10-23 2010-06-09 意法半导体股份有限公司 Method for writing and reading data in an electrically erasable and programmable nonvolatile memory
CN101969456A (en) * 2010-09-17 2011-02-09 深圳市融创天下科技发展有限公司 Geographical map displaying system and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040098426A1 (en) * 2001-01-06 2004-05-20 Toshiba It-Solutions Corporation Backup system, backup method, program for backup, and backup service provision system
CN101136029A (en) * 2007-08-23 2008-03-05 南京联创科技股份有限公司 Main ems memory data centre data processing method
CN101241458A (en) * 2008-02-25 2008-08-13 浪潮电子信息产业股份有限公司 High efficiency network system backup restoration method
CN101727978A (en) * 2008-10-23 2010-06-09 意法半导体股份有限公司 Method for writing and reading data in an electrically erasable and programmable nonvolatile memory
CN101969456A (en) * 2010-09-17 2011-02-09 深圳市融创天下科技发展有限公司 Geographical map displaying system and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103605753A (en) * 2013-11-22 2014-02-26 中国技术交易所有限公司 Centralized bidding system data storage system and method
CN103605753B (en) * 2013-11-22 2017-11-07 中国技术交易所有限公司 Concentrate Ask-Bid System data-storage system and storage method
CN107357680A (en) * 2013-12-02 2017-11-17 华为技术有限公司 Data processing equipment and the method for data processing
CN104765652A (en) * 2014-01-08 2015-07-08 中国移动通信集团浙江有限公司 Data backup and data recovery method and device
CN104954444A (en) * 2015-05-27 2015-09-30 华为技术有限公司 Cached data migration method and device
CN104954444B (en) * 2015-05-27 2018-10-09 华为技术有限公司 A kind of method and apparatus that migration is data cached
CN105808707A (en) * 2016-02-29 2016-07-27 郑州悉知信息科技股份有限公司 Data processing method, data processing device and e-commerce platform
CN105808707B (en) * 2016-02-29 2019-04-26 郑州悉知信息科技股份有限公司 Data processing method, device and e-commerce platform

Similar Documents

Publication Publication Date Title
Aiyer et al. Storage infrastructure behind Facebook messages: Using HBase at scale.
US9135264B2 (en) Distributed catalog, data store, and indexing
CN104077380B (en) A kind of data de-duplication method, apparatus and system
CN103379159B (en) A kind of method that distributed Web station data synchronizes
US20180107397A1 (en) Unidirectional vault synchronization to support tiering
US8166261B1 (en) Systems and methods for seeding a fingerprint cache for data deduplication
CN102521269B (en) Index-based computer continuous data protection method
EP2135165B1 (en) Shared disk clones
US20170060701A1 (en) File-based cluster-to-cluster replication recovery
US20150213100A1 (en) Data synchronization method and system
WO2006048780A3 (en) Method and system for network storage device failure protection and recovery
CN110612516B (en) Improving backup performance after backup failure
CN102955720A (en) Method for improving stability of EXT (extended) file system
CN102693170A (en) Method and device for memory management
US20120278429A1 (en) Cluster system, synchronization controlling method, server, and synchronization controlling program
US11429498B2 (en) System and methods of efficiently resyncing failed components without bitmap in an erasure-coded distributed object with log-structured disk layout
CN102819615A (en) Database continuous data protection method based on application snapshot
CN103138912A (en) Data synchronizing method and data synchronizing system
US11223528B2 (en) Management of cloud-based shared content using predictive cost modeling
CN112380057A (en) Data recovery method, device, equipment and storage medium
CN100428240C (en) Systems and methods for storing information in a common information store
EP3588913B1 (en) Data caching method, apparatus and computer readable medium
CN104281673A (en) Cache building system and method for database
CN100485629C (en) Assembling type computer system high speed cache data backup processing method and system
US8595271B1 (en) Systems and methods for performing file system checks

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120926