CN105608167A - KDFS system-based file backup method and system - Google Patents
KDFS system-based file backup method and system Download PDFInfo
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- CN105608167A CN105608167A CN201510964653.6A CN201510964653A CN105608167A CN 105608167 A CN105608167 A CN 105608167A CN 201510964653 A CN201510964653 A CN 201510964653A CN 105608167 A CN105608167 A CN 105608167A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
- G06F11/1453—Management of the data involved in backup or backup restore using de-duplication of the data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
Abstract
The invention discloses a KDFS system-based file backup method and system. The method comprises the following steps: obtaining a file uploaded by a user; judging the level of an application identification, to which the file belongs, according to a preset level judging rule; determining the target backup quantity of each cluster in a KDFS system through a preset backup quantity according to the level; and respectively backing up the file for the clusters according to the target backup quantity. According to the method and system, level division can be carried out on the application identification, to which the uploaded file belongs, file backup in different backup quantities is carried out on the clusters in the KDFS system according to different levels, and the backup quantities of the clusters can be specifically adjusted according to the importance degree corresponding to the application identification, to which the file belongs to, so as to carry out file backup, so that the burden, caused by the file backup, on the disc space is greatly decreased while the file safety is ensured.
Description
Technical field
The present invention relates to file backup field, particularly relate to a kind of file backup side based on KDFS systemMethod and system.
Background technology
In cloud stores service, file redundancy backup is very important part. Due to capacity, expansionThe advantage of the aspects such as appearance, data security, data backup, file is to be all stored in distributed file system.KDFS is a kind of distributed file system across cluster, and as shown in Figure 1, KDFS system comprises HadoopDistributed file system HDFS and FASTDFS lightweight distributed file system FastDFS.
After user's upload file, distributed file system can disperse to be stored in cluster by multiple backups of fileIn multiple servers on, ensure that file can not lead because of certain server fault such as machine or disk failures of delayingCause File lose, in existing distributed file system and cloud stores service, generally adopt redundancy backupMode is preserved file.
But existing file backup mechanism is all based on cluster, developer can only arrange file at listBackup quantity in individual cluster, this just causes the backup quantity of file in KDFS too much, and some backup isNon-essential, carry out unnecessary backup and may cause burden to disk space.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of file backup side based on KDFS systemMethod and system, can adjust targeted specifically the backup quantity of cluster and carry out file backup.
For achieving the above object, the invention provides a kind of file backup method based on KDFS system,Comprise:
Steps A: obtain user's upload file;
Step B: the rank of judging the application identities under described file by pre-set level decision rule;
Step C: determine in KDFS system each by the definite rule of default backup quantity according to described rankThe target backup quantity of cluster;
Step D: described each cluster is carried out respectively to the backup of described file according to described target backup quantity.
Preferably, judge the rank bag of the application identities under described file by pre-set level decision ruleDraw together:
Judge whether the application identities under described file is stored in priority list, if so, trueApplication identities under fixed described file is priority level, otherwise by corresponding the application identities of all gradingsAccess parameter is descending to sort, when access parameter corresponding to described application identities is in described sequenceWhile being positioned at front the first preset ratio, determine that described application identities is first level, when at described sequence metaIn the time that front the first preset ratio is extremely between front the second preset ratio, determine that described application identities is second level,Before being positioned at, after the second preset ratio time, determine that described application identities is third level in described sequence.
Preferably, described access parameter comprises:
The calling party quantity access times corresponding with described application identities that described application identities is corresponding.
Preferably, determine in KDFS system each according to described rank by the definite rule of default backup quantityThe target backup quantity of cluster comprises:
In the time that the application identities under described file is priority level, determine in KDFS system according to instructionThe target backup quantity of each cluster;
In the time that the application identities under described file is first level, determine each cluster in KDFS systemTarget backup quantity is the first predetermined number;
In the time that the application identities under described file is second level, determine the described file place collection of uploadingGroup's target backup quantity is the first predetermined number, determines in KDFS system except the described file institute uploadingThe target backup quantity of other the each clusters outside cluster is and is less than the second default of the first predetermined numberQuantity;
In the time that the application identities under described file is third level, determine each cluster in KDFS systemTarget backup quantity is the second predetermined number.
Preferably, described each cluster is carried out respectively to the backup of described file according to described target backup quantityAfter also comprise:
Obtain Visitor Logs corresponding to described application identities;
Adjust rank according to the Visitor Logs that application identities is corresponding, return to step C.
Preferably, described each cluster is carried out respectively to the backup of described file according to described target backup quantityAfter also comprise:
Response user's download instruction is downloaded described file in the cluster of specifying.
The present invention also provides a kind of file backup system based on KDFS system, comprising:
File acquisition module, for obtaining user's upload file;
Rank determination module, is connected with described file acquisition module, for judge rule by pre-set levelJudge the rank of the affiliated application identities of described file;
Cluster backup quantity determination module, is connected with described rank determination module, for according to described levelTong Guo not preset backup quantity and determine the target backup quantity of each cluster in the definite KDFS system of rule;
Cluster backup module, is connected with described cluster backup quantity determination module, for according to described orderMark backup quantity is carried out respectively the backup of described file to described each cluster.
Preferably, the described file backup system based on KDFS system also comprises:
Visitor Logs acquisition module, for obtaining Visitor Logs corresponding to described application identities.
Preferably, the described file backup system based on KDFS system also comprises:
Rank adjusting module, determines mould with described Visitor Logs acquisition module and described cluster backup quantityPiece is all connected, and for adjusting rank according to Visitor Logs corresponding to application identities, makes described cluster backupThe work of quantity determination module.
Preferably, the described file backup system based on KDFS system also comprises:
File download module, is connected with described cluster backup module, for responding user's download instructionIn the cluster of specifying, download described file.
Apply a kind of file backup method and system based on KDFS system provided by the invention, obtain userUpload file, judges the rank of the application identities under described file, root by pre-set level decision ruleDetermine the regular target backup of determining each cluster in KDFS system according to described rank by default backup quantityQuantity, carries out respectively the backup of described file according to described target backup quantity to described each cluster, canFor the application identities under upload file is carried out grade classification, according to different grades in KDFS systemEach cluster carries out respectively the file backup of different backup quantity, can be according to application identities correspondence under fileThe significance level backup quantity of adjusting targeted specifically cluster carry out file backup, what secure documentsMeanwhile, greatly reduce the burden of file backup to disk space.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, notPay under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the structural representation of KDFS system;
Fig. 2 is the flow chart of a kind of file backup method embodiment mono-based on KDFS system of the present invention;
Fig. 3 is the principle signal of a kind of file backup method embodiment mono-based on KDFS system of the present inventionFigure;
Fig. 4 is the structural representation of a kind of file backup system embodiment bis-based on KDFS system of the present inventionFigure;
Fig. 5 is the structural representation of a kind of file backup system embodiment tri-based on KDFS system of the present inventionFigure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
Embodiment mono-:
The invention provides a kind of file backup method based on KDFS system, Fig. 2 shows the present inventionThe flow chart of file backup method embodiment mono-based on KDFS system, comprising:
Step S101: obtain user's upload file;
Step S102: the rank of judging the application identities under described file by pre-set level decision rule;
Using the application identities of KDFS is APPID, judges whether the APPID under described file storesIn priority list, if so, determine that the APPID under described file is priority level, otherwiseSort descending the access parameter corresponding APPID of all gradings, described in access parameter comprisesThe calling party quantity access times corresponding with described APPID that APPID is corresponding, as described APPIDBefore corresponding access parameter is positioned in described sequence when the first preset ratio, determine that described APPID is theOne rank, when in described sequence in front the first preset ratio between front the second preset ratio time, reallyFixed described APPID is second level, before being positioned in described sequence after the second preset ratio time, reallyFixed described APPID is third level, for example, by the APPID of all participation gradings, come above20% for being defined as 1 grade, and last 20% is defined as 3 grades, other be defined as 2 grades.
Step S103: determine in KDFS system by the definite rule of default backup quantity according to described rankThe target backup quantity of each cluster;
In the time that described APPID is priority level, determine the target of each cluster in KDFS system according to instructionBackup quantity, can arrange the backup quantity of specifying each cluster according to user;
In the time that the application identities under described file is first level, determine each cluster in KDFS systemTarget backup quantity is the first predetermined number;
In the time that the application identities under described file is second level, determine the described file place collection of uploadingGroup's target backup quantity is the first predetermined number, determines in KDFS system except the described file institute uploadingThe target backup quantity of other the each clusters outside cluster is and is less than the second default of the first predetermined numberQuantity;
In the time that the application identities under described file is third level, determine each cluster in KDFS systemTarget backup quantity is the second predetermined number;
For example: the first predetermined number is that 12, the second predetermined numbers are 1, in the time that described APPID is 1 grade,The target backup quantity of determining each cluster in KDFS system is 2; In the time that described APPID is 2 grades,The target backup quantity of determining the described file place cluster of uploading is 2, determines in KDFS system except uploadingDescribed file place cluster outside the target backup quantity of other each clusters be 1, user initial onThe cluster passing increases by 1 backup; In the time that described APPID is 3 grades, determine each cluster in KDFS systemTarget backup quantity be 1.
Step S104: described each cluster is carried out respectively to the standby of described file according to described target backup quantityPart.
Finally according to target backup quantity, file is backed up.
As shown in Figure 3, be the principle schematic of the present embodiment, logical according to APPID after user's upload fileCross determinant decision level, determine that according to rank cluster backup quantity backs up, described in can obtaining afterwardsThe Visitor Logs that application identities is corresponding, adjusts rank according to the Visitor Logs that application identities is corresponding, more againDetermine that cluster backup quantity backs up, the download instruction that can also respond user in the cluster of specifying underCarry file destination.
A kind of file backup method based on KDFS system that application the present embodiment provides, obtains on userTransmitting file, judges the rank of the application identities under described file by pre-set level decision rule, according toDescribed rank is determined the regular target backup number of determining each cluster in KDFS system by default backup quantityAmount, carries out respectively the backup of described file, Ke Yiwei according to described target backup quantity to described each clusterApplication identities under upload file carries out grade classification, according to different grades in KDFS systemEach cluster carries out respectively the file backup of different backup quantity, can be according to application identities correspondence under fileThe significance level backup quantity of adjusting targeted specifically cluster carry out file backup, what secure documentsMeanwhile, greatly reduce the burden of file backup to disk space.
Embodiment bis-:
The present invention also provides a kind of file backup system based on KDFS system, and Fig. 4 shows thisBenq, in the structural representation of the file backup system embodiment bis-of KDFS system, comprising:
File acquisition module 101, for obtaining user's upload file;
Rank determination module 102, is connected with described file acquisition module 101, for passing through pre-set levelDecision rule is judged the rank of the application identities under described file;
Cluster backup quantity determination module 103, is connected with described rank determination module 102, for basisDescribed rank is determined the regular target backup number of determining each cluster in KDFS system by default backup quantityAmount;
Cluster backup module 104, is connected with described cluster backup quantity determination module 103, for basisDescribed target backup quantity is carried out respectively the backup of described file to described each cluster.
Apply a kind of file backup system based on KDFS system provided by the invention, obtain user and uploadFile, judges the rank of the application identities under described file, according to institute by pre-set level decision ruleState rank and determine the regular target backup quantity of determining each cluster in KDFS system by default backup quantity,Described each cluster is carried out respectively to the backup of described file according to described target backup quantity, can be for uploadingApplication identities under file is carried out grade classification, according to different grades to the each collection in KDFS systemGroup carries out respectively the file backup of different backup quantity, weight that can be corresponding according to application identities under fileThe backup quantity of wanting degree to adjust targeted specifically cluster is carried out file backup, in securing documents,Greatly reduce the burden of file backup to disk space.
Embodiment tri-:
Fig. 5 shows the structural representation of the file backup system embodiment tri-that the present invention is based on KDFS systemFigure, corresponding to Fig. 4, also comprises:
Visitor Logs acquisition module 105, for obtaining Visitor Logs corresponding to described application identities;
Rank adjusting module 106, with described Visitor Logs acquisition module 105 and described cluster backup quantityDetermination module 103 is all connected, and for adjusting rank according to Visitor Logs corresponding to application identities, makes instituteState the work of cluster backup quantity determination module;
File download module 107, with described cluster backup module 104 and described Visitor Logs acquisition module105 are all connected, and download described file for the download instruction that responds user at the cluster of specifying.
The present embodiment system is by obtaining the Visitor Logs of user to file, according to number of users and access timesThe rank of APPID described in adjustment file.
It should be noted that, each embodiment in this description all adopts the mode of going forward one by one to describe, eachWhat embodiment stressed is all and the difference of other embodiment, identical similar between each embodimentPart mutually referring to. For system class embodiment, due to the basic phase of itself and embodiment of the methodSeemingly, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Finally, also it should be noted that, in this article, such as the first and second grades, be related to artLanguage is only used for an entity or operation and another entity or operating space to separate, and not necessarilyRequire or imply the relation or the order that between these entities or operation, have any this reality. AndAnd the bag that term " comprises ", " comprising " or its any other variant are intended to contain nonexcludabilityContain, thereby make to comprise that process, method, article or the equipment of a series of key elements not only comprise thoseKey element, but also comprise other key elements of clearly not listing, or be also included as this process,The key element that method, article or equipment are intrinsic. In the situation that there is no more restrictions, by statementThe key element that " comprising one ... " limits, and be not precluded within comprise described key element process, method,In article or equipment, also there is other identical element.
Above method and system provided by the present invention is described in detail, has applied concrete hereinIndividual example is set forth principle of the present invention and embodiment, and the explanation of above embodiment is just for sideAssistant separates method of the present invention and core concept thereof; Meanwhile, for one of ordinary skill in the art, comply withAccording to thought of the present invention, all will change in specific embodiments and applications, in sum,This description should not be construed as limitation of the present invention.
Claims (10)
1. the file backup method based on KDFS system, is characterized in that, comprising:
Steps A: obtain user's upload file;
Step B: the rank of judging the application identities under described file by pre-set level decision rule;
Step C: determine in KDFS system each by the definite rule of default backup quantity according to described rankThe target backup quantity of cluster;
Step D: described each cluster is carried out respectively to the backup of described file according to described target backup quantity.
2. the file backup method based on KDFS system according to claim 1, is characterized in that,The rank of judging the application identities under described file by pre-set level decision rule comprises:
Judge whether the application identities under described file is stored in priority list, if so, trueApplication identities under fixed described file is priority level, otherwise by corresponding the application identities of all gradingsAccess parameter is descending to sort, when access parameter corresponding to described application identities is in described sequenceWhile being positioned at front the first preset ratio, determine that described application identities is first level, when at described sequence metaIn the time that front the first preset ratio is extremely between front the second preset ratio, determine that described application identities is second level,Before being positioned at, after the second preset ratio time, determine that described application identities is third level in described sequence.
3. the file backup method based on KDFS system according to claim 2, is characterized in that,Described access parameter comprises:
The calling party quantity access times corresponding with described application identities that described application identities is corresponding.
4. the file backup method based on KDFS system according to claim 2, is characterized in that,The target of determining each cluster in KDFS system by the definite rule of default backup quantity according to described rank is standbyUmber amount comprises:
In the time that the application identities under described file is priority level, determine in KDFS system according to instructionThe target backup quantity of each cluster;
In the time that the application identities under described file is first level, determine each cluster in KDFS systemTarget backup quantity is the first predetermined number;
In the time that the application identities under described file is second level, determine the described file place collection of uploadingGroup's target backup quantity is the first predetermined number, determines in KDFS system except the described file institute uploadingThe target backup quantity of other the each clusters outside cluster is and is less than the second default of the first predetermined numberQuantity;
In the time that the application identities under described file is third level, determine each cluster in KDFS systemTarget backup quantity is the second predetermined number.
5. the file backup method based on KDFS system according to claim 1, is characterized in that,Backing up quantity according to described target carries out respectively described each cluster also comprising after the backup of described file:
Obtain Visitor Logs corresponding to described application identities;
Adjust rank according to the Visitor Logs that application identities is corresponding, return to step C.
6. the file backup method based on KDFS system according to claim 1, is characterized in that,Backing up quantity according to described target carries out respectively described each cluster also comprising after the backup of described file:
Response user's download instruction is downloaded described file in the cluster of specifying.
7. the file backup system based on KDFS system, is characterized in that, comprising:
File acquisition module, for obtaining user's upload file;
Rank determination module, is connected with described file acquisition module, for judge rule by pre-set levelJudge the rank of the affiliated application identities of described file;
Cluster backup quantity determination module, is connected with described rank determination module, for according to described levelTong Guo not preset backup quantity and determine the target backup quantity of each cluster in the definite KDFS system of rule;
Cluster backup module, is connected with described cluster backup quantity determination module, for according to described orderMark backup quantity is carried out respectively the backup of described file to described each cluster.
8. the file backup system based on KDFS system according to claim 7, is characterized in that,Also comprise:
Visitor Logs acquisition module, for obtaining Visitor Logs corresponding to described application identities.
9. the file backup system based on KDFS system according to claim 7, is characterized in that,Also comprise:
Rank adjusting module, determines mould with described Visitor Logs acquisition module and described cluster backup quantityPiece is all connected, and for adjusting rank according to Visitor Logs corresponding to application identities, makes described cluster backupThe work of quantity determination module.
10. the file backup system based on KDFS system according to claim 7, its feature existsIn, also comprise:
File download module, is connected with described cluster backup module, for responding user's download instructionIn the cluster of specifying, download described file.
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| CN201510964653.6A CN105608167B (en) | 2015-12-18 | 2015-12-18 | A kind of file backup method and system based on KDFS system |
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| CN201510964653.6A CN105608167B (en) | 2015-12-18 | 2015-12-18 | A kind of file backup method and system based on KDFS system |
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| CN107256183A (en) * | 2017-05-27 | 2017-10-17 | 杭州清本科技有限公司 | The data back up method and computer-readable medium of distributed data base |
| CN109542678A (en) * | 2018-11-07 | 2019-03-29 | 郑州云海信息技术有限公司 | A kind of server key message timed backup method and device |
| CN109782609A (en) * | 2017-11-13 | 2019-05-21 | 广东工业大学 | A kind of intelligent home control system |
| CN110058790A (en) * | 2018-01-18 | 2019-07-26 | 伊姆西Ip控股有限责任公司 | Method, equipment and computer program product for storing data |
| CN110333968A (en) * | 2019-06-12 | 2019-10-15 | 郑州轻工业学院 | Data managing method, device and computer equipment applied to database |
| CN111049870A (en) * | 2018-10-15 | 2020-04-21 | 华为技术有限公司 | Application downloading and sending method, device and system |
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| CN110333968A (en) * | 2019-06-12 | 2019-10-15 | 郑州轻工业学院 | Data managing method, device and computer equipment applied to database |
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