CN101702158A - Index file creation synchronized method and search system - Google Patents
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Abstract
Te invention relates to the search technology, and provides an index file creation synchronized method and a search system aiming at the disadvantages that the existing index construction program occupies more system resources; the index file creation synchronized method comprises the following steps: an index creation command is received, service identification is extracted, and a source service document is read under the corresponding source directory; when the source service document and a target service document are judged to be different, the target service document is updated according to the source service document; a source index file is generated for the updated target service document, and a target index file is updated according to the source index file; an index server leads the updated target index file to be copied to a local virtual directory of an index file storage directory, which is attached to a search server by SSHFS progress, so as to lead the target index file to be transferred to the index file storage directory. The invention further provides a search system; the index creation and synchronization efficiency can be effectively improved and the operating complexity is reduced.
Description
Technical field
The present invention relates to search technique, more particularly, relate to a kind of index file creation synchronized method and search system.
Background technology
Along with the maturation day by day of digital information memory technology, the full-text search of information has obtained using widely.From internet search engine, to the library book search, the application of information global search technology is seen everywhere.
In the face of huge information bank,, often need the information architecture index for improving the efficient of full-text search.With the internet search engine is example, and search engine companies must be to a large amount of web data index buildings that excavate every day, could ensure that every day, number was responded fast in necessarily Webpage search request.Yet existing index structuring method often needs to take a large amount of system resource, for large database, often needs to dispose special indexing apparatus and comes execution index to make up task.
In the prior art, finish the index construct task by the configuration index server.In this case, concrete search mission (be about to the key word of input and the index of structure and mate, with the output Search Results) will be finished by special search server.
Because index file often upgrades, therefore need be between index server and search server index file synchronously.Prior art adopts the FTP load mode to come synchronous index file usually.Although can finish the transmission task of index file, there are many defectives in the FTP load mode.For example, at first, the FTP load mode need be carried out comparatively complicated FTP configuration.Secondly, in concrete use, the FTP load mode need be carried out the application layer operation of series of interactive.Once more, the FTP load mode all needs to carry out password authentification before each transport process begins, and can begin to transmit being proved to be successful the rear, if the FTP authentication password for example changes through revising, then transmit leg can't re-use original password and carries out file and transmit.This shows that the operating process of FTP load mode is very complicated.
Therefore, need a kind of index file to make up synchronization scenario, to solve the defective of the index file constructing plan excessive occupied system resources that exists among the prior art and existing index file synchronization scenario operating process relative complex based on the FTP load mode.
Summary of the invention
The technical problem to be solved in the present invention is, defective at existing index construct scheme excessive occupied system resources and existing index file synchronization scenario operating process relative complex based on the FTP load mode provides a kind of index file creation synchronized method and search system.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of index file creation synchronized method, comprising:
Foundation step comprises:
S1, index server reception hint update command are extracted the service identification that wherein comprises, and read the source service scripts under source directory this service identification correspondence, that be positioned at this locality;
S2, the target service file of index server under the source service scripts target directory corresponding with this service identification, that be positioned at this locality that judgement is read upgrade described target service file according to described source service scripts not simultaneously;
S3, index server generate index file for the target service file after upgrading, and according to this index file index file described service identification correspondence, that be positioned under the first local index file catalogue are upgraded;
Synchronizing step comprises:
Index file after index server is carried out and will be upgraded copies to by the SSHFS process and is articulated to operation under the local virtual catalogue of the second index file catalogue on the search server, is sent under the second index file catalogue on the described search server with the index file after will upgrading by the SSHFS process.
In index file creation synchronized method provided by the invention, described index upgrade order is triggered during the time in the index upgrade that arrives described service identification correspondence.
In index file creation synchronized method provided by the invention, in described foundation step, in described step S2, under following situation, judge that described source service scripts is different with described target service file:
The MD5 proof test value of described source service scripts is different with the MD5 proof test value of described target service file;
The modification time of described source service scripts and the asynchronism(-nization) of described target service file modifying;
The file size of described source service scripts is different with the file size of described target service file.
In index file creation synchronized method provided by the invention, described synchronizing step specifically comprises and stabbing the update time of the index file after described index server is based on described renewal, execution copies under the described local virtual catalogue this index file by the operation under the sub-directory that stabs sign this update time, under the sub-directory that stamp identifies by this update time under the second index file catalogue that this index file is sent to described search server by described SSHFS process.
In index file creation synchronized method provided by the invention, in described synchronizing step, after the index file after described renewal duplicated and finishes, described method comprised that also described index server sends to described search server and finishes notice.
The present invention also provides a kind of search system, comprising:
Search server, it is provided with the second index file catalogue;
Index server communicates to connect with search server, is used to carry out following operation:
Creation operation comprises:
The reception hint update command is extracted the service identification that wherein comprises, and reads the source service scripts under source directory this service identification correspondence, that be positioned at this locality;
Target service file under the source service scripts target directory corresponding with this service identification, that be positioned at this locality that judgement is read upgrades described target service file according to described source service scripts not simultaneously;
For the target service file after upgrading generates index file, index file described service identification correspondence, that be positioned under the first local index file catalogue is upgraded according to this index file;
Synchronous operation comprises:
Index file after execution will be upgraded copies to by the SSHFS process and is articulated to operation under the local virtual catalogue of the second index file catalogue on the search server, is sent under the second index file catalogue on the described search server with the index file after will upgrading by the SSHFS process.
In search system provided by the invention, described index upgrade order is triggered during the time in the index upgrade that arrives described service identification correspondence.
In search system provided by the invention, described index server is used for when detecting following situation, judges that described source service scripts is different with described target service file:
The MD5 proof test value of described source service scripts is different with the MD5 proof test value of described target service file;
The modification time of described source service scripts and the asynchronism(-nization) of described target service file modifying;
The file size of described source service scripts is different with the file size of described target service file.
In search system provided by the invention, described index server is used for based on stabbing the update time of the index file after the described renewal, execution copies under the described local virtual catalogue this index file by the operation under the sub-directory that stabs sign this update time, under the sub-directory that stamp identifies by this update time under the second index file catalogue that this index file is sent to described search server by described SSHFS process.
In search system provided by the invention, described index server be used for index file after described renewal duplicate finish after, send to described search server and to finish notice.
Implement technical scheme of the present invention, have following beneficial effect: in index file creation synchronized method provided by the invention and search system, judge at first whether the service scripts of index to be created variation has taken place.Based on judged result, only when service scripts changes, just to this service scripts index building.Thus, just can promptly only create index, so just can reduce the execution density of index construct work greatly, overcome the defective of existing index construct scheme excessive occupied system resources the selectable index building of service scripts to the service scripts that changes.
In addition, index server is by calling the SSHFS process, and the local virtual catalogue is articulated to index file storage directory on the search server.Thus, index server just can come by the SSHFS process index file to be sent to search server by index file being copied to the mode of local virtual catalogue.SSHFS only need carry out simple command operation can finish articulating of catalogue, and synchronizing process only need be carried out simple file copy; Because the SSHFS load mode is to be based upon on the basis of SSH, therefore in case a machine to an other machine mandate, finish catalogue and articulate, the influence that then follow-up file transfers is not modified by the SSH account password.This shows that the index file synchronization scenario operating process based on the SSHFS mode provided by the invention is simple, is easy to left-hand seat, and the transmission efficiency height.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the logical organization synoptic diagram according to the search system applied environment of a preferred embodiment of the present invention;
Fig. 2 is the process flow diagram according to the index creation method of a preferred embodiment of the present invention
Fig. 3 is the process flow diagram according to the index creation method of another preferred embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The invention provides in a kind of index file creation synchronized method and the search system, judge at first whether the service scripts of index to be created variation has taken place.Based on judged result, only when service scripts changes, just to this service scripts index building.Thus, just can promptly only create index, so just can reduce the execution density of index construct work greatly, overcome the defective of existing index construct scheme excessive occupied system resources the selectable index building of service scripts to the service scripts that changes.In addition, index server is by calling the SSHFS process, and the local virtual catalogue is articulated to index file storage directory on the search server.Thus, index server just can come by the SSHFS process index file to be sent to search server by index file being copied to the mode of local virtual catalogue.SSHFS only need carry out simple command operation can finish articulating of catalogue, and synchronizing process only need be carried out simple file copy; Because the SSHFS load mode is to be based upon on the basis of SSH, therefore in case a machine to an other machine mandate, finish catalogue and articulate, the influence that then follow-up file transfers is not modified by the SSH account password.This shows that the index file synchronization scenario operating process based on the SSHFS mode provided by the invention is simple, is easy to left-hand seat, and the transmission efficiency height.Below just come technical scheme provided by the invention is described in detail with specific embodiment in conjunction with the accompanying drawings.
The service creation index that provides for the service provider is provided technical scheme provided by the invention.The business that the service provider provides can be summarized and is divided into polytype, such as but not limited to picture business, novel business, music services, video traffic, game service, theme business, software operation and animation business or the like.For ease of the user search corresponding service, the service provider need be to its professional index building that provides.And in the specific implementation process, the service provider comes belonging to all professional index buildings of the type according to the type of business.Every business is corresponding one description document of describing this business tine all.In this description document with a plurality of attributes such as the title of this business, type, brief introduction, provider, business release, price, thumbnail, download address, author, special editions.In the index building process, for each type of service, the service provider at first generates the service scripts that comprises all professional property files that belong to this type of service, and one service identification is set for this service scripts.Be this service scripts index building at attribute mentioned above (i.e. Ye Wu title, type, brief introduction, provider, business release, price, thumbnail, download address, author, special edition etc.) then.In concrete application process, (for example some professional upgrade perhaps additions and deletions business) Shi Caihui renewal that changes of general only some business among such business of the professional corresponding service file of every class.
Fig. 1 is the logical organization synoptic diagram according to the search system applied environment 100 of a preferred embodiment of the present invention.As shown in Figure 1, wherein show communication terminal 102,104 and 106, and search system 110.Wherein, communication terminal 102,104 and 106 communicates to connect by internet 108 and search system 110, and search system 110 further comprises search server 112 and index server 114, and wherein, search server 112 and index server 114 communicate to connect.
Communication terminal 106 can be a mobile communication terminal, such as but not limited to notebook.
In the specific implementation process, index server 114 and search server 112 are realized articulating of particular category each other by carrying out SSHFS (Secure SHell FileSystem, Secure Shell file system) process.The SSHFS process runs on UNIX and the (SuSE) Linux OS.
In the specific implementation process, index server 114 also can be used for stabbing based on the rise time of index file, execution copies under the local virtual catalogue index file that generates by the operation under the sub-directory of this rise time stamp sign, to be stabbed under the sub-directory of sign by this rise time under the second index file catalogue that the index file that generates is sent to search server 112 by the SSHFS process.In addition, index server 114 also be used for index file in described generation duplicate finish after, send to search server 112 and to finish notice.
For every class was professional, its scope of business and business item may change, and cause its service scripts also to change thus.When service scripts changes, new service scripts will cover in the index server 114 original source service scripts under the source directory, and promptly the source service scripts upgrades, and causes the source service scripts different with the target service file thus.In this case, need regenerate index file to the source service scripts after upgrading.Below just the operation of index server 114 in this process and search server 112 is described.
At this moment, the pairing service identification of service scripts that comprises a certain class business that to upgrade its index in this index upgrade order.
In the specific implementation process, can adopt wherein at least a of following method to judge whether the source service scripts is identical with the target service file:
Be respectively source service scripts and target service file and generate the MD5 check code, judge then whether the MD5 check code of source service scripts and target service file is identical.If the two is identical, then the source service scripts is identical with the target service file, otherwise the source service scripts is different with the target service file;
Judge whether source service scripts and target service file modifying time is identical.If the two is identical, then the source service scripts is identical with the target service file, otherwise the source service scripts is different with the target service file;
Whether the file size of judging source service scripts and target service file is identical.If the two is identical, then the source service scripts is identical with the target service file, otherwise the source service scripts is different with the target service file.
In the specific implementation process, index server 114 also can be used for based on stabbing the update time of index file, execution copies under the local virtual catalogue index file that upgrades by the sub-directory that stabs sign this update time operation down, with under the second index file catalogue that the index file that upgrades is sent to search server 112 by the SSHFS process by stabbing under the sub-directory that identifies this update time.In addition, index server 114 also be used for index file in described renewal duplicate finish after, send to search server 112 and to finish notice.
It should be noted that in the specific implementation process communication terminal 102,104 and 106 also can adopt other modes to link to each other with search system 110.
In conjunction with Fig. 2 and Fig. 3 the above establishment and the update method of index file are described respectively below.Can be seen from the foregoing, the establishment of index file and renewal are finished by index server.
Fig. 2 is the process flow diagram according to the index creation method 200 of a preferred embodiment of the present invention.As shown in Figure 2, method 200 starts from step 202.
Subsequently, at next step 204, reception hint is created order, extracts the service identification that wherein comprises.When receiving new service scripts (for example increased a new class business and caused newly-increased new service scripts), an index creation order (for example operating personnel send the index creation order) is sent in triggering, comprise this new business file corresponding service sign among this index creation order.The service scripts that newly receives will be stored under the source directory of this service identification correspondence as the source service scripts, and wherein source directory is specifically designed to storage source service scripts.
Subsequently, at next step 206, for this service identification generates corresponding target directory and index file catalogue.In the specific implementation process,, this service identification all can name according to this service identification for generating corresponding target directory and index file catalogue.
Subsequently, at next step 208, under the source directory of the service identification correspondence of extracting, read the source service scripts.
Subsequently, at next step 210, the source service scripts that reads is arrived under the target directory that generates for this service identification as the target service file storage.
Subsequently, at next step 212, for this target service file generates index file and stores under the index file catalogue that generates into this service identification, wherein the index file catalogue is specifically designed to the storage index file.The particular content of relevant generation index file has been done among prior art clearly and has been described, and therefore repeats no more herein.
At last, method 200 ends at step 214.
For every class was professional, its scope of business and business item may change, and cause its service scripts also to change thus.When service scripts changes, new service scripts will cover original source service scripts, and promptly the source service scripts upgrades, and cause the source service scripts different with the target service file thus.In this case, need regenerate index file to this business.Below just this process is described in detail in conjunction with Fig. 2.
Fig. 3 is the process flow diagram according to the index creation method 300 of another preferred embodiment of the present invention.As shown in Figure 3, method 300 starts from step 302.
Subsequently, at next step 304, the reception hint update command is extracted the service identification that wherein comprises.In the specific implementation process, the index upgrade order can be triggered during the time in the index upgrade that arrives a certain class professional or a certain service scripts (being the service identification correspondence), is perhaps triggered by administrator hand.
At this moment, the pairing service identification of service scripts that comprises a certain class business that to upgrade its index in this index upgrade order.
Subsequently, at next step 306, under the source directory of this service identification correspondence, read the source service scripts.
Subsequently, at next step 308, judge the source service scripts read and the index of extraction identify the target service file under the corresponding target directory whether identical, if then forward step 316 to, otherwise forward step 310 to.As indicated above, when service scripts changes, the source service scripts will be updated, and cause the source service scripts different with the target service file thus.
In the specific implementation process, can adopt wherein at least a of following method to judge whether the source service scripts is identical with the target service file:
Be respectively source service scripts and target service file and generate the MD5 check code, judge then whether the MD5 check code of source service scripts and target service file is identical.If the two is identical, then the source service scripts is identical with the target service file, otherwise the source service scripts is different with the target service file;
Judge whether source service scripts and target service file modifying time is identical.If the two is identical, then the source service scripts is identical with the target service file, otherwise the source service scripts is different with the target service file;
Whether the file size of judging source service scripts and target service file is identical.If the two is identical, then the source service scripts is identical with the target service file, otherwise the source service scripts is different with the target service file.
In the specific implementation process, because there are relation one to one in MD5 check code and service scripts, i.e. service scripts difference, then also difference of its MD5 check code.Therefore, the accuracy when judging that based on the MD5 check code source service scripts and target service file be whether identical is higher.
As indicated above, if judge that in step 308 the source service scripts is different with the target service file, then forward step 310 to, according to the source service scripts target service file is upgraded, forward step 312 then to.
Subsequently, at next step 312,, forward step 314 then to for the target service file after upgrading generates index file.About the concrete generation method and the correlation technique of index file have been done clearly description among prior art, so this paper repeats no more.
Subsequently, at next step 314, the index file under the index file catalogue of service identification correspondence is upgraded according to the index file that generates.
At last, method 300 ends at step 316.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an index file creation synchronized method is characterized in that, comprising:
Foundation step comprises:
S1, index server reception hint update command are extracted the service identification that wherein comprises, and read the source service scripts under source directory this service identification correspondence, that be positioned at this locality;
S2, the target service file of index server under the source service scripts target directory corresponding with this service identification, that be positioned at this locality that judgement is read upgrade described target service file according to described source service scripts not simultaneously;
S3, index server generate index file for the target service file after upgrading, and according to this index file index file described service identification correspondence, that be positioned under the first local index file catalogue are upgraded;
Synchronizing step comprises:
Index file after index server is carried out and will be upgraded copies to by the SSHFS process and is articulated to operation under the local virtual catalogue of the second index file catalogue on the search server, is sent under the second index file catalogue on the described search server with the index file after will upgrading by the SSHFS process.
2. index file creation synchronized method according to claim 1 is characterized in that, described index upgrade order is triggered during the time in the index upgrade that arrives described service identification correspondence.
3. index file creation synchronized method according to claim 1 and 2 is characterized in that, in described foundation step, in described step S2, under following situation, judges that described source service scripts is different with described target service file:
The MD5 proof test value of described source service scripts is different with the MD5 proof test value of described target service file;
The modification time of described source service scripts and the asynchronism(-nization) of described target service file modifying;
The file size of described source service scripts is different with the file size of described target service file.
4. index file creation synchronized method according to claim 1, it is characterized in that, described synchronizing step specifically comprises and stabbing the update time of the index file after described index server is based on described renewal, execution copies under the described local virtual catalogue this index file by the operation under the sub-directory that stabs sign this update time, under the sub-directory that stamp identifies by this update time under the second index file catalogue that this index file is sent to described search server by described SSHFS process.
5. index file creation synchronized method according to claim 1, it is characterized in that, in described synchronizing step, after the index file after described renewal duplicates and finishes, described method comprises that also described index server sends to described search server and finishes notice.
6. a search system is characterized in that, comprising:
Search server, it is provided with the second index file catalogue;
Index server communicates to connect with search server, is used to carry out following operation:
Creation operation comprises:
The reception hint update command is extracted the service identification that wherein comprises, and reads the source service scripts under source directory this service identification correspondence, that be positioned at this locality;
Target service file under the source service scripts target directory corresponding with this service identification, that be positioned at this locality that judgement is read upgrades described target service file according to described source service scripts not simultaneously;
For the target service file after upgrading generates index file, index file described service identification correspondence, that be positioned under the first local index file catalogue is upgraded according to this index file;
Synchronous operation comprises:
Index file after execution will be upgraded copies to by the SSHFS process and is articulated to operation under the local virtual catalogue of the second index file catalogue on the search server, is sent under the second index file catalogue on the described search server with the index file after will upgrading by the SSHFS process.
7. search system according to claim 6 is characterized in that, described index upgrade order is triggered during the time in the index upgrade that arrives described service identification correspondence.
8. according to claim 6 or 7 described search systems, it is characterized in that described index server is used for when detecting following situation, judge that described source service scripts is different with described target service file:
The MD5 proof test value of described source service scripts is different with the MD5 proof test value of described target service file;
The modification time of described source service scripts and the asynchronism(-nization) of described target service file modifying;
The file size of described source service scripts is different with the file size of described target service file.
9. search system according to claim 6, it is characterized in that, described index server is used for based on stabbing the update time of the index file after the described renewal, execution copies under the described local virtual catalogue this index file by the operation under the sub-directory that stabs sign this update time, under the sub-directory that stamp identifies by this update time under the second index file catalogue that this index file is sent to described search server by described SSHFS process.
10. search system according to claim 6 is characterized in that, described index server be used for index file after described renewal duplicate finish after, send to described search server and to finish notice.
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| WO2011160553A1 (en) * | 2010-06-24 | 2011-12-29 | 中兴通讯股份有限公司 | Method and system for data synchronization in internet protocol television |
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| CN107451239A (en) * | 2017-07-26 | 2017-12-08 | 深圳Tcl新技术有限公司 | Linux terminal and its file index method, computer-readable recording medium |
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| CN111104529A (en) * | 2018-10-26 | 2020-05-05 | 深圳云天励飞技术有限公司 | Index file control method and device and electronic equipment |
| CN111104529B (en) * | 2018-10-26 | 2024-03-29 | 深圳云天励飞技术有限公司 | Index file control method and device and electronic equipment |
| CN109739887A (en) * | 2018-12-21 | 2019-05-10 | 平安科技（深圳）有限公司 | Synchronous task searching method, system, device and readable storage medium storing program for executing |
| WO2023207280A1 (en) * | 2022-04-28 | 2023-11-02 | 华为技术有限公司 | Data recovery method and related apparatus |
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