CN106570005A - Database cleaning method and device - Google Patents

Database cleaning method and device Download PDF

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Publication number
CN106570005A
CN106570005A CN201510646205.1A CN201510646205A CN106570005A CN 106570005 A CN106570005 A CN 106570005A CN 201510646205 A CN201510646205 A CN 201510646205A CN 106570005 A CN106570005 A CN 106570005A
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China
Prior art keywords
terminal
data
service server
access service
screening conditions
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Pending
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CN201510646205.1A
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Chinese (zh)
Inventor
单斌
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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Priority to CN201510646205.1A priority Critical patent/CN106570005A/en
Publication of CN106570005A publication Critical patent/CN106570005A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/21Design, administration or maintenance of databases
    • G06F16/214Database migration support
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/21Design, administration or maintenance of databases
    • G06F16/215Improving data quality; Data cleansing, e.g. de-duplication, removing invalid entries or correcting typographical errors

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  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention proposes a database cleaning method, and the method comprises the steps: recording the behavior information that a terminal visits a business server; determining a screening condition of terminal data according to the recorded behavior information; and carrying out the cleaning of the terminal data, meeting the screening condition, in the database. According to the technical scheme of the invention, the method carries out the timely cleaning of useless terminal data in the database according to the actual use condition of the terminal, can improve the access speed of the database, and reduce the business response time.

Description

The method and apparatus of Clean Up Database
Technical field
The application is related to technical field of data processing, more particularly to a kind of method and apparatus of Clean Up Database.
Background technology
With the development of communication technology, people increasingly get used to using the various work of network processes and life Item, the process of these items are typically provided the service server of corresponding service by user by terminal access Come carry out.In the big data epoch, service end would generally future self terminal various information relevant with user deposit Enter in data base, more targetedly serviced to provide the user by analyzing these data.
However, number of users, the growth of the quantity of each user's using terminal and class of business cause data The scale in storehouse is increasingly huge, and the access efficiency of data base declines, and service response slows, Consumer's Experience It is deteriorated.
The content of the invention
In view of this, the application provides a kind of method of Clean Up Database, including:
The behavioural information of record terminal access service server;
Behavioural information according to being recorded determines the screening conditions of terminal data;
Terminal data to screening conditions are met in data base is cleared up.
Present invention also provides a kind of device of Clean Up Database, including:
Behavioural information recording unit, for recording the behavioural information of terminal access service server;
Screening conditions determining unit, for the screening bar of terminal data is determined according to the behavioural information for being recorded Part;
Terminal data clears up unit, clears up for the terminal data to screening conditions are met in data base.
From above technical scheme, in embodiments herein, by recording terminal access business service The behavioural information of device, determines the screening conditions of the terminal data being no longer accessed frequently using behavioural information, And the terminal data to being gone out with this conditional filtering is cleared up, so as to according to user to the actually used of terminal Situation carrys out unwanted terminal data in timely Clean Up Database, it is possible to increase the access speed of data base, Reduce the service response time.
Description of the drawings
Fig. 1 is a kind of flow chart of the method for Clean Up Database in the embodiment of the present application;
Fig. 2 is a kind of network structure of the application application example;
Fig. 3 is a kind of hardware structure diagram of the server of the embodiment of the present application application;
Fig. 4 is a kind of building-block of logic of the device of Clean Up Database in the embodiment of the present application.
Specific embodiment
Nowadays a user often uses several different types of terminals, such as mobile phone, panel computer, notes This etc., Internet Service Provider both provide business service for the terminal of various species, can in its data base The data of various terminals can be included.Each user has different use habits, the access to certain business May be from the first terminal transfer to second terminal, with the first terminal of the user in such data base Related data are generally seldom used or even are no longer accessed.Additionally, user is after changes terminal, data In storehouse, the data related to front terminal is changed also tend to seldom use, or no longer need.
Embodiments herein provides a kind of method of new Clean Up Database, by terminal access business The behavioural information of server is cleared up to which data related to terminal in data base to determine, according to User comes what is frequently need not accessed in timely Clean Up Database to the actually used situation of business in terminal Data, to solve problems of the prior art.
In the embodiment of the present application, mutually may have access to by network between terminal and service server, wherein, Terminal can be mobile phone, panel computer, PC (Personal Computer, PC), notebook Deng equipment;Service server can be a physically or logically server, or by two or two The physically or logically server of different responsibilities, the function of mutually cooperateing with to realize service server are shared more than. It is local that data base can be stored in service server, it is also possible to is stored in the addressable storage of service server In equipment, cloud storage space.The embodiment of the present application to terminal, service server, data base species, And the type of communication network, agreement etc. are not limited between terminal and service server.
In the embodiment of the present application, the flow process of the method for Clean Up Database is as shown in Figure 1.The method is applied can On the server that operated to data base, being service server, or special clearing up The server of data base, can also be that service server combines with the server with other functions Into each step of the embodiment of the present application methods described, do not limit.
Step 110, records the behavioural information of terminal access service server.
When a certain business that user is provided by terminal carrying out service server, terminal can be to business service Device conducts interviews.The various actions information record of terminal access service server can be got off by service end, For example, the type of terminal, terminal iidentification (can uniquely represent the identification code of certain terminal, such as hardware Location), the user account of using terminal, the concrete business item of terminal request, access occur time, It is one or more in asking whether successfully to wait.In practical application scene, service end can be according to step 120 The middle concrete mode for determining screening conditions is determining which behavioural information recorded.
In application scenes, terminal realizes industry using client terminal/server structure with service server Business function.Client application is installed in terminal, user is by the client application in terminal After signing in server, to operating in client application, various specific business are completed Item.In this case, the behavior of terminal access service server had both included that user passed through client application The behavior that program is logged in, the behavior for also being operated including user customer application program.
Service end can write number using the behavioural information of terminal access service server as the list item of tables of data According to storehouse, can be recorded using daily record form, other modes can also be adopted, do not done in the present embodiment Limit.
Step 120, determines the screening conditions of terminal data according to the behavioural information for being recorded.
In practical application scene, can be according to the characteristic of the provided business of service server, user at end Using the factor such as mode of the business determining behavioural information in data base has the terminal of which feature on end Data have no longer been accessed frequently or have no longer been accessed, so as to using these features of behavioural information as end The screening conditions of end data, filter out data to be cleared up.
For example, in some business scenarios, to being usually specific to the terminal that a user uses, if should User exceedes the business that certain hour did not use service server to provide on the terminal, in other words should Terminal did not access service server in nearest certain period of time, then it is considered that the user Changes terminal is more likely to the business is used in other kinds of terminal, now can be from data The data of the terminal are cleaned out in storehouse.In this situation, each terminal can be recorded in step 110 most Time of an access service server afterwards;In step 120, it is determined that last time access service server Terminal of the time before first scheduled time which is, the data of these terminals will be belonged to as screening Condition.
For another example, to the terminal that may be used together by multiple users, certain user does not have more than certain hour The business for using service server to provide on the terminal, in other words the terminal is in nearest certain hour Without service server was accessed with the user account in section, then, for the user account, the terminal is Jing is no longer active terminals, can clean out and belong to the user account and belong to the terminal from data base Data.Under this situation, certain user account can be recorded in step 110 in certain terminal most Time of an access service server afterwards;In step 120, determine which user account in which terminal The time of upper last time access service server, before second scheduled time, will belong to the user account And belong to the data of the terminal as screening conditions.
Step 130, the terminal data to screening conditions are met in data base are cleared up.
It is determined that sieve can be matched according to the record in screening conditions one by one matching database after screening conditions The data for selecting the record of condition as to be cleared up.In embodiments herein, terminal data is cleared up, Can both be to delete to meet the terminal data of screening conditions, or by data base's fullness in the epigastrium and abdomen from data base The Data Migration of sufficient screening conditions so as to discharge the resource of current database, is improved in historical data base Service response speed.
To the less data base of scale, data can be cleared up while screening conditions are matched.And To large database, such as data base to point storehouse point table storage, can be by the screening of data and cleaning point Drive row into, specifically, first carry out the screening of terminal data for clearance, screening bar will be met in data base The index information of the terminal data of part charges to tables of data for clearance;Data scrubbing is carried out again, to number for clearance Cleared up according to the corresponding terminal data of index information in table.The screening and cleaning of data not only can be on time Sequence is carried out respectively, can also be carried out on different servers or server group respectively.For example, to by wrapping The server group of N (natural number more than 1) individual main frame is included carrying out the situation of data scrubbing, can be by Tables of data for clearance is divided into N parts, and per part is transferred to a main frame to carry out number of terminals corresponding to wherein index information According to being cleared up.
It should be noted that in the present embodiment, step 110 persistently can be carried out, and step 120 and 130 Then can perform once when meeting pre-conditioned, for example, be performed with the fixed cycle;For another example data are worked as Perform once when the size in storehouse exceedes to a certain degree.
It can be seen that, in embodiments herein, the behavioural information of terminal access service server is recorded, Behavioural information reflects actually used situation of the user to business in terminal, will no longer according to behavioural information The terminal data for being frequently used or being no longer used cleans out data base such that it is able to according to the reality of terminal Border service condition improves the access speed and industry of data base reducing the scale of terminal data in data base Business response speed, improves Consumer's Experience.
During example is applied at one of the application, user passes through the App (application program) installed in terminal, That is client application is conducting interviews to service server.A kind of networking structure of this application example is such as Shown in Fig. 2, wherein, application server is the cluster for including 50 main frames.
When terminal App access service server, the behavioural information of terminal access is write by service server Terminal behavior daily record.The terminal access behavior of service server record includes the row that user is logged in by App For, and operations of the user in App, specific behavioural information include user account, terminal iidentification, The business item (include log in and specific business operation) of user's request, access time etc..
In addition, service server needs read-write with a point storehouse when some the business items for responding terminal are asked Divide the Service Database of sheet form storage, inquire about, write and/or change terminal data therein.
Screening server with some cycles (such as one month or three months) reading terminals user behaviors log, therefrom Extract the time of each user account last time access service server in once used terminal. User 1 is for example recorded in terminal behavior daily record and once used terminal A, terminal B and terminal C, screened Server analyzes the time of 1 last time using terminal A of user from daily record for, before one day, user 1 The time of last time using terminal B is the time of 1 last time using terminal C of user before 108 days Before 153 days.
In assuming this application example, if certain user account had not used certain terminal access business in 90 days Server, then it is assumed that be no longer active terminals for the terminal-pair user account, belonged to the user Account and belong to the business datum of the terminal and can remove Service Database, then screening server will be last User account of the time of access service server before 90 days and its terminal that uses are used as screening Condition, for example, belong to user 1 and belong to the business datum of terminal B or belong to user 1 and belong to The business datum of terminal C, meets one of them and as meets screening conditions.
In screening server lookup Service Database, the data related to terminal, will meet the number of screening conditions According to index information write in tables of data for clearance.In traversal Service Database after the data related to terminal, The tables of data for clearance for generating is divided into 40 parts by screening server, is flowed back in service server cluster respectively 40 main frames.
The idle period of the main frame in Operational Visit of part tables of data for clearance is received in service server cluster, According to index information in the part tables of data for clearance for receiving, by corresponding terminal data in Service Database Move to from Service Database in historical data base (not shown in Fig. 2).So, inactive terminal Business datum can in time from Service Database remove, so as to reduce the quantity of Service Database, Accelerate service response speed.
Corresponding with the realization of above-mentioned flow process, embodiments herein additionally provides clear on a kind of application server The device of reason data base.The device can be realized by software, it is also possible to tied by hardware or software and hardware The mode of conjunction is realized.As a example by implemented in software, as the device on logical meaning, it is by server Corresponding computer program instructions are read interior by CPU (Central Process Unit, central processing unit) Deposit what middle operation was formed.From for hardware view, except the CPU shown in Fig. 3, internal memory and non-volatile Property memorizer outside, the server that the device of Clean Up Database is located generally also is included for realizing that network leads to Other hardware such as board of telecommunication function.
Fig. 4 show a kind of device of Clean Up Database of the present embodiment offer, including behavioural information record Unit, screening conditions determining unit and terminal data cleaning unit, wherein:Behavioural information recording unit is used In the behavioural information of record terminal access service server;Screening conditions determining unit is for according to being recorded Behavioural information determine the screening conditions of terminal data;Terminal data clears up unit for data base's fullness in the epigastrium and abdomen The terminal data of sufficient screening conditions is cleared up.
Optionally, the behavioural information of the access service server includes:Terminal last time access service The time of server;The screening conditions include:Belong to the data of certain terminal, affiliated terminal last The time of secondary access service server is before the first predetermined instant.
Optionally, the behavioural information of the access service server includes:User account is last in terminal The time of access service server;The screening conditions include:Belong to certain user account and belong to In the data of certain terminal, owning user account last time access service server in affiliated terminal Time is before the second predetermined instant.
Optionally, the terminal is visited to service server by the client application installed thereon Ask;The behavior of the access service server includes:The behavior that user is logged in by client application, The behavior operated with user customer application program.
In one example, the terminal data cleaning unit includes data directory generation module and index flush Module, wherein:Data directory generation module is for the terminal data by screening conditions are met in data base Index information charges to tables of data for clearance;Index flush module is for index information in tables of data for clearance Corresponding terminal data is cleared up.
In previous example, the index flush module specifically for:Tables of data for clearance is divided into into N parts, Respectively the corresponding terminal data of index information in a copy of it is cleared up by N number of main frame;N be more than 1 integer.
Optionally, terminal data cleaning unit specifically for:Screening conditions are met in deleting data base Terminal data, or the Data Migration of screening conditions will be met in data base in historical data base.
The preferred embodiment of the application is the foregoing is only, it is not to limit the application, all at this Within the spirit and principle of application, any modification, equivalent substitution and improvements done etc. should be included in Within the scope of the application protection.
In a typical configuration, computing device includes one or more processors (CPU), input/output Interface, network interface and internal memory.
Internal memory potentially includes the volatile memory in computer-readable medium, random access memory And/or the form, such as read only memory (ROM) or flash memory (flash RAM) such as Nonvolatile memory (RAM). Internal memory is the example of computer-readable medium.
Computer-readable medium include permanent and non-permanent, removable and non-removable media can by appoint What method or technique is realizing information Store.Information can be computer-readable instruction, data structure, program Module or other data.The example of the storage medium of computer include, but are not limited to phase transition internal memory (PRAM), Static RAM (SRAM), dynamic random access memory (DRAM), it is other kinds of with Machine access memorizer (RAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read only memory (CD-ROM), Digital versatile disc (DVD) or other optical storages, magnetic cassette tape, tape magnetic rigid disk are stored or which His magnetic storage apparatus or any other non-transmission medium, can be used to store the letter that can be accessed by a computing device Breath.Define according to herein, computer-readable medium does not include temporary computer readable media (transitory Media), such as the data signal and carrier wave of modulation.
Also, it should be noted that term " including ", "comprising" or its any other variant be intended to it is non- Exclusiveness is included, so that a series of process, method, commodity or equipment including key elements is not only wrapped Include those key elements, but also including other key elements being not expressly set out, or also include for this process, The intrinsic key element of method, commodity or equipment.In the absence of more restrictions, " included by sentence One ... " key element that limits, it is not excluded that in the process including the key element, method, commodity or set Also there is other identical element in standby.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer journey Sequence product.Therefore, the application can using complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.And, the application can wherein include calculating using at one or more Machine usable program code computer-usable storage medium (including but not limited to disk memory, CD-ROM, Optical memory etc.) on the form of computer program implemented.

Claims (14)

1. a kind of method of Clean Up Database, it is characterised in that include:
The behavioural information of record terminal access service server;
Behavioural information according to being recorded determines the screening conditions of terminal data;
Terminal data to screening conditions are met in data base is cleared up.
2. method according to claim 1, it is characterised in that the row of the access service server Include for information:The time of terminal last time access service server;
The screening conditions include:Belong to the data of certain terminal, affiliated terminal last time access service The time of server is before the first predetermined instant.
3. method according to claim 1, it is characterised in that the row of the access service server Include for information:The time of user account last time access service server in terminal;
The screening conditions include:Belong to certain user account and belong to the data of certain terminal, it is affiliated The time of user account last time access service server in affiliated terminal is before the second predetermined instant.
4. the method according to claims 1 to 3 any one, it is characterised in that the terminal is led to Cross the client application installed thereon to conduct interviews service server;
The behavior of the access service server includes:The behavior that user is logged in by client application, The behavior operated with user customer application program.
5. method according to claim 1, it is characterised in that described to screening is met in data base The terminal data of condition is cleared up, including:
The index information that the terminal data of screening conditions is met in data base is charged to into tables of data for clearance;
The corresponding terminal data of index information in tables of data for clearance is cleared up.
6. method according to claim 5, it is characterised in that described to rope in tables of data for clearance Fuse ceases corresponding terminal data and is cleared up, including:Tables of data for clearance is divided into into N parts, by N number of Main frame is cleared up to the corresponding terminal data of index information in a copy of it respectively;N is whole more than 1 Number.
7. method according to claim 1, it is characterised in that described to screening is met in data base The terminal data of condition is cleared up, including:The terminal data of screening conditions is met in deleting data base, Or the Data Migration of screening conditions will be met in data base in historical data base.
8. a kind of device of Clean Up Database, it is characterised in that include:
Behavioural information recording unit, for recording the behavioural information of terminal access service server;
Screening conditions determining unit, for the screening bar of terminal data is determined according to the behavioural information for being recorded Part;
Terminal data clears up unit, clears up for the terminal data to screening conditions are met in data base.
9. device according to claim 8, it is characterised in that the row of the access service server Include for information:The time of terminal last time access service server;
The screening conditions include:Belong to the data of certain terminal, affiliated terminal last time access service The time of server is before the first predetermined instant.
10. device according to claim 8, it is characterised in that the access service server Behavioural information includes:The time of user account last time access service server in terminal;
The screening conditions include:Belong to certain user account and belong to the data of certain terminal, it is affiliated The time of user account last time access service server in affiliated terminal is before the second predetermined instant.
11. devices according to claim 8 to 10 any one, it is characterised in that the terminal Service server is conducted interviews by the client application installed thereon;
The behavior of the access service server includes:The behavior that user is logged in by client application, The behavior operated with user customer application program.
12. devices according to claim 8, it is characterised in that the terminal data clears up unit Including:
Data directory generation module, the index for the terminal data by screening conditions are met in data base are believed Breath charges to tables of data for clearance;
Index flush module, for carrying out clearly to the corresponding terminal data of index information in tables of data for clearance Reason.
13. devices according to claim 12, it is characterised in that the index flush module is concrete For:Tables of data for clearance is divided into into N parts, by N number of main frame respectively to index information pair in a copy of it The terminal data answered is cleared up;N is the integer more than 1.
14. devices according to claim 8, it is characterised in that the terminal data clears up unit Specifically for:The terminal data of screening conditions is met in deleting data base, or screening will be met in data base The Data Migration of condition is in historical data base.
CN201510646205.1A 2015-10-08 2015-10-08 Database cleaning method and device Pending CN106570005A (en)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN110096498A (en) * 2019-03-28 2019-08-06 阿里巴巴集团控股有限公司 A kind of data cleaning method and device
CN110830508A (en) * 2019-12-02 2020-02-21 成都安恒信息技术有限公司 Zombie account management method based on operation and maintenance auditing system
CN112486966A (en) * 2020-11-26 2021-03-12 中国国家铁路集团有限公司 Expired data cleaning method and device and electronic equipment
CN113094126A (en) * 2019-12-23 2021-07-09 华为技术有限公司 Window processing method for terminal application, application server, terminal and storage medium
CN113111055A (en) * 2021-04-19 2021-07-13 中国工商银行股份有限公司 Data cleaning method and device for data table

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CN104660686A (en) * 2015-02-03 2015-05-27 北京汉柏科技有限公司 Virtual user migration method and device

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CN1559035A (en) * 2001-09-26 2004-12-29 Emc Efficient search for migration and purge candidates
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Publication number Priority date Publication date Assignee Title
CN110096498A (en) * 2019-03-28 2019-08-06 阿里巴巴集团控股有限公司 A kind of data cleaning method and device
CN110830508A (en) * 2019-12-02 2020-02-21 成都安恒信息技术有限公司 Zombie account management method based on operation and maintenance auditing system
CN110830508B (en) * 2019-12-02 2021-08-20 成都安恒信息技术有限公司 Zombie account management method based on operation and maintenance auditing system
CN113094126A (en) * 2019-12-23 2021-07-09 华为技术有限公司 Window processing method for terminal application, application server, terminal and storage medium
CN112486966A (en) * 2020-11-26 2021-03-12 中国国家铁路集团有限公司 Expired data cleaning method and device and electronic equipment
CN113111055A (en) * 2021-04-19 2021-07-13 中国工商银行股份有限公司 Data cleaning method and device for data table

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Application publication date: 20170419