CN109783444A - Multichannel file index method, device, computer equipment and storage medium - Google Patents
Multichannel file index method, device, computer equipment and storage medium Download PDFInfo
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Abstract
This application involves a kind of multichannel file index method, device, computer equipment and storage mediums.The described method includes: detecting data more new information in interim table；According to the data more new information, master index file approach is closed, is started from index file channel；More new data in the interim table is obtained by the master index file approach, master index file is updated；Wherein, described to be used to carry out file polling from index file channel.Data query and the real-time that data update can be guaranteed using this method.
Description
Technical field
This application involves field of computer technology, more particularly to a kind of multichannel file index method, device, computer
Equipment and storage medium.
Background technique
With the development of internet technology, requirement of the people to data search performance is higher and higher, in order to from mass data
There is Lucene index technology to file destination in fast search, and the search efficiency of file is improved by distributed search.
Lucene is the full text information retrieval kit based on Java, its not instead of complete search for application, one
The framework of a full-text search engine provides complete query engine and index engine.The purpose of Lucene is for software development
Personnel provide a kit easy to use, with easily in goal systems realize full-text search function, or with
Complete full-text search engine is set up based on this, the search of multiple rule is supported in most of search applications for being used for system,
Such as spelling search, simplicity search.Based on current Lucene index technology, when file is inquired in user demand, from a class
It is directly inquired like (index) of text file, without contacting any database, to guarantee the accuracy and real-time of data.
However, when carrying out file polling by index, it, can not when can not carry out data update, or carry out data update
File polling is carried out, not can guarantee the real-time of data query.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of multichannel that can guarantee data query real-time
File index method, device, computer equipment and storage medium.
A kind of multichannel file index method, which comprises
Detect data more new information in interim table；
According to the data more new information, master index file approach is closed, is started from index file channel；
More new data in the interim table is obtained by the master index file approach, master index file is updated；
Wherein, described to be used to carry out file polling from index file channel.
More new data in the interim table is being obtained by the master index file approach in one of the embodiments,
After being updated to master index file, comprising:
It receives the master index file and is updated successfully information；
It is updated successfully information according to described, opens the master index file approach, is closed described from index file channel；
More new data in the interim table is obtained from index file channel by described, is updated to from index file；
Wherein, the master index file approach is for carrying out file polling.
It is described in one of the embodiments, to be at least one from index file channel.
Described be updated to index file includes: in the catalogue of indexed file to institute in one of the embodiments,
It states more new data and adds new entry, the index file includes master index file and from index file；It is protected in the new entry
Deposit the address of more new data in the database, wherein the new entry is for inquiring the more new data.
In one of the embodiments, the method also includes: judge whether current time is catalogue renewal time；If
Current time is catalogue renewal time, is updated to the catalogue of the index file；Wherein described update includes: by the mesh
Entry in record is merged into same and deletes now and/or by the entry in the catalogue.
The index file includes directory associates source file, segmenter, index configurations information in one of the embodiments,
At least one of document is stored with Pinyin information.
In one of the embodiments, the method also includes: word segmentation regulation predetermined is obtained according to querying condition；
The file is inquired according to the word segmentation regulation.
A kind of multichannel file index device, described device include:
Data update detection module, for detecting data more new information in interim table；
Channel selecting module, for closing master index file approach according to the data more new information, starting is literary from index
Part channel；
Update module, for obtaining more new data in the interim table by the master index file approach, to master index
File is updated；
Wherein, described to be used to carry out file polling from index file channel.
A kind of computer equipment, including memory and processor, the memory are stored with computer program, the processing
Device performs the steps of when executing the computer program
Detect data more new information in interim table；
According to the data more new information, master index file approach is closed, is started from index file channel；
More new data in the interim table is obtained by the master index file approach, master index file is updated；
Wherein, described to be used to carry out file polling from index file channel.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
It is performed the steps of when row
Detect data more new information in interim table；
According to the data more new information, master index file approach is closed, is started from index file channel；
More new data in the interim table is obtained by the master index file approach, master index file is updated；
Wherein, described to be used to carry out file polling from index file channel.
Above-mentioned multichannel file index method, device, computer equipment and storage medium, by the way that multiple file indexes are arranged
Channel carries out data update to master index file approach when needing to carry out data update, by carrying out from index file channel
File polling ensure that data query and the real-time that data update.
Detailed description of the invention
Fig. 1 is the flow diagram of multichannel file index method in one embodiment；
Fig. 2 is the flow diagram for updating step in one embodiment from index file channel data；
Fig. 3 is the flow diagram updated in a specific embodiment from index file channel data；
Fig. 4 is the structural block diagram of multichannel file index device in one embodiment；
Fig. 5 is the internal structure chart of computer equipment in one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In one embodiment, as shown in Figure 1, providing a kind of multichannel file index method, comprising the following steps:
Step S110 detects data more new information in interim table.
Wherein, when database carries out data update, the data of update can be stored in interim table first, interim by checking
Table can obtain data more new information.
Step S120 closes master index file approach according to the data more new information, starts from index file channel.
Wherein, the opening and closing are for file polling, and closing the expression of master index file approach cannot pass through
Master index file approach carries out file polling, and starting is indicated from index file channel can be by carrying out text from index file channel
Part inquiry.
Wherein, it before step S120, master index file approach and is consistent from index file channel data.It is described from
Index file channel is at least one, master index file approach carry out data update or it is unavailable when, by from index text
Part channel carries out file polling.
Specifically, preferentially carrying out data update to master index file approach, then to literary from index when carrying out data update
Part channel carries out data update.It can be established from index file channel by duplication master index file approach data, or to master
Index file channel is mapped to establish from index file channel.
Step S130 obtains more new data in the interim table by the master index file approach, to master index file
It is updated.
Wherein, be updated to master index file includes: to add in the catalogue of master index file to the more new data
New entry；The address of more new data in the database is saved in the new entry, wherein the new entry can be used for pair
The more new data is inquired.
It is described to be used to carry out file polling from index file channel in the present embodiment.
A kind of multichannel file index method in one of the embodiments, further includes: judge whether current time is mesh
Record renewal time；If current time is catalogue renewal time, the catalogue of the index file is updated；Wherein, described
Update include: by the entry in the catalogue be merged into same now and/or by the catalogue entry delete.Wherein,
Index file includes master index file and from index file.After the catalogue of index file is updated, many can be increased under catalogue newly
Entry, entry increase the search efficiency that will affect file, therefore, catalogue renewal time to the catalogue of the index file into
Row optimization, integrates entry, to improve the search efficiency of file.Catalogue renewal time can be set taking human as setting
For periodic catalogue renewal time, the interval of catalogue renewal time can be one week, one month or half a year, can be according to mesh
Record the setting of more news.
The index file includes directory associates source file, segmenter, index configurations information in one of the embodiments,
At least one of document is stored with Pinyin information.Wherein, the directory associates source file is used for the file of every service host
Catalogue is mapped to the catalogue for executing host, each service host is distributed to convenient for lucene index file, under lucene frame
Including multiple host, multiple services can be provided simultaneously；The segmenter is for being taken the search text that user inputs by rule
All keywords for being included out；The index configurations information is used for the keyword taken out according to segmenter, determines beating for index
Evolution formula, unfolding mode include newly-built and additional, then to memory configuration buffer size, the number of update cached document, also
Buffer area can be merged or be deleted；The Pinyin information storage document is used to store spelling when spelling search or simplicity search
Message breath.
In above-mentioned multichannel file index method, by the way that multiple file index channels are arranged, when needing to carry out data update
When, data update is carried out to master index file approach, by carrying out file polling from index file channel, ensure that data query
The real-time updated with data.
In one of the embodiments, as shown in Fig. 2, being obtained in the interim table by the master index file approach
More new data, after being updated to master index file, comprising steps of
Step S140 receives the master index file and is updated successfully information.
Wherein, the master index file can be generated after master index file is updated and is updated successfully information, for indicating
Data have been updated successfully.
Specifically, the master index file is updated successfully information can be indicated by a first identifier, and certainly, main rope
Quotation part updates failure or does not update completely, can be indicated by second identifier.
Step S150 is updated successfully information according to described, opens the master index file approach, closes described from index text
Part channel.
Wherein, the opening and closing are for file polling, and opening the master index file approach expression can
File polling is carried out by the master index file approach, closing is described, and expression cannot be by described from rope from index file channel
Draw file approach and carries out file polling.
Step S160 obtains more new data in the interim table from index file channel by described, to from index file
It is updated.
Wherein, the master index file approach is for carrying out file polling.To be updated from index file include: from
New entry is added to the more new data in the catalogue of index file；The more new data is saved in the new entry in data
Address in library, wherein the new entry can be used for inquiring the more new data.
A kind of multichannel file index method in one of the embodiments, further includes: obtained according to querying condition preparatory
The word segmentation regulation of definition；The file is inquired according to the word segmentation regulation.Wherein, querying condition can combine used by a user
Using determination, for example, user is scanned for using webpage, then webpage word segmentation regulation being used, user is scanned for using client,
Then use client word segmentation regulation.Each word segmentation regulation has a matching segmenter, and segmenter is used to input user
Search text by rule taking-up included all keywords.
In a specific embodiment, as shown in figure 3, illustrating the process signal updated from index file channel data
Figure.In Fig. 3, user issues search command, and lucene frame generates lucene index file, according to master index file approach
State select file inquires channel, at this point, master index file approach is to open, it is to close from index file channel；According to
Lucene index file, by master index file approach, database full-volume address resource data are inquired in queue, are executing host
(executing host address: 10.10.104.192) generates index file and data is written to index file, and according to execution host
Directory lookup service host file directory, the index file that data are written is distributed to the service host (ground of service host
Location is respectively as follows: 10.10.104.191,10.10.104.193,10.10.104.194)；At this point, number is inquired in lucene frame queue
According to library full dose address resource data, interim table is written in incremental data, is read data in interim table from index file channel queue, is led to
Cross Disk Mapping mode update multiple host (address of host be respectively as follows: 10.10.104.191,10.10.104.192,
10.10.104.193,10.10.104.194) in index file.
It should be understood that although each step in the flow chart of Fig. 1-3 is successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 1-3
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can be at least part of the sub-step or stage of other steps or other steps in turn or alternately
It executes.
In one embodiment, as shown in figure 4, providing a kind of multichannel file index device, comprising: data update inspection
Survey module 210, channel selecting module 220 and update module 230, in which:
Data update detection module 210, for detecting data more new information in interim table.
Channel selecting module 220 starts for closing master index file approach according to the data more new information from rope
Draw file approach.
Update module 230, for obtaining more new data in the interim table by the master index file approach, to main rope
Quotation part is updated.
Wherein, be updated to master index file includes: to add in the catalogue of master index file to the more new data
New entry；The address of more new data in the database is saved in the new entry, wherein the new entry can be used for pair
The more new data is inquired.
Wherein, described to be used to carry out file polling from index file channel.
A kind of multichannel file index device in one of the embodiments, further includes: optimization module is worked as judging
Whether the preceding time is catalogue renewal time, if current time is catalogue renewal time, is carried out to the catalogue of the index file
It updates；Wherein, the update includes: that the entry in the catalogue is merged into same now and/or will be in the catalogue
Entry is deleted.Wherein, index file includes master index file and from index file.After the catalogue of index file is updated, mesh
Many entries can be increased newly under record, and entry increases the search efficiency that will affect file, therefore, in catalogue renewal time to the rope
The catalogue of quotation part optimizes, and integrates to entry, to improve the search efficiency of file.Catalogue renewal time can be taking human as
Setting, can be set to periodic catalogue renewal time, and the interval of catalogue renewal time can be one week, one month or half
Year, it can be set according to catalogue more news.
The index file includes directory associates source file, segmenter, index configurations information in one of the embodiments,
At least one of document is stored with Pinyin information.Wherein, the directory associates source file is used for the file of every service host
Catalogue is mapped to the catalogue for executing host, each service host is distributed to convenient for lucene index file, under lucene frame
Including multiple host, multiple services can be provided simultaneously；The segmenter is for being taken the search text that user inputs by rule
All keywords for being included out；The index configurations information is used for the keyword taken out according to segmenter, determines beating for index
Evolution formula, unfolding mode include newly-built and additional, then to memory configuration buffer size, the number of update cached document, also
Buffer area can be merged or be deleted；The Pinyin information storage document is used to store spelling when spelling search or simplicity search
Message breath.
A kind of multichannel file index device in one of the embodiments, further includes: be updated successfully acquisition of information mould
Block is updated successfully information for receiving the master index file；The channel selecting module 220, is also used to according to the update
Successful information opens the master index file approach, closes described from index file channel；The update module 230, is also used to
More new data in the interim table is obtained from index file channel by described, is updated to from index file.
Wherein, the master index file approach is for carrying out file polling.To be updated from index file include: from
New entry is added to the more new data in the catalogue of index file；The more new data is saved in the new entry in data
Address in library, wherein the new entry can be used for inquiring the more new data.
A kind of multichannel file index device in one of the embodiments, further includes: word segmentation regulation definition module is used
According to querying condition acquisition word segmentation regulation predetermined；Enquiry module, for inquiring the text according to the word segmentation regulation
Part.Wherein, querying condition can be determined in conjunction with application used by a user, for example, user is scanned for using webpage, then be used
Webpage word segmentation regulation, user are scanned for using client, then use client word segmentation regulation.Each word segmentation regulation have one with
Matched segmenter, the search text that segmenter is used to input user takes out all keywords for being included by regular.
Specific restriction about multichannel file index device may refer to above for multichannel file index method
Restriction, details are not described herein.Modules in above-mentioned multichannel file index device can be fully or partially through software, hard
Part and combinations thereof is realized.Above-mentioned each module can be embedded in the form of hardware or independently of in the processor in computer equipment,
It can also be stored in a software form in the memory in computer equipment, execute the above modules in order to which processor calls
Corresponding operation.
In one embodiment, a kind of computer equipment is provided, which can be server, internal junction
Composition can be as shown in Figure 5.The computer equipment include by system bus connect processor, memory, network interface and
Database.Wherein, the processor of the computer equipment is for providing calculating and control ability.The memory packet of the computer equipment
Include non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system, computer program and data
Library.The built-in storage provides environment for the operation of operating system and computer program in non-volatile memory medium.The calculating
The database of machine equipment is for storing full dose address resource data.The network interface of the computer equipment is used for and external terminal
It is communicated by network connection.To realize a kind of multichannel file index method when the computer program is executed by processor.
It will be understood by those skilled in the art that structure shown in Fig. 5, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, a kind of computer equipment, including memory and processor are provided, is stored in memory
Computer program, the processor perform the steps of when executing computer program
Detect data more new information in interim table；
According to the data more new information, master index file approach is closed, is started from index file channel；
More new data in the interim table is obtained by the master index file approach, master index file is updated；
Wherein, described to be used to carry out file polling from index file channel.
In one embodiment, it is also performed the steps of when processor executes computer program and receives the main rope quotation
Part is updated successfully information；It is updated successfully information according to described, opens the master index file approach, is closed described from index file
Channel；More new data in the interim table is obtained from index file channel by described, is updated to from index file；Its
In, the master index file approach is for carrying out file polling.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program performs the steps of when being executed by processor
Detect data more new information in interim table；
According to the data more new information, master index file approach is closed, is started from index file channel；
More new data in the interim table is obtained by the master index file approach, master index file is updated；
Wherein, described to be used to carry out file polling from index file channel.
In one embodiment, it is also performed the steps of when computer program is executed by processor and receives the master index
File is updated successfully information；It is updated successfully information according to described, opens the master index file approach, is closed described from index text
Part channel；More new data in the interim table is obtained from index file channel by described, is updated to from index file；Its
In, the master index file approach is for carrying out file polling.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of multichannel file index method, which is characterized in that the described method includes:
Detect data more new information in interim table；
According to the data more new information, master index file approach is closed, is started from index file channel；
More new data in the interim table is obtained by the master index file approach, master index file is updated；
Wherein, described to be used to carry out file polling from index file channel.
2. the method according to claim 1, wherein described interim being obtained by the master index file approach
More new data in table, after being updated to master index file, comprising:
It receives the master index file and is updated successfully information；
It is updated successfully information according to described, opens the master index file approach, is closed described from index file channel；
More new data in the interim table is obtained from index file channel by described, is updated to from index file；
Wherein, the master index file approach is for carrying out file polling.
3. method according to claim 1 or 2, which is characterized in that described to be at least one from index file channel.
4. according to the method described in claim 2, it is characterized in that, described be updated to index file includes:
New entry added to the more new data in the catalogue of indexed file, the index file include master index file and from
Index file；
The address of more new data in the database is saved in the new entry, wherein the new entry is used for described
More new data is inquired.
5. according to the method described in claim 4, it is characterized by further comprising:
Judge whether current time is catalogue renewal time；
If current time is catalogue renewal time, the catalogue of the index file is updated；Wherein described update includes:
By the entry in the catalogue be merged into same now and/or by the catalogue entry delete.
6. the method according to claim 1, wherein the index file includes directory associates source file, participle
At least one of device, index configurations information and Pinyin information storage document.
7. method according to claim 1 or 2, which is characterized in that the method, further includes:
Word segmentation regulation predetermined is obtained according to querying condition；
The file is inquired according to the word segmentation regulation.
8. a kind of multichannel file index device, which is characterized in that described device includes:
Data update detection module, for detecting data more new information in interim table；
Channel selecting module, for closing master index file approach according to the data more new information, starting is logical from index file
Road；
Update module, for obtaining more new data in the interim table by the master index file approach, to master index file
It is updated；
Wherein, described to be used to carry out file polling from index file channel.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 7 the method when executing the computer program.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 7 is realized when being executed by processor.
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