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Information search method, system and device

An information search and equipment technology, applied in the computer field, can solve the problems of long search query time in secondary cache and low performance of search cluster system, and achieve the effect of saving search time, reducing search cluster system resources and improving performance

Active Publication Date: 2012-05-30
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0027] The purpose of this application is to provide an information search method, system and information search equipment to solve the problems in the prior art that the query time occupied by the secondary cache search is too long and the performance of the search cluster system is low

Method used

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  • Information search method, system and device
  • Information search method, system and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Embodiment 1 of the present application provides a method for information search, such as image 3 As shown, the information search method in the first embodiment includes the following steps:

[0054] Step 101: the merging server receives a search request sent by a user, and the search request includes keywords and search conditions.

[0055] Step 102: the merge server searches Memcached as the first-level cache, and judges whether the search result can be hit, and if so, returns the search result to the user and ends the information search process; otherwise, executes step 103.

[0056] Step 103: The merging server selects search servers for each subset of the search server set.

[0057] The specific operation of this step is as follows:

[0058] First, the merging server performs calculations on the keywords according to the set algorithm to obtain the calculation results of the keywords;

[0059] Then, the merging server selects the search server corresponding to...

Embodiment 2

[0067] Assume that in the solution of Embodiment 2 of the present application, before time T1, neither the first-level cache nor the second-level cache has a document list corresponding to the cache keyword "computer bag". At time T1, the keyword in the search request _1 initiated by user A is "computer bag", and the search condition is "price range 50 yuan to 100 yuan". At the next time T2, the key word in the search request _2 initiated by user B The word is "computer bag", and the search condition is "red".

[0068] The method for information search in Embodiment 2 of the present application includes the following steps:

[0069] Step 1: The merge server receives the search request_1 sent by user A, and the search request_1 includes the keyword "computer bag" and the search condition "price range 50 yuan to 100 yuan".

[0070] Step 2: The merging server extracts the keyword "computer bag" from the search request_1.

[0071] In this step, since the user usually URL-encodes...

Embodiment 3

[0114] Embodiment 3 of the present application provides an information search device applied in a search cluster system, such as Figure 4 As shown, it includes a request receiving module 11, an operation module 12, a selection module 13, a sending module 14 and a result receiving module 15, wherein: the request receiving module 11 is used to receive a search request comprising keywords and search conditions; the operation module 12 is used to When the search result corresponding to the search request is not found in the first-level cache, the keyword is calculated according to the set algorithm to obtain the calculation result; the selection module 13 is used to obtain the calculation result according to the calculation result and each search server in the subset. Correspondence, from each subset of the search server set, the search server corresponding to the calculation result obtained respectively; the sending module 14 is used to send the search request to the selected sea...

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Abstract

The invention discloses an information search method, an information search system and an information search device. According to the method, when the second level cache search is carried out in a search cluster system, aiming at each subset of a search server set and according to the corresponding relation between the calculation result and each search server in each subset, the search server corresponding to a calculation result which is obtained by carrying out calculating on a keyword on the basis of the setting algorithm can be respectively selected, and the search request can be responded by using the selected search server; apart from the first response including the search request of a keyword, the selected search server caches a document list corresponding to the keyword, therefore, the selected search server can directly read the cached document list, the duration of the search can be shortened, the search cluster system resource occupied in the information search process can be reduced and the performance of the search cluster system can be improved.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to an information search method, system and information search equipment. Background technique [0002] In a large-scale search cluster system, due to the huge number of cluster documents used for searching, an index file is established for a large number of cluster documents, and information search is performed in the index file. Because the data volume of the index file is also very large, in order to improve the efficiency of information search, the index file can be divided into multiple parts, stored in multiple search servers (searchers) respectively, and searched in parallel in multiple search servers to improve efficiency. For example: divide an index file into n parts, store a part of the index file in each search server, and combine the contents stored in the n search servers to form a complete index file. [0003] Further considering that the search cluster s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 孙权
Owner ALIBABA GRP HLDG LTD
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