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From "Ignite TC Bot (Jira)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-12189) Implement correct limit for TextQuery
Date Tue, 08 Oct 2019 10:22:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-12189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16946684#comment-16946684
] 

Ignite TC Bot commented on IGNITE-12189:
----------------------------------------

{panel:title=Branch: [pull/6917/head] Base: [master] : Possible Blockers (5)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Queries 1{color} [[tests 2|https://ci.ignite.apache.org/viewLog.html?buildId=4661690]]
* IgniteBinaryCacheQueryTestSuite: BasicIndexMultinodeTest.testDynamicIndexesWithPersistenceIndexRebuild
- Test has low fail rate in base branch 0,0% and is not flaky
* IgniteBinaryCacheQueryTestSuite: BasicIndexMultinodeTest.testAllIndexesWithPersistence -
Test has low fail rate in base branch 0,0% and is not flaky

{color:#d04437}MVCC PDS 1{color} [[tests 1|https://ci.ignite.apache.org/viewLog.html?buildId=4661707]]
* IgnitePdsMvccTestSuite: IgniteClusterActivateDeactivateTestWithPersistence.testDeactivateSimple_5_Servers_5_Clients_FromClient
- Test has low fail rate in base branch 0,0% and is not flaky

{color:#d04437}Thin client: PHP{color} [[tests 0 Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=4661649]]

{color:#d04437}[Check Code Style]{color} [[tests 0 Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=4661712]]

{panel}
[TeamCity *--&gt; Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=4661714&amp;buildTypeId=IgniteTests24Java8_RunAll]

> Implement correct limit for TextQuery
> -------------------------------------
>
>                 Key: IGNITE-12189
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12189
>             Project: Ignite
>          Issue Type: Improvement
>          Components: general
>            Reporter: Yuriy Shuliha 
>            Assignee: Yuriy Shuliha 
>            Priority: Major
>             Fix For: 2.8
>
>          Time Spent: 2h 40m
>  Remaining Estimate: 0h
>
> PROBLEM
> For now each server-node returns all response records to the client-node and it may contain
~thousands, ~hundred thousands records.
>  Event if we need only first 10-100. Again, all the results are added to queue in _*GridCacheQueryFutureAdapter*_
in arbitrary order by pages.
>  There are no any means to deliver deterministic result.
> SOLUTION
>  Implement _*limit*_ as parameter for _*TextQuery*_ and _*GridCacheQueryRequest*_ 
>  It should be passed as limit  parameter in Lucene's  _*IndexSearcher.search()*_ in
_*GridLuceneIndex*_.
> For distributed queries _*limit*_ will also trim response queue when merging results.
> Type: long
>  Special value: : 0 -> No limit (Integer.MAX_VALUE);



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