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Posted to issues@ignite.apache.org by "Ignite TC Bot (Jira)" <ji...@apache.org> on 2020/12/25 14:01:00 UTC
[jira] [Commented] (IGNITE-13904) Don't use rows buffers by redce
index for simple one-way reducer
[ https://issues.apache.org/jira/browse/IGNITE-13904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17254843#comment-17254843 ]
Ignite TC Bot commented on IGNITE-13904:
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{panel:title=Branch: [pull/8607/head] Base: [master] : No blockers found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/8607/head] Base: [master] : New Tests (1)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Queries 2{color} [[tests 1|https://ci.ignite.apache.org/viewLog.html?buildId=5805350]]
* {color:#013220}IgniteBinaryCacheQueryTestSuite2: ReducerRowsBufferTest.plainQuery - PASSED{color}
{panel}
[TeamCity *--> Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=5805424&buildTypeId=IgniteTests24Java8_RunAll]
> Don't use rows buffers by redce index for simple one-way reducer
> ----------------------------------------------------------------
>
> Key: IGNITE-13904
> URL: https://issues.apache.org/jira/browse/IGNITE-13904
> Project: Ignite
> Issue Type: Bug
> Components: sql
> Affects Versions: 2.9
> Reporter: Taras Ledkov
> Assignee: Taras Ledkov
> Priority: Major
> Fix For: 2.10
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Now the reducer's index buffer {{AbstractReducer#fetched}} is used even for simple plain query. It is the cause of increased memory usage for plain query.
> *Proposed fix:*
> - don't use index buffer for simple reducer (for plain query).
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