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https://issues.apache.org/jira/browse/IGNITE-13904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Taras Ledkov updated IGNITE-13904:
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Summary: Don't use rows buffers by reduce index for simple one-way reducer
(was: Don't use rows buffers by redce index for simple one-way reducer)
> Don't use rows buffers by reduce 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: 20m
> 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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