[jira] [Updated] (IGNITE-13904) Don't use rows buffers by redce index for simple one-way reducer

["Taras Ledkov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-13904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Taras Ledkov updated IGNITE-13904:
----------------------------------
    Description: 
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).


  was:
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).



> 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
>
>
> 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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