ASF GitHub Bot commented on IGNITE-8139:

GitHub user devozerov opened a pull request:




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    $ git pull https://github.com/gridgain/apache-ignite ignite-8139

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    This closes #3752
commit 4a4c4818a7ec9c1d8c30c33f77e2d104d2efe2ee
Author: devozerov <vozerov@...>
Date:   2018-04-05T09:16:48Z



> Need to have better control on the size of SQL on heap cache
> ------------------------------------------------------------
>                 Key: IGNITE-8139
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8139
>             Project: Ignite
>          Issue Type: Improvement
>          Components: sql
>    Affects Versions: 2.4
>            Reporter: Valentin Kulichenko
>            Assignee: Vladimir Ozerov
>            Priority: Major
>             Fix For: 2.5
> Currently, if SQL on heap cache is enabled, there is no clear way to control 
> the size of this cache. Looks like its evictions basically depend on 
> evictions in off-heap, so it's really to get OOME. Not very usable.
> The easiest improvement would be to have a knob (configuration parameter or 
> system property) that would control the size of underlying concurrent map 
> that stores cached rows.

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