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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2017/11/10 08:55:00 UTC

[jira] [Closed] (IGNITE-3869) Reduce number of temporary objects produced by H2

     [ https://issues.apache.org/jira/browse/IGNITE-3869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov closed IGNITE-3869.
-----------------------------------

> Reduce number of temporary objects produced by H2
> -------------------------------------------------
>
>                 Key: IGNITE-3869
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3869
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>    Affects Versions: 1.4
>            Reporter: Denis Magda
>
> Presently during the execution of a query H2 generates significant number of temporal objects (kind of wrappers) that eventually exhaust the heap and trigger long GC pauses. 
> Need to revisit present implementation improving Ignite SQL engine and/or H2.



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