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From "Dmitriy Setrakyan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-3869) Reduce number of temporary objects produced by H2
Date Thu, 08 Sep 2016 17:59:20 GMT

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

Dmitriy Setrakyan updated IGNITE-3869:
--------------------------------------
    Summary: Reduce number of temporary objects produced by H2  (was: Reduce number of temporal
objects produced by H2)

> 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: cache
>    Affects Versions: 1.4
>            Reporter: Denis Magda
>            Assignee: Sergi Vladykin
>             Fix For: 2.1
>
>
> 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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