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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-3869) Reduce number of temporary objects produced by H2
Date Fri, 03 Feb 2017 11:46:51 GMT

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

Vladimir Ozerov updated IGNITE-3869:
------------------------------------
    Component/s:     (was: cache)
                 SQL

> 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
>            Assignee: Sergi Vladykin
>             Fix For: 2.0
>
>
> 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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