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https://issues.apache.org/jira/browse/IGNITE-3869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Denis Magda updated IGNITE-3869:
--------------------------------
    Description: 
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.

  was:
Presently during the execution of a query H2 generates huge 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.


> Reduce number of temporal 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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