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From "Ignite TC Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-10913) Reduce heap occupation by o.a.i.i.processors.cache.persistence.file.FilePageStore instances.
Date Thu, 06 Jun 2019 13:08:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-10913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857628#comment-16857628
] 

Ignite TC Bot commented on IGNITE-10913:
----------------------------------------

{panel:title=--&gt; Run :: All: Possible Blockers|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Platform .NET (Inspections)*{color} [[tests 0 Failure on metric |https://ci.ignite.apache.org/viewLog.html?buildId=4048798]]

{color:#d04437}Platform .NET (Core Linux){color} [[tests 1 TIMEOUT |https://ci.ignite.apache.org/viewLog.html?buildId=4048797]]

{color:#d04437}PDS (Compatibility){color} [[tests 0 TIMEOUT , Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=4048788]]

{color:#d04437}Platform .NET{color} [[tests 0 TIMEOUT |https://ci.ignite.apache.org/viewLog.html?buildId=4048796]]

{color:#d04437}Queries 2{color} [[tests 0 TIMEOUT , Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=4048736]]

{color:#d04437}[Check Code Style]{color} [[tests 0 Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=4048824]]

{color:#d04437}Basic 3{color} [[tests 0 TIMEOUT , Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=4048754]]

{color:#d04437}PDS 1{color} [[tests 0 TIMEOUT , Exit Code |https://ci.ignite.apache.org/viewLog.html?buildId=4048792]]

{panel}
[TeamCity *--&gt; Run :: All* Results|https://ci.ignite.apache.org/viewLog.html?buildId=4048825&amp;buildTypeId=IgniteTests24Java8_RunAll]

> Reduce heap occupation by o.a.i.i.processors.cache.persistence.file.FilePageStore instances.
> --------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-10913
>                 URL: https://issues.apache.org/jira/browse/IGNITE-10913
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Alexei Scherbakov
>            Assignee: Denis Chudov
>            Priority: Major
>             Fix For: 2.8
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> With large topology and large amount of caches/partitions and enabled persistence could
be millions of FilePageStore objects in heap (for each partition).
> Each instance has a reference to a File (field cfgFile) storing as String absolute path
to a partition.
> Also internal File inplementation (on example UnixFile) also allocates space for file
path.
> I observed about 2Gb of heap space occupied by these objects in one of environments.
> Solution: dereference (set to null) cfgFile after object creation, create File object
lazily on demand when needed.



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