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https://issues.apache.org/jira/browse/IGNITE-27086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18042131#comment-18042131
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Ignite TC Bot commented on IGNITE-27086:
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{panel:title=Branch: [pull/12532/head] Base: [master] : Possible Blockers
(1)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}
{color:#d04437}Disk Page Compressions 1{color} [[tests
1|https://ci2.ignite.apache.org/viewLog.html?buildId=8729839]]
* IgnitePdsCompressionTestSuite:
IgnitePdsDestroyCacheTest.testDestroyCacheOperationNotBlockingCheckpointTest -
Test has low fail rate in base branch 0,0% and is not flaky
{panel}
{panel:title=Branch: [pull/12532/head] Base: [master] : No new tests
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}{panel}
[TeamCity *--> Run :: All*
Results|https://ci2.ignite.apache.org/viewLog.html?buildId=8729852&buildTypeId=IgniteTests24Java8_RunAll]
> BinaryWriter is created for every a map entry
> ---------------------------------------------
>
> Key: IGNITE-27086
> URL: https://issues.apache.org/jira/browse/IGNITE-27086
> Project: Ignite
> Issue Type: Improvement
> Reporter: Maksim Timonin
> Assignee: Nikolay Izhikov
> Priority: Major
> Labels: ise
> Attachments: WritingBigMapReproducer.java
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> During serializing maps BinaryWriterExImpl#writeMap is called. For every key
> and value it calls BinaryWriterExImpl#writeObject. Every such call creates
> new BinaryWriterExImpl.
> It leads to populating jvm heap with similar objects. Especially for big maps.
> See example in the attach, when big map is created as argument for a
> ComputeTask.
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