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https://issues.apache.org/jira/browse/IGNITE-10671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16725904#comment-16725904
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Anton Kalashnikov commented on IGNITE-10671:
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Now it's looks good for me. I think you can merge master to your branch and
restart failed tests because it already was fixed. After that it can be merged
to master.
> Double initialization of segmentAware and FileArchiver lead to race breaking
> file compression.
> ----------------------------------------------------------------------------------------------
>
> Key: IGNITE-10671
> URL: https://issues.apache.org/jira/browse/IGNITE-10671
> Project: Ignite
> Issue Type: Bug
> Reporter: Pavel Voronkin
> Assignee: Pavel Voronkin
> Priority: Critical
> Attachments: WalCompactionSwitchOverTest.java
>
>
> Race is painful when you switch your cluster from walCompaction=false to
> walCompaction=true.
> The same FileCompressor instance will use different segmentAwares due to
> start0() is called twice which leads to inconsistent behaviour and errors
> during compaction, basically we will try to archive files twice concurrently.
> See reproducer in attachment.
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