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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-10671) Double initialization of segmentAware and FileArchiver lead to race breaking file compression.
Date Mon, 24 Dec 2018 10:18:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-10671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16728313#comment-16728313
] 

ASF GitHub Bot commented on IGNITE-10671:
-----------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/ignite/pull/5665


> 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
>             Fix For: 2.8
>
>         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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