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From "Ariel Weisberg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-13688) Anticompaction race can leak sstables/txn
Date Thu, 13 Jul 2017 16:50:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16085982#comment-16085982
] 

Ariel Weisberg commented on CASSANDRA-13688:
--------------------------------------------

So there is the issue here https://github.com/apache/cassandra/compare/trunk...bdeggleston:13688?expand=1#diff-d4e3b82e9bebfd2cb466b4a30af07fa4R610
we talked about where it's using the wrong result value to decide whether to clean up.

Maybe run the dtests, but otherwise it looks good.

> Anticompaction race can leak sstables/txn
> -----------------------------------------
>
>                 Key: CASSANDRA-13688
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13688
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Blake Eggleston
>            Assignee: Blake Eggleston
>             Fix For: 4.0
>
>
> At the top of {{CompactionManager#performAntiCompaction}}, the parent repair session
is loaded, if the session can't be found, a RuntimeException is thrown. This can happen if
a participant is evicted after the IR prepare message is received, but before the anticompaction
starts. This exception is thrown outside of the try/finally block that guards the sstable
and lifecycle transaction, causing them to leak, and preventing the sstables from ever being
removed from View.compacting.



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