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https://issues.apache.org/jira/browse/CASSANDRA-14079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16272515#comment-16272515
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Paulo Motta commented on CASSANDRA-14079:
-----------------------------------------
Adding patch that adds a test to reproduce issue and breaks out of
{{getNextBackgroundTask}} loop if the previous candidate is equal to the
current.
3.11 patch: [branch|https://github.com/pauloricardomg/cassandra/tree/3.11-14079]
CI looks good.
> Prevent compaction strategies from looping indefinitely
> -------------------------------------------------------
>
> Key: CASSANDRA-14079
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14079
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Paulo Motta
> Assignee: Paulo Motta
> Priority: Minor
>
> As a result of CASSANDRA-13948, LCS was looping indefinitely trying to
> generate the same candidates for SSTables which were not on the tracker.
> We should add a protection on compaction strategies against looping
> indefinitely to avoid similar bugs in the future.
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