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https://issues.apache.org/jira/browse/CASSANDRA-10099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15491786#comment-15491786
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Jeremiah Jordan commented on CASSANDRA-10099:
---------------------------------------------
You would also want to make sure to check for any follow up changes to the code
from the patch that have been made in trunk to make sure the patch doesn't have
bugs fixed later on...
> Improve concurrency in CompactionStrategyManager
> ------------------------------------------------
>
> Key: CASSANDRA-10099
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10099
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Yuki Morishita
> Assignee: Marcus Eriksson
> Labels: compaction, lcs
> Fix For: 3.6
>
>
> Continue discussion from CASSANDRA-9882.
> CompactionStrategyManager(WrappingCompactionStrategy for <3.0) tracks SSTable
> changes mainly for separating repaired / unrepaired SSTables (+ LCS manages
> level).
> This is blocking operation, and can lead to block of flush etc. when
> determining next background task takes longer.
> Explore the way to mitigate this concurrency issue.
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