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https://issues.apache.org/jira/browse/CASSANDRA-11179?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson updated CASSANDRA-11179:
----------------------------------------
Resolution: Fixed
Fix Version/s: (was: 3.0.x)
(was: 2.2.x)
(was: 2.1.x)
(was: 3.x)
3.5
3.0.5
2.2.6
2.1.14
Status: Resolved (was: Patch Available)
committed, thanks
> Parallel cleanup can lead to disk space exhaustion
> --------------------------------------------------
>
> Key: CASSANDRA-11179
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11179
> Project: Cassandra
> Issue Type: Improvement
> Components: Compaction, Tools
> Reporter: Tyler Hobbs
> Assignee: Marcus Eriksson
> Labels: doc-impacting
> Fix For: 2.1.14, 2.2.6, 3.0.5, 3.5
>
>
> In CASSANDRA-5547, we made cleanup (among other things) run in parallel
> across multiple sstables. There have been reports on IRC of this leading to
> disk space exhaustion, because multiple sstables are (almost entirely)
> rewritten at the same time. This seems particularly problematic because
> cleanup is frequently run after a cluster is expanded due to low disk space.
> I'm not really familiar with how we perform free disk space checks now, but
> it sounds like we can make some improvements here. It would be good to
> reduce the concurrency of cleanup operations if there isn't enough free disk
> space to support this.
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