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https://issues.apache.org/jira/browse/CASSANDRA-8329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14215859#comment-14215859
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Robert Stupp commented on CASSANDRA-8329:
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Related to CASSANDRA-7386 ?
> LeveledCompactionStrategy should split large files across data directories
> when compacting
> ------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-8329
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8329
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: J.B. Langston
> Assignee: Marcus Eriksson
> Fix For: 2.0.12
>
>
> Because we fall back to STCS for L0 when LCS gets behind, the sstables in L0
> can get quite large during sustained periods of heavy writes. This can
> result in large imbalances between data volumes when using JBOD support.
> Eventually these large files get broken up as L0 sstables are moved up into
> higher levels; however, because LCS only chooses a single volume on which to
> write all of the sstables created during a single compaction, the imbalance
> is persisted.
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