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https://issues.apache.org/jira/browse/CASSANDRA-12366?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson updated CASSANDRA-12366:
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Status: Ready to Commit (was: Patch Available)
> Fix compaction throttle
> -----------------------
>
> Key: CASSANDRA-12366
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12366
> Project: Cassandra
> Issue Type: Bug
> Components: Compaction
> Reporter: T Jake Luciani
> Assignee: T Jake Luciani
> Fix For: 3.x
>
>
> Compaction throttling is broken in the following ways:
> * It throttles bytes read after being decompressed
> * Compaction creates multiple scanners which share the rate limiter causing
> too much throttling
> * It bears no resemblance to the reported compaction time remaining
> calculation (Bytes of source sstables processed since start of compaction)
> To fix this we need to simplify the throttling to be only at the
> CompactionIterator level.
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