T Jake Luciani created CASSANDRA-12366:
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Summary: 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 compression
* 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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