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Stefan Podkowinski commented on CASSANDRA-14566:
------------------------------------------------
Thanks for your contribution, Thomas! We're meanwhile testing the upcoming
Cassandra 4.0 release and have a code freeze for non-critical fixes in place
for the other branches. I'll look into accepting the patch for 4.0, depending
how the testing goes, or in a later version, as the expected performance gain
should not be significant.
> Cache CSM.onlyPurgeRepairedTombstones()
> ---------------------------------------
>
> Key: CASSANDRA-14566
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14566
> Project: Cassandra
> Issue Type: Improvement
> Components: Compaction
> Reporter: Stefan Podkowinski
> Assignee: Thomas Pouget-Abadie
> Priority: Minor
> Labels: lhf, performance
> Attachments: 14566-3.11.txt
>
>
> We currently call {{CompactionStrategyManager.onlyPurgeRepairedTombstones()}}
> *a lot* during compaction, I think at least for every key. So we should
> probably cache the value, instead of constantly reading from a volatile and
> calling parseBoolean.
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