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From "Benjamin Lerer (Jira)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-14566) Cache CSM.onlyPurgeRepairedTombstones()
Date Fri, 30 Jul 2021 12:45:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-14566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Lerer updated CASSANDRA-14566:
---------------------------------------
    Reviewers: Benjamin Lerer, Stefan Podkowinski  (was: Stefan Podkowinski)

> Cache CSM.onlyPurgeRepairedTombstones()
> ---------------------------------------
>
>                 Key: CASSANDRA-14566
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14566
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Local/Compaction
>            Reporter: Stefan Podkowinski
>            Assignee: Thomas Pouget-Abadie
>            Priority: Low
>              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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