[jira] [Updated] (CASSANDRA-12062) Prevent key invalidation if there's no key to invalidate

["Robert Stupp (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-12062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Stupp updated CASSANDRA-12062:
-------------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 3.x)
                   3.10
           Status: Resolved  (was: Ready to Commit)

Thanks!
Committed as [c57d0d4fabb8b1c8b9b312010a706245a203be57|https://github.com/apache/cassandra/commit/c57d0d4fabb8b1c8b9b312010a706245a203be57] to [trunk|https://github.com/apache/cassandra/tree/trunk]


> Prevent key invalidation if there's no key to invalidate
> --------------------------------------------------------
>
>                 Key: CASSANDRA-12062
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12062
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Robert Stupp
>            Assignee: Robert Stupp
>            Priority: Minor
>             Fix For: 3.10
>
>
> In {{SSTableRewriter}} we currently assume that there are keys to be invalidated in the key cache. That's not always true - especially if a bunch of tiny sstables have been generated.
> Patch saves one {{synchronized}} and a few objects if that's the case.
> Just a small optimisation, but maybe worth to include.



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