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https://issues.apache.org/jira/browse/CASSANDRA-2075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12988680#comment-12988680
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Stu Hood commented on CASSANDRA-2075:
-------------------------------------
Main culprits are IFilter.getColumnComparator() and the reversed comparator
created in SliceQueryFilter.
> Eliminate excess comparator creation
> ------------------------------------
>
> Key: CASSANDRA-2075
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2075
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Stu Hood
> Priority: Minor
> Labels: abstract_types, gc
>
> Despite the singleton status of each AbstractType, we end up creating at
> least one new comparator per query. By making more of the "wrapper"
> comparators that exist in the codebase members of AbstractType, we could cut
> down on the "new Comparator" spam.
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