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https://issues.apache.org/jira/browse/CASSANDRA-15533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17106458#comment-17106458
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Jordan West commented on CASSANDRA-15533:
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Ack. Thanks [~blerer]
> Don't allocate unneeded MergeIterator in OnDiskToken#iterator
> --------------------------------------------------------------
>
> Key: CASSANDRA-15533
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15533
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/SASI
> Reporter: Jordan West
> Assignee: Jordan West
> Priority: Normal
> Fix For: 4.x
>
>
> When reviewing CASSANDRA-15392 it became apparent that the MergeIterator
> allocated by OnDiskToken#iterator is rarely necessary and so we should avoid
> allocating one when not needed and skip the MergeIterator pool when needed
> because its unlikely to be sized correctly.
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