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https://issues.apache.org/jira/browse/CASSANDRA-14261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16376897#comment-16376897
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Joshua McKenzie commented on CASSANDRA-14261:
---------------------------------------------
You have some perf runs to go with those correctness runs to indicate the
impact of the change?
> Compaction Profiling Improvements
> ---------------------------------
>
> Key: CASSANDRA-14261
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14261
> Project: Cassandra
> Issue Type: Improvement
> Components: Compaction
> Reporter: Jeff Jirsa
> Assignee: Jeff Jirsa
> Priority: Minor
> Fix For: 4.x
>
>
> There's some low hanging fruit in some laptop compaction runs, such as
> creating a ton of the same object unnecessarily and hashing cell names
> repeatedly to see if a column is dropped even when we should know that the
> table has no dropped columns.
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