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https://issues.apache.org/jira/browse/CASSANDRA-15394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963501#comment-16963501
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Blake Eggleston edited comment on CASSANDRA-15394 at 12/10/19 12:18 AM:
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[4.0|https://github.com/bdeggleston/cassandra/tree/15394-v2]
*edit: update branch url
was (Author: bdeggleston):
[4.0|https://github.com/bdeggleston/cassandra/tree/15394-v2]
> Remove list iterators
> ---------------------
>
> Key: CASSANDRA-15394
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15394
> Project: Cassandra
> Issue Type: Sub-task
> Components: Local/Compaction
> Reporter: Blake Eggleston
> Assignee: Blake Eggleston
> Priority: Normal
> Fix For: 4.0
>
>
> We allocate list iterators in several places in hot paths. This converts them
> to get by index. This provides a ~4% improvement in relvant workloads.
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