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https://issues.apache.org/jira/browse/CASSANDRA-19755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Tunnicliffe updated CASSANDRA-19755:
----------------------------------------
Since Version: NA
Source Control Link:
https://github.com/apache/cassandra/commit/1cd0b382143ec56118105a6ed991c0803f400b18
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
Committed to 4.1 and merged to 5.0 & trunk, thanks.
> Coordinator read latency metrics are inflated for some queries
> --------------------------------------------------------------
>
> Key: CASSANDRA-19755
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19755
> Project: Cassandra
> Issue Type: Bug
> Components: Observability/Metrics
> Reporter: Sam Tunnicliffe
> Assignee: Sam Tunnicliffe
> Priority: Normal
> Fix For: 4.1.x, 5.0-rc
>
> Attachments: ci_summary-4.1.html, ci_summary-5.0.html,
> ci_summary-trunk.html
>
>
> When a partition read is decomposed on the coordinator into multiple single
> partition read queries, the latency metric captured in StorageProxy can be
> artificially increased.
> This primarily affects reads where paging and aggregates are used or where an
> IN clause selects multiple partition keys.
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