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https://issues.apache.org/jira/browse/SOLR-16986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Smiley resolved SOLR-16986.
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Fix Version/s: 9.5
Resolution: Fixed
> Measure and aggregate thread CPU time in distributed search
> -----------------------------------------------------------
>
> Key: SOLR-16986
> URL: https://issues.apache.org/jira/browse/SOLR-16986
> Project: Solr
> Issue Type: New Feature
> Reporter: David Smiley
> Priority: Major
> Fix For: 9.5
>
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> Solr responses include "QTime", which in retrospect might have been better
> named "elapsedTime". We propose adding here a "cpuTime" to return the amount
> of time consumed by
> ManagementFactory.getThreadMXBean().[getThreadCpuTime|https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/ThreadMXBean.html]().
> Unlike QTime, this will need to be aggregated across distributed requests.
> This work item will only do the aggregation work for distributed search,
> although it could be extended for other scenarios in future work items.
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