David Smiley created SOLR-16986:
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Summary: 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
Security Level: Public (Default Security Level. Issues are Public)
Reporter: David Smiley
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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