Shalin Shekhar Mangar created SOLR-14640:
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Summary: Improve concurrency of
SlowCompositeReaderWrapper.getSortedDocValues
Key: SOLR-14640
URL: https://issues.apache.org/jira/browse/SOLR-14640
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Components: search
Affects Versions: 8.4.1
Reporter: Shalin Shekhar Mangar
Attachments: Screen Shot 2020-07-09 at 4.46.46 PM.png
Under heavy query load, the synchronized HashMap {{cachedOrdMaps}} inside
SlowCompositeReaderWrapper.getSortedDocValues blocks search threads.
See attached screenshot of a java flight recording from an affected node.
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