Shalin Shekhar Mangar created SOLR-14639:
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Summary: Improve concurrency of SlowCompositeReaderWrapper.terms
Key: SOLR-14639
URL: https://issues.apache.org/jira/browse/SOLR-14639
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 4.38.03 PM.png
Under heavy query load, the ConcurrentHashMap.computeIfAbsent method inside the
SlowCompositeReaderWrapper.terms(String) method blocks searcher threads (see
attached screenshot of a java flight recording).
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