[SOLR-14639] Improve concurrency of SlowCompositeReaderWrapper.terms - ASF JIRA

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Type: Improvement
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: 8.4.1
Fix Version/s: None
Component/s: search
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Description

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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Screen Shot 2020-07-09 at 4.38.03 PM.png
09/Jul/20 11:08
1013 kB
Shalin Shekhar Mangar

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Assignee:: Unassigned

Reporter:: Shalin Shekhar Mangar

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Watchers:: 3 Start watching this issue

Dates

Created:: 09/Jul/20 11:10

Updated:: 14/Aug/20 15:20