Sanne Grinovero created LUCENE-6909:
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Summary: Improve concurrency for FacetsConfig
Key: LUCENE-6909
URL: https://issues.apache.org/jira/browse/LUCENE-6909
Project: Lucene - Core
Issue Type: Improvement
Components: core/other
Affects Versions: 5.3
Reporter: Sanne Grinovero
Priority: Trivial
The design of {{org.apache.lucene.facet.FacetsConfig}} encourages reuse of a
single instance across multiple threads, yet the current synchronization model
is too strict as it doesn't allow for concurrent read operations.
I'll attach a trivial patch which removes the contention point.
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