Michael McCandless created LUCENE-5303:
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Summary: OrdinalsCache should use reader.getCoreCacheKey()
Key: LUCENE-5303
URL: https://issues.apache.org/jira/browse/LUCENE-5303
Project: Lucene - Core
Issue Type: Bug
Components: modules/facet
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: 4.6, 5.0
I'm doing some facet performance tests, and I tried using the
CachedOrdsCountingFacetsAggregator to cache the decoded ords per doc X field
... but noticed it was generating way too many cache entries, because it's
currently using the NDV instance as the cache key.
NDV instances are thread-private so this results in way too many entries in the
cache.
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