[GitHub] [lucene] hydrogen666 commented on pull request #11998: Migrate away from per-segment-per-threadlocals on SegmentReader

["hydrogen666 (via GitHub)" <gi...@apache.org>]

hydrogen666 commented on PR #11998:
URL: https://github.com/apache/lucene/pull/11998#issuecomment-1556962751

   In previous version `StoredFieldsReader` is cached in `ThreadLocal`, but now we need to `clone` `StoredFieldsReader` every time if we need to visit store fields. Will this PR cause any performance issue?


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