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Posted to issues@lucene.apache.org by GitBox <gi...@apache.org> on 2021/09/14 14:10:06 UTC
[GitHub] [lucene-solr] madrob opened a new pull request #2572: SOLR-15555
madrob opened a new pull request #2572:
URL: https://github.com/apache/lucene-solr/pull/2572
Create a new cache mode for CaffeineCache where we can optionally use an
async cache instead of the synchronous implementation. This is useful
for cases (esp FilterQuery) where many identical requests come in near
the same time and they would otherwise race to fill the same cache slot.
CaffeineCache computeIfAbsent now accepts an IOFunction instead of
the non-throwing java.util.Function interface.
This required an update to CaffeineCache 2.9, which updates putIfAbsent
with an optimistic get.
Also incidentally fixes a rare bug where cache ramBytesUsed would be
incorrectly reported under heavy cache contention/eviction loads.
Based on c942c7242c2fb9f45b21675f5895835412ecaf7a
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[GitHub] [lucene-solr] madrob merged pull request #2572: SOLR-15555
Posted by GitBox <gi...@apache.org>.
madrob merged pull request #2572:
URL: https://github.com/apache/lucene-solr/pull/2572
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