boicehuang commented on code in PR #13306:
URL: https://github.com/apache/lucene/pull/13306#discussion_r1576153792


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lucene/core/src/java/org/apache/lucene/search/LRUQueryCache.java:
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@@ -177,7 +180,6 @@ public boolean test(LeafReaderContext context) {
    * @lucene.experimental
    */
   protected void onHit(Object readerCoreKey, Query query) {
-    assert lock.isHeldByCurrentThread();

Review Comment:
   I adjust `missCount` and `hitCount` to be `LongAdder` objects and get the 
benchmark results as follows.
   
   doc count | field cardinality | query point | baseline QPS | candidate QPS | 
diff percentage
   -- | -- | -- | -- | -- | --
   30000000 | 10 | 1 | 2481 | 5102 | 105.6%
   30000000 | 10 | 1 | 2481 | 4843 |  95.2% (using `LongAdder `)
   



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