boicehuang commented on code in PR #13306:
URL: https://github.com/apache/lucene/pull/13306#discussion_r1580286445
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lucene/core/src/java/org/apache/lucene/search/LRUQueryCache.java:
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@@ -265,7 +269,6 @@ boolean requiresEviction() {
}
CacheAndCount get(Query key, IndexReader.CacheHelper cacheHelper) {
- assert lock.isHeldByCurrentThread();
assert key instanceof BoostQuery == false;
assert key instanceof ConstantScoreQuery == false;
final IndexReader.CacheKey readerKey = cacheHelper.getKey();
Review Comment:
Yes, So I want to try best to optimize this neck. I think `uniqueQueries`
should be `Collections.synchronizedMap` to achieve LRU expiration, but `cache`
can be `ConcurrentHashMap` to improve performance.
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