boicehuang commented on code in PR #13306: URL: https://github.com/apache/lucene/pull/13306#discussion_r1581809438
########## lucene/core/src/java/org/apache/lucene/search/LRUQueryCache.java: ########## @@ -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: In my optimization, the writing to `cache` object was still protected via the write lock, but reading `cache` object can be a concurrent action via making `cache` object to be `ConcurrentHashMap`. This is the key point of my optimization. I am also trying to read through all the concurrency paths with a picture. ########## lucene/core/src/java/org/apache/lucene/search/LRUQueryCache.java: ########## @@ -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: In my optimization, the writing to `cache` object was still protected via the write lock, but reading `cache` object can be a concurrent action via making `cache` object to be `ConcurrentHashMap`. This is the key point of my optimization. I am also trying to read through all the concurrency paths with a picture. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org