boicehuang commented on code in PR #13306: URL: https://github.com/apache/lucene/pull/13306#discussion_r1584475381
########## lucene/core/src/java/org/apache/lucene/search/LRUQueryCache.java: ########## @@ -628,7 +632,7 @@ private class LeafCache implements Accountable { LeafCache(Object key) { this.key = key; - cache = new IdentityHashMap<>(); + cache = Collections.synchronizedMap(new IdentityHashMap<>()); Review Comment: Sorry, I misunderstood before. Since there is a read lock, concurrent access to IdentityHashMap does not require additional synchronized lock. I optimized the code as per your suggestion. ########## lucene/core/src/java/org/apache/lucene/search/LRUQueryCache.java: ########## @@ -628,7 +632,7 @@ private class LeafCache implements Accountable { LeafCache(Object key) { this.key = key; - cache = new IdentityHashMap<>(); + cache = Collections.synchronizedMap(new IdentityHashMap<>()); Review Comment: Sorry, I misunderstood here before. Since there is a read lock, concurrent access to IdentityHashMap does not require additional synchronized lock. I optimized the code as per your suggestion. -- 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