Re: [PR] Performance improvements to use RWLock to access LRUQueryCache [lucene]

[via GitHub]

boicehuang commented on code in PR #13306:
URL: https://github.com/apache/lucene/pull/13306#discussion_r1584480939


##########
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:
   
   ![LRUCache 
优化结构4](https://github.com/apache/lucene/assets/4607177/0652582e-46b7-494d-a5c2-ae48559a65a6)
   



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