iprithv commented on code in PR #16212:
URL: https://github.com/apache/lucene/pull/16212#discussion_r3461434544
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lucene/core/src/java/org/apache/lucene/search/LRUQueryCache.java:
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@@ -1290,14 +1319,8 @@ public synchronized void cleanUp() {
keysToClean.removeAll(keysToCleanCopy);
queriesToClean.removeAll(queriesToCleanCopy);
- for (QueryCacheKey queryCacheKey : keys()) {
Review Comment:
got it, updated removeMatching() to scan under the read lock and only take
the write lock for the removals. Also made keys() return a safe snapshot under
the read lock. thank you!
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