ramitg254 commented on code in PR #6376:
URL: https://github.com/apache/hive/pull/6376#discussion_r3122201691


##########
ql/src/java/org/apache/hadoop/hive/ql/cache/results/QueryResultsCache.java:
##########
@@ -549,6 +578,39 @@ public boolean setEntryValid(CacheEntry cacheEntry, 
FetchWork fetchWork) {
         return false;
       }
 
+      if (isSafeCacheWriteEnabled) {
+        Path resultDir = new Path(cacheDirPath, UUID.randomUUID().toString());
+        FileSystem cacheFs = resultDir.getFileSystem(conf);
+        cacheFs.mkdirs(resultDir);
+
+        Set<FileStatus> cacheFilesToFetch = new HashSet<>();
+        rwLock.writeLock().lock();

Review Comment:
   done moved to withWriteLock() method



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