smengcl commented on code in PR #5244:
URL: https://github.com/apache/ozone/pull/5244#discussion_r1320374690
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java:
##########
@@ -1426,7 +1426,9 @@ private void listStatusFindKeyInTableCache(
}
OzoneFileStatus fileStatus = new OzoneFileStatus(
cacheOmKeyInfo, scmBlockSize, !OzoneFSUtils.isFile(cacheKey));
- cacheKeyMap.put(cacheKey, fileStatus);
+ cacheKeyMap.putIfAbsent(cacheKey, fileStatus);
+ } else if (cacheOmKeyInfo == null && !cacheKeyMap.containsKey(cacheKey))
{
+ cacheKeyMap.put(cacheKey, null);
}
Review Comment:
Would you add some comments explaining the change in this block as well?
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