LiuGuH commented on code in PR #6390:
URL: https://github.com/apache/hadoop/pull/6390#discussion_r1440022147
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/StateStoreService.java:
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@@ -116,7 +116,7 @@ public class StateStoreService extends CompositeService {
/** Service to maintain State Store caches. */
private StateStoreCacheUpdateService cacheUpdater;
/** Time the cache was last successfully updated. */
- private long cacheLastUpdateTime;
+ private long cacheLastUpdateTime = 0;
Review Comment:
Thanks for review.
Yes, the default value of long is 0, but I think it is better to assign to
0 for emphasis on completing initialization.
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