Hexiaoqiao commented on a change in pull request #2737:
URL: https://github.com/apache/hadoop/pull/2737#discussion_r613305815
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogAsync.java
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@@ -117,6 +125,7 @@ void openForWrite(int layoutVersion) throws IOException {
public void close() {
super.close();
stopSyncThread();
+ logSyncNotifyExecutor.shutdown();
Review comment:
It could meet issue when transition active to standby then transition
back here. Because executor has been shutdown and no response will be sent.
Moreover I suspect that namenode process could fatal in this case. In my
opinion, we do not need to shutdown this executor. FYI. Thanks.
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