xinglin commented on code in PR #5803:
URL: https://github.com/apache/hadoop/pull/5803#discussion_r1259001493
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hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/ObserverReadProxyProvider.java:
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@@ -648,6 +645,7 @@ public synchronized void close() throws IOException {
}
}
failoverProxy.close();
+ nnProbingThreadPool.shutdown();
Review Comment:
The expected behavior is we will wait for the main thread to exit and the
threads in the executorService pool to shut down (after idle for 10 seconds).
Then, the JVM process will be shut down. In the worst case, we may take 10 more
seconds to shut down the JVM process.
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