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https://issues.apache.org/jira/browse/HDFS-4941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kihwal Lee resolved HDFS-4941.
------------------------------
Resolution: Duplicate
> TestNNThroughputBenchmark fails because of interrupted ReplicationMonitor
> -------------------------------------------------------------------------
>
> Key: HDFS-4941
> URL: https://issues.apache.org/jira/browse/HDFS-4941
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode, test
> Affects Versions: 3.0.0
> Reporter: Andrew Wang
>
> This has been breaking trunk test runs pretty consistently.
> HDFS-4840 introduced some new code to BlockManager that terminates the NN if
> the ReplicationMonitor thread is interrupted unexpectedly:
> {code}
> if (!namesystem.isRunning()) {
> LOG.info("Stopping ReplicationMonitor.");
> if (!(t instanceof InterruptedException)) {
> LOG.info("ReplicationMonitor received an exception"
> + " while shutting down.", t);
> }
> break;
> }
> LOG.fatal("ReplicationMonitor thread received Runtime exception. ",
> t);
> terminate(1, t);
> {code}
> Unfortunately, NNThroughputBenchmark interrupts in
> ReplicationStats#generateInputs:
> {code}
> // stop replication monitor
> BlockManagerTestUtil.getReplicationThread(namesystem.getBlockManager())
> .interrupt();
> {code}
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