Andrew Wang created HDFS-4941:
---------------------------------
Summary: 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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