Ahmed Hussein created HDFS-15147:
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Summary: LazyPersistTestCase wait logic is error pruned
Key: HDFS-15147
URL: https://issues.apache.org/jira/browse/HDFS-15147
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Ahmed Hussein
Assignee: Ahmed Hussein
{{LazyPersistTestCase}} has some issues hat lead to inconsistent result of the
test cases:
* the wait periods to change of status is too long. It reaches 10 secs in some
cases.
* triggerBlockReport() only triggers FBR of DN with index 0. This is counter
intuitive because the JUnit tests restart the DN assuming that the restarted DN
will send a FBR. However, this never happens because the DN will get a new
index post restart.
{code:java}
protected final void triggerBlockReport()
throws IOException, InterruptedException {
// Trigger block report to NN
DataNodeTestUtils.triggerBlockReport(cluster.getDataNodes().get(0));
Thread.sleep(10 * 1000);
}
{code}
[~inigoiri] suggested that we propagate the findings and fixes from HDFS-13179
and HDFS-15144 into {{LazyPersistTestCase.java}}. This will eventually reduce
the runtime and make the test cases more stable.
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