dragon created HDFS-10159:
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Summary: CLONE - Erasure coding : Fix random failure in
TestSafeModeWithStripedFile
Key: HDFS-10159
URL: https://issues.apache.org/jira/browse/HDFS-10159
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: dragon
Assignee: J.Andreina
Fix For: HDFS-7285
TestSafeModeWithStripedFile#testStripedFile0 fails randomly because:
In below code they are restarting DN and even before DN registration happens to
NN, block report is triggered and following operation fails
i) Safemode safe block is counted (which is coming as 0 randomly , eventhough
one block is safe )
ii) Check for NN in safemode.
{code}
cluster.restartDataNode(dnprops.remove(0));
cluster.triggerBlockReports();
assertEquals(1, NameNodeAdapter.getSafeModeSafeBlocks(nn));
{code}
{code}
dnProperty = dnprops.remove(0);
restartDN(dnProperty,nameNodeAddress);
assertFalse(nn.isInSafeMode());
{code}
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