amahussein commented on a change in pull request #2408:
URL: https://github.com/apache/hadoop/pull/2408#discussion_r513142714
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileChecksum.java
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@@ -575,6 +596,8 @@ private FileChecksum getFileChecksum(String filePath, int
range,
dnIdxToDie = getDataNodeToKill(filePath);
DataNode dnToDie = cluster.getDataNodes().get(dnIdxToDie);
shutdownDataNode(dnToDie);
+ // wait enough time for the locations to be updated.
+ Thread.sleep(STALE_INTERVAL);
Review comment:
Yes, I agree with you @goiri .
I experimented with wait for number of live replicas: this did not work. It
stayed 8 and did not go back to 9.
Do you have suggestion what conditions should we be waiting for?
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