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https://issues.apache.org/jira/browse/HDFS-16061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HDFS-16061 started by Ahmed Hussein.
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> DFTestUtil.waitReplication can produce false positives
> ------------------------------------------------------
>
> Key: HDFS-16061
> URL: https://issues.apache.org/jira/browse/HDFS-16061
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Major
>
> While checking the intermittent failure in
> TestBalancerRPCDelay#testBalancerRPCDelayQpsDefault described in HDFS-15146,
> I found that the implementation of waitReplication is incorrect.
> In the last iteration, when {{correctReplFactor}} is {{false}}, the thread
> sleeps for 1 second, then a {{TimeoutException}} is thrown without check
> whether the replication was complete in the last second.
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