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https://issues.apache.org/jira/browse/HDFS-16061?focusedWorklogId=609742&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-609742
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ASF GitHub Bot logged work on HDFS-16061:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Jun/21 14:46
Start Date: 10/Jun/21 14:46
Worklog Time Spent: 10m
Work Description: amahussein opened a new pull request #3095:
URL: https://github.com/apache/hadoop/pull/3095
HDFS-16061 DFTestUtil.waitReplication can produce false positives
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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Issue Time Tracking
-------------------
Worklog Id: (was: 609742)
Remaining Estimate: 0h
Time Spent: 10m
> 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
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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