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https://issues.apache.org/jira/browse/HDFS-15980?focusedWorklogId=584393&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-584393
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ASF GitHub Bot logged work on HDFS-15980:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Apr/21 17:23
Start Date: 16/Apr/21 17:23
Worklog Time Spent: 10m
Work Description: uzshao opened a new pull request #2921:
URL: https://github.com/apache/hadoop/pull/2921
See https://issues.apache.org/jira/browse/HDFS-15980
HDFS-15754 introduces 4 new metrics in DataNodeMetrics. However the test
associated with the patch has some bugs. This issue is to fix those bugs in
the tests.
Please note that the non-test code of HDFS-15754 worked fine without any
bugs.
There are 3 issues:
1. The metric names in the tests were incorrect;
2. The tests only checked the metrics of DataNode 0, but one of the metrics,
PacketsSlowWriteToMirror, is only updated on 2 of the 3 DataNodes, so this
created an indeterministic failure.
3. The metric PacketsSlowWriteToOsCache was not updated in the test due to
the fact that the size of the file was smaller than
BlockReceiver.CACHE_DROP_LAG_BYTES
All of them are fixed in this patch.
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Issue Time Tracking
-------------------
Worklog Id: (was: 584393)
Remaining Estimate: 0h
Time Spent: 10m
> Fix tests for HDFS-15754 Create packet metrics for DataNode
> -----------------------------------------------------------
>
> Key: HDFS-15980
> URL: https://issues.apache.org/jira/browse/HDFS-15980
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Priority: Trivial
> Time Spent: 10m
> Remaining Estimate: 0h
>
> HDFS-15754 introduces 4 new metrics in DataNodeMetrics. However the test
> associated with the patch has some bugs. This issue is to fix those bugs in
> the tests.
> Please note that the non-test code of HDFS-15754 worked fine without any bugs.
>
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