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https://issues.apache.org/jira/browse/HDFS-15842?focusedWorklogId=562166&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-562166
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ASF GitHub Bot logged work on HDFS-15842:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Mar/21 08:01
Start Date: 08/Mar/21 08:01
Worklog Time Spent: 10m
Work Description: LeonGao91 commented on a change in pull request #2738:
URL: https://github.com/apache/hadoop/pull/2738#discussion_r589230766
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/mover/Mover.java
##########
@@ -649,6 +664,11 @@ static int run(Map<URI, List<Path>> namenodes,
Configuration conf)
Map<Long, Set<DatanodeInfo>> excludedPinnedBlocks = new HashMap<>();
LOG.info("namenodes = " + namenodes);
+ DefaultMetricsSystem.initialize("Mover");
Review comment:
We have it in the internal branch with similar implementation but it is
not in upstream.
Surely, we can put the changes together. Let me update the JIRA to include
the balancer metrics.
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Issue Time Tracking
-------------------
Worklog Id: (was: 562166)
Time Spent: 0.5h (was: 20m)
> HDFS mover to emit metrics
> --------------------------
>
> Key: HDFS-15842
> URL: https://issues.apache.org/jira/browse/HDFS-15842
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Reporter: Leon Gao
> Assignee: Leon Gao
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> We can emit metrics thru metrics2 when running HDFS mover, which can help to
> monitor the progress and turn mover parameters.
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