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https://issues.apache.org/jira/browse/HDFS-17112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17745343#comment-17745343
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ASF GitHub Bot commented on HDFS-17112:
---------------------------------------
hfutatzhanghb commented on code in PR #5866:
URL: https://github.com/apache/hadoop/pull/5866#discussion_r1270163504
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java:
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@@ -6664,6 +6664,8 @@ public String getDecomNodes() {
node.getLeavingServiceStatus().getOutOfServiceOnlyReplicas())
.put("underReplicateInOpenFiles",
node.getLeavingServiceStatus().getUnderReplicatedInOpenFiles())
+ .put("decommissionDuration",
+ monotonicNow() - node.getLeavingServiceStatus().getStartTime())
Review Comment:
Thanks a lot. @zhangshuyan0 .
> Show decommission duration in JMX and HTML
> ------------------------------------------
>
> Key: HDFS-17112
> URL: https://issues.apache.org/jira/browse/HDFS-17112
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Shuyan Zhang
> Assignee: Shuyan Zhang
> Priority: Major
> Labels: pull-request-available
>
> Expose decommission duration time in JMX page. It's a very useful info when
> decommissioning a batch of datanodes in a cluster.
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