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Posted to hdfs-issues@hadoop.apache.org by "Yiqun Lin (JIRA)" <ji...@apache.org> on 2018/01/03 07:30:00 UTC
[jira] [Comment Edited] (HDFS-11847) Enhance dfsadmin listOpenFiles
command to list files blocking datanode decommissioning
[ https://issues.apache.org/jira/browse/HDFS-11847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16309238#comment-16309238 ]
Yiqun Lin edited comment on HDFS-11847 at 1/3/18 7:29 AM:
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Seems this JIRA can be resolved. Closed this.
Hi [~manojg], as I see this patch was committed, I have rebased the patch in HDFS-11848. It would be nice to implement list files under given path as well. Please have a look when you get a chance.
was (Author: linyiqun):
Seems this JIRA can be resolved. Closed this.
Hi [~manojg], as I see this patch was committed, I have rebased the patch in HDFS-12878. It would be nice to implement list files under given path as well. Please have a look when you get a chance.
> Enhance dfsadmin listOpenFiles command to list files blocking datanode decommissioning
> --------------------------------------------------------------------------------------
>
> Key: HDFS-11847
> URL: https://issues.apache.org/jira/browse/HDFS-11847
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Affects Versions: 3.0.0-alpha1
> Reporter: Manoj Govindassamy
> Assignee: Manoj Govindassamy
> Fix For: 3.1.0
>
> Attachments: HDFS-11847.01.patch, HDFS-11847.02.patch, HDFS-11847.03.patch, HDFS-11847.04.patch, HDFS-11847.05.patch
>
>
> HDFS-10480 adds {{listOpenFiles}} option is to {{dfsadmin}} command to list all the open files in the system.
> Additionally, it would be very useful to only list open files that are blocking the DataNode decommissioning. With thousand+ node clusters, where there might be machines added and removed regularly for maintenance, any option to monitor and debug decommissioning status is very helpful. Proposal here is to add suboptions to {{listOpenFiles}} for the above case.
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