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https://issues.apache.org/jira/browse/HDFS-17017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17724119#comment-17724119
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Viraj Jasani commented on HDFS-17017:
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for the command output, it's not an intersection as such, but from slow node
usecase perspecitve, we want to know how many nodes are live and how many are
slow among them so the usecase of getting slow nodes is usually coupled with
live nodes (intention is for user/client to keep only "live - slow" nodes for
dfs ops i.e. live nodes that are not slow), but i agree that from the general
usability viewpoint, user should be able to print all or any combination of
categories.
> Fix the issue of arguments number limit in report command in DFSAdmin.
> ----------------------------------------------------------------------
>
> Key: HDFS-17017
> URL: https://issues.apache.org/jira/browse/HDFS-17017
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haiyang Hu
> Assignee: Haiyang Hu
> Priority: Major
>
> Currently, the DFSAdmin report command should support a maximum number of
> arguments of 7， such as :
> hdfs dfsadmin [-report] [-live] [-dead] [-decommissioning]
> [-enteringmaintenance] [-inmaintenance] [-slownodes]
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