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https://issues.apache.org/jira/browse/HADOOP-13933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15775795#comment-15775795
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Yuanbo Liu commented on HADOOP-13933:
-------------------------------------
[~surendrasingh] Thanks for your new patch.
{code}
.put("-getAllServiceState",
new UsageInfo(null, "Returns the state of all the services"))
{code}
I'm wondering if we can use {{""}} instead of {{null}} so that we can get rid
of some null condition code, but I'm cool with the {{null}} parameter if you
want to keep it.
> Add haadmin command to get HA state of all the namenodes
> --------------------------------------------------------
>
> Key: HADOOP-13933
> URL: https://issues.apache.org/jira/browse/HADOOP-13933
> Project: Hadoop Common
> Issue Type: Improvement
> Components: tools
> Affects Versions: 2.7.1
> Reporter: Surendra Singh Lilhore
> Assignee: Surendra Singh Lilhore
> Attachments: HADOOP-13933.002.patch, HDFS-9559.01.patch
>
>
> Currently we have one command to get state of namenode.
> {code}
> ./hdfs haadmin -getServiceState <serviceId>
> {code}
> It will be good to have command which will give state of all the namenodes.
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