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https://issues.apache.org/jira/browse/HDFS-6558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chen He updated HDFS-6558:
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Attachment: HDFS-6558.patch
> Missing '\n' in the description of dfsadmin -rollingUpgrade
> -----------------------------------------------------------
>
> Key: HDFS-6558
> URL: https://issues.apache.org/jira/browse/HDFS-6558
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.4.0
> Reporter: Akira AJISAKA
> Priority: Trivial
> Labels: newbie
> Attachments: HDFS-6558.patch
>
>
> In DFSAdmin.java, '\n' should be added at the end of the line
> {code}
> + " prepare: prepare a new rolling upgrade."
> {code}
> to clean up the following help message.
> {code}
> $ hdfs dfsadmin -help rollingUpgrade
> -rollingUpgrade [<query|prepare|finalize>]:
> query: query the current rolling upgrade status.
> prepare: prepare a new rolling upgrade. finalize: finalize the current
> rolling upgrade.
> {code}
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