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https://issues.apache.org/jira/browse/HADOOP-1980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12658224#action_12658224
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Boris Shkolnik commented on HADOOP-1980:
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+1
patch looks good
> 'dfsadmin -safemode enter' should prevent the namenode from leaving safemode
> automatically after startup
> --------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-1980
> URL: https://issues.apache.org/jira/browse/HADOOP-1980
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Reporter: Koji Noguchi
> Assignee: Raghu Angadi
> Priority: Minor
> Attachments: extendSafeMode.patch, HADOOP-1980-branch-18.patch,
> HADOOP-1980.patch, HADOOP-1980.patch
>
>
> When debugging, I'd like to be able to intentionally keep the FS in a
> safemode. (For example, when looking at HADOOP-1978).
> Also, it'll be nice if the namenode can still update the webUI/report when it
> hits the dfs.safemode.threshold.pct.
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