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https://issues.apache.org/jira/browse/HDFS-8716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615690#comment-14615690
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Allen Wittenauer commented on HDFS-8716:
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Those need to go into the hdfs-default.xml. (which this patch will likely fail
in unit tests since there is a check for that now)
> introduce a new config specifically for safe mode block count
> -------------------------------------------------------------
>
> Key: HDFS-8716
> URL: https://issues.apache.org/jira/browse/HDFS-8716
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Chang Li
> Assignee: Chang Li
> Attachments: HDFS-8716.1.patch, HDFS-8716.2.patch, HDFS-8716.3.patch
>
>
> During the start up, namenode waits for n replicas of each block to be
> reported by datanodes before exiting the safe mode. Currently n is tied to
> the min replicas config. We could set min replicas to more than one but we
> might want to exit safe mode as soon as each block has one replica reported.
> This can be worked out by introducing a new config variable for safe mode
> block count
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