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https://issues.apache.org/jira/browse/HDFS-9129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14947444#comment-14947444
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Daryn Sharp commented on HDFS-9129:
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Very close to a prototype I was working on. To save some reviewing time, can
you detail which chunks of code are not wholesale copy-paste into the block
manager? For those altered chunks, what logic was changed? There's been a
number of dicey safemode block count bugs, some elusive ones still exist, so an
initial change should defer any logic changes to another jira to minimize risk.
> Move the safemode block count into BlockManager
> -----------------------------------------------
>
> Key: HDFS-9129
> URL: https://issues.apache.org/jira/browse/HDFS-9129
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Haohui Mai
> Assignee: Mingliang Liu
> Attachments: HDFS-9129.000.patch, HDFS-9129.001.patch
>
>
> The {{SafeMode}} needs to track whether there are enough blocks so that the
> NN can get out of the safemode. These fields can moved to the
> {{BlockManager}} class.
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