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https://issues.apache.org/jira/browse/HDFS-3013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13216185#comment-13216185
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Todd Lipcon commented on HDFS-3013:
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Nice find, Mingjie. Want to take a crack at a patch? If not, I'll take this one.
> NameNode format doesn't pick up dfs.namenode.name.dir.NameServiceId configure
> -----------------------------------------------------------------------------
>
> Key: HDFS-3013
> URL: https://issues.apache.org/jira/browse/HDFS-3013
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha, name-node
> Affects Versions: HA branch (HDFS-1623), 0.23.0
> Reporter: Mingjie Lai
>
> One problem I observed at HA branch is that namenode -format doesn't pick up
> the right configured dfs.namenode.name.dir.NameServiceId. In this case,
> ``namenode -format'' will format the default directory instead of the
> configured one, while namenode will use the correct one.
> The root cause is that NameNode.initializeGenericKeys() is only invoked at
> the NameNode constructor. So it doesn't get called by static methods like
> format and finalize.
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