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https://issues.apache.org/jira/browse/HDFS-13798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16570966#comment-16570966
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Íñigo Goiri commented on HDFS-13798:
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It may make sense to check the mkdir return code check as findbugs suggests.
Other than that, the concept looks good.
> Create InMemoryAliasMap location if missing.
> --------------------------------------------
>
> Key: HDFS-13798
> URL: https://issues.apache.org/jira/browse/HDFS-13798
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Virajith Jalaparti
> Assignee: Virajith Jalaparti
> Priority: Major
> Attachments: HDFS-13798.001.patch, HDFS-13798.002.patch
>
>
> If the {{InMemoryAliasMap}} location does not exist, it throws an error. This
> can stop the Namenode from starting. This JIRA proposes to create the
> location if missing.
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