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https://issues.apache.org/jira/browse/HDFS-14390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16802450#comment-16802450
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Virajith Jalaparti commented on HDFS-14390:
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Thanks for reporting and working on this [~ashvin]. The patch looks good to me.
My only concern is that for this to work the namenode and datanode principles
have to be the same if {{InMemoryAliasMapClient.java}} is used by both.
> Provide kerberos support for AliasMap service used by Provided storage
> ----------------------------------------------------------------------
>
> Key: HDFS-14390
> URL: https://issues.apache.org/jira/browse/HDFS-14390
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ashvin
> Priority: Major
> Attachments: HDFS-14390.001.patch
>
>
> With {{PROVIDED}} storage (-HDFS-9806)-, HDFS can address data stored in
> external storage systems. This feature is not supported in a secure HDFS
> cluster. The {{AliasMap}} service does not support kerberos, and as a result
> the cluster nodes will fail to communicate with it. This JIRA is to enable
> kerberos support for the {{AliasMap}} service.
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