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https://issues.apache.org/jira/browse/HDFS-10629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392116#comment-15392116
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Ming Ma commented on HDFS-10629:
--------------------------------
Thanks [~jakace] for the patch! Yes it is better to make the jira smaller as
[~rakeshr] [~elgoiri] said. Here are couple ideas:
* Can we defer stateStore, NamenodeHearbeatService and NamenodeStatusReport to
other patches?
* ClientProtocol has methods used by applications as well as dfsadmin. This
patch can cover applications specific methods and have another jira to take
care of getDatanodeReport and other dfsadmin methods.
* The patch includes basic support for StandbyException, but more work is
needed to cover all different exception, more info can be found in
{{RetryPolicies}}.
In other words, maybe the goal of the jira can be something like "to support
read/write operations without HA".
> Federation Router
> -----------------
>
> Key: HDFS-10629
> URL: https://issues.apache.org/jira/browse/HDFS-10629
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Inigo Goiri
> Assignee: Jason Kace
> Attachments: HDFS-10629.000.patch, HDFS-10629.001.patch
>
>
> Component that routes calls from the clients to the right Namespace. It
> implements {{ClientProtocol}}.
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