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From "Erik Krogen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13331) Add lastSeenStateId to RpcRequestHeader.
Date Mon, 26 Mar 2018 22:45:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414704#comment-16414704
] 

Erik Krogen commented on HDFS-13331:
------------------------------------

Hey [~zero45], can you upload the patch with the correct naming to apply to HDFS-12943 branch
so we can get a Jenkins run?

> Add lastSeenStateId to RpcRequestHeader.
> ----------------------------------------
>
>                 Key: HDFS-13331
>                 URL: https://issues.apache.org/jira/browse/HDFS-13331
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Plamen Jeliazkov
>            Assignee: Plamen Jeliazkov
>            Priority: Major
>         Attachments: HDFS-13331.trunk.001.patch, HDFS_13331.trunk.000.patch
>
>
> HDFS-12977 added a stateId into the RpcResponseHeader which is returned by NameNode and
stored by DFSClient.
> This JIRA is to followup on that work and have the DFSClient send their stored "lastSeenStateId"
in the RpcRequestHeader so that ObserverNodes can then compare with their own and act accordingly.
> This JIRA work focuses on just the part of making DFSClient send their state through
RpcRequestHeader.



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