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From "Erik Krogen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13331) Add lastSeenStateId to RpcRequestHeader.
Date Wed, 04 Apr 2018 22:48:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Erik Krogen updated HDFS-13331:
-------------------------------
    Fix Version/s: HDFS-12943

> Add lastSeenStateId to RpcRequestHeader.
> ----------------------------------------
>
>                 Key: HDFS-13331
>                 URL: https://issues.apache.org/jira/browse/HDFS-13331
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-12943
>            Reporter: Plamen Jeliazkov
>            Assignee: Plamen Jeliazkov
>            Priority: Major
>             Fix For: HDFS-12943
>
>         Attachments: HDFS-13331-HDFS-12943.002.patch, HDFS-13331-HDFS-12943.003..patch,
HDFS-13331-HDFS-12943.004.patch, HDFS-13331-HDFS-12943.005.patch, 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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