[jira] [Updated] (HDFS-13522) RBF: Support observer node from Router-Based Federation

["Owen O'Malley (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-13522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley updated HDFS-13522:
---------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed
           Status: Resolved  (was: Patch Available)

I committed this. Thanks, Simba!

> RBF: Support observer node from Router-Based Federation
> -------------------------------------------------------
>
>                 Key: HDFS-13522
>                 URL: https://issues.apache.org/jira/browse/HDFS-13522
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: federation, namenode
>            Reporter: Erik Krogen
>            Assignee: Simbarashe Dzinamarira
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>         Attachments: HDFS-13522.001.patch, HDFS-13522.002.patch, HDFS-13522_WIP.patch, RBF_ Observer support.pdf, Router+Observer RPC clogging.png, ShortTerm-Routers+Observer.png, observer_reads_in_rbf_proposal_simbadzina_v1.pdf, observer_reads_in_rbf_proposal_simbadzina_v2.pdf
>
>          Time Spent: 20h 50m
>  Remaining Estimate: 0h
>
> Changes will need to occur to the router to support the new observer node.
> One such change will be to make the router understand the observer state, e.g. {{FederationNamenodeServiceState}}.



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