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https://issues.apache.org/jira/browse/HDFS-13522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17515681#comment-17515681
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Song Jiacheng edited comment on HDFS-13522 at 4/2/22 8:28 AM:
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Thx,[~simbadzina]:)
How about I do not upgrade client at all, cause router manages the states to
guarantee consistency, the clients don't need to do any change.
Actually our clients are still at version 2.6. It may cost a lot to upgrade to
3.x.
was (Author: song jiacheng):
Thx,[~simbadzina]:)
How about I do not upgrade client at all, cause router manages the states to
guarantee consistency, so the clients don't need to do any change.
Actually our clients are still at version 2.6. It may cost a lot to upgrade to
3.x.
> 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
> 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
>
> Time Spent: 4h 10m
> 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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