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https://issues.apache.org/jira/browse/HDFS-16452?focusedWorklogId=744876&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-744876
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ASF GitHub Bot logged work on HDFS-16452:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 21/Mar/22 08:24
Start Date: 21/Mar/22 08:24
Worklog Time Spent: 10m
Work Description: hfutatzhanghb commented on pull request #3976:
URL: https://github.com/apache/hadoop/pull/3976#issuecomment-1073612305
hi， @xkrogen . So sorry for disturbing you. I have a new idea about what we
have discussed.
In practice, We usually plan some machines as Observer Namenode before setup
cluster. Can we add a configuration entry in hdfs-site.xml to specify the nnid
of Observer namenode ? After doing so, when we initialize failoverProxy, we
can aovid
adding observer namenodes to the proxies list. I am looking forward to
your reply. Thx a lot.
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Issue Time Tracking
-------------------
Worklog Id: (was: 744876)
Time Spent: 2h 50m (was: 2h 40m)
> msync RPC should send to Acitve Namenode directly
> --------------------------------------------------
>
> Key: HDFS-16452
> URL: https://issues.apache.org/jira/browse/HDFS-16452
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namanode
> Affects Versions: 3.3.1
> Reporter: zhanghaobo
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> In current ObserverReadProxyProvider implementation, we use the following
> code to invoke msync RPC.
> {code:java}
> getProxyAsClientProtocol(failoverProxy.getProxy().proxy).msync(); {code}
> But msync RPC maybe send to Observer NameNode in this way, and then failover
> to Active NameNode. This can be avoid by applying this patch.
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