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https://issues.apache.org/jira/browse/HDFS-17588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17867953#comment-17867953
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ASF GitHub Bot commented on HDFS-17588:
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fuchaohong opened a new pull request, #6956:
URL: https://github.com/apache/hadoop/pull/6956
JIRA: https://issues.apache.org/jira/browse/HDFS-17588.
When using RouterObserverReadProxyProvider to initiate the first RPC
request, the router routes this RPC to the active namenode and updates the
stateid of the corresponding nameservice. However, the stateid of other
nameservices is not updated. Clients should first perform msync to update the
stateid of all nameservices with enabled Observers.
> RBF: RouterObserverReadProxyProvider should perform an msync before executing
> the first read.
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-17588
> URL: https://issues.apache.org/jira/browse/HDFS-17588
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Reporter: fuchaohong
> Priority: Major
>
> When using RouterObserverReadProxyProvider to initiate the first RPC request,
> the router routes this RPC to the active namenode and updates the stateid of
> the corresponding nameservice. However, the stateid of other nameservices is
> not updated. Clients should first perform msync to update the stateid of all
> nameservices with enabled Observers.
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