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https://issues.apache.org/jira/browse/HDFS-16767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17603784#comment-17603784
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ASF GitHub Bot commented on HDFS-16767:
---------------------------------------
simbadzina commented on code in PR #4127:
URL: https://github.com/apache/hadoop/pull/4127#discussion_r970105963
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcClient.java:
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@@ -478,8 +498,13 @@ public Object invokeMethod(
rpcMonitor.proxyOp();
}
boolean failover = false;
+ boolean tryActive = false;
Review Comment:
We don't need an extra variable. I now set `shouldUseObserver` to false if
there is a RetryException from the Observer.
> RBF: Support observer node from Router-Based Federation
> --------------------------------------------------------
>
> Key: HDFS-16767
> URL: https://issues.apache.org/jira/browse/HDFS-16767
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Simbarashe Dzinamarira
> Assignee: Simbarashe Dzinamarira
> Priority: Major
> Labels: pull-request-available
>
> Enable routers to direct read calls to observer namenodes.
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