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https://issues.apache.org/jira/browse/HDFS-16767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17603796#comment-17603796
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ASF GitHub Bot commented on HDFS-16767:
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simbadzina commented on code in PR #4127:
URL: https://github.com/apache/hadoop/pull/4127#discussion_r970129597
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/resolver/MembershipNamenodeResolver.java:
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@@ -73,8 +74,13 @@
/** Parent router ID. */
private String routerId;
- /** Cached lookup of NN for nameservice. Invalidated on cache refresh. */
+ /** Cached lookup of NN for nameservice with active state ranked first.
Review Comment:
Fixed.
> 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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