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https://issues.apache.org/jira/browse/HDFS-2830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221423#comment-13221423
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Aaron T. Myers commented on HDFS-2830:
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Converting to top-level issue with commit of HDFS-1623.
> HA: Improvements for SBN web UI
> -------------------------------
>
> Key: HDFS-2830
> URL: https://issues.apache.org/jira/browse/HDFS-2830
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, name-node
> Affects Versions: 0.24.0
> Reporter: Todd Lipcon
>
> A few improvements should be done to the NN web UI while it is in standby
> mode:
> - Since the SBN doesn't compute replication queues, we shouldn't show
> under-replicated/missing blocks or corrupt files
> - In an edits dir that is open for read only, we should probably mark it as
> such
> - We should include the latest txid reflected in the namespace, as well as
> expose some of the HA-related metrics (eg queued block reports)
> - We should include a link to the other NNs in the cluster, as well as the
> NN's nameservice ID and namenode ID when available.
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