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From "Todd Lipcon (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2830) HA: Improvements for SBN web UI
Date Tue, 24 Jan 2012 01:37:40 GMT
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: HA branch (HDFS-1623)
            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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