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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4359) Show dead RegionServer names in the HMaster info page
Date Wed, 14 Sep 2011 16:35:09 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13104636#comment-13104636
] 

Hudson commented on HBASE-4359:
-------------------------------

Integrated in HBase-TRUNK #2208 (See [https://builds.apache.org/job/HBase-TRUNK/2208/])
    HBASE-4359 Show dead RegionServer names in the HMaster info page

stack : 
Files : 
* /hbase/trunk/CHANGES.txt
* /hbase/trunk/src/main/jamon/org/apache/hbase/tmpl/master/MasterStatusTmpl.jamon
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/MasterStatusServlet.java
* /hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestMasterStatusServlet.java


> Show dead RegionServer names in the HMaster info page
> -----------------------------------------------------
>
>                 Key: HBASE-4359
>                 URL: https://issues.apache.org/jira/browse/HBASE-4359
>             Project: HBase
>          Issue Type: Improvement
>          Components: master
>    Affects Versions: 0.90.4
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Trivial
>             Fix For: 0.92.0
>
>         Attachments: HBASE-4359.r1.diff, HBASE-4359.r2.diff, HBase Master UI - Dead Servers
(Yes, still dead).png, HBase Master UI - Dead Servers.png
>
>
> Unlike other components of the cluster, like NameNode and JobTracker pages, the HMaster's
info page does not show any data on dead region servers. While an RS is stateless being a
good reason not to count dead nodes, I think having a list of dead nodes helps in cases where
an administrator would want to find out which nodes are missing out on RS action (hey, everyone
likes consistently spiking graphs! ;)).
> Following HBASE-3580, I think it makes sense to have a list of already maintained dead
nodes show up in the info UI.

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