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Posted to issues@hbase.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2011/09/14 18:35:09 UTC
[jira] [Commented] (HBASE-4359) Show dead RegionServer names in the
HMaster info page
[ 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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