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https://issues.apache.org/jira/browse/HBASE-4359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J updated HBASE-4359:
---------------------------
Attachment: HBase Master UI - Dead Servers.png
HBASE-4359.r1.diff
Jamon+tests patch that adds in the improvement. Please review!
I ran the updated master status servlet test.
{code}
-> mvn -Dtest=TestMasterStatusServlet test
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.hadoop.hbase.master.TestMasterStatusServlet
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.93 sec
Results :
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0
{code}
I also ran the build manually via bin/start-hbase.sh with proper config and
HDFS running. The screenshot shows the implementation.
Thanks in advance for reviews!
> 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: 0.94.0
>
> Attachments: HBASE-4359.r1.diff, 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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