Show dead RegionServer names in the HMaster info page
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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
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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