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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3431) Regionserver is not using the name given it by the master; double entry in master listing of servers
Date Thu, 27 Jan 2011 00:55:43 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12987320#action_12987320
] 

stack commented on HBASE-3431:
------------------------------

Workaround is to make reverse DNS on master produce same hostname as that which the RegionServer
reports (RS hostname lookup).

> Regionserver is not using the name given it by the master; double entry in master listing
of servers
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-3431
>                 URL: https://issues.apache.org/jira/browse/HBASE-3431
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.0
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.90.1
>
>         Attachments: 3431.txt
>
>
> Our man Ted Dunning found the following where RS checks in with one name, the master
tells it use another name but we seem to go ahead and continue with our original name.
> In RS logs I see:
> {code}
> 2011-01-07 15:45:50,757 INFO  org.apache.hadoop.hbase.regionserver.HRegionServer [regionserver60020]:
Master passed us address to use. Was=perfnode11:60020, Now=10.10.30.11:60020
> {code}
> On master I see
> {code}
> 2011-01-07 15:45:38,613 INFO  org.apache.hadoop.hbase.master.ServerManager [IPC Server
handler 0 on 60000]: Registering server=10.10.30.11,60020,1294443935414, regionCount=0, userLoad=false
> {code}
> ....
> then later
> {code}
> 2011-01-07 15:45:44,247 INFO  org.apache.hadoop.hbase.master.ServerManager [IPC Server
handler 2 on 60000]: Registering server=perfnode11,60020,1294443935414, regionCount=0, userLoad=true
> {code}
> This might be since we started letting servers register in other than with the reportStartup.

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