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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2991) Add support for refreshNodes in master
Date Wed, 15 Sep 2010 23:38:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12909946#action_12909946
] 

stack commented on HBASE-2991:
------------------------------

@Matthew In hbase case, what would -refreshNodes do?  Would it talk to hbase master and tell
it only allow in whats in regionservers file (an includes list only, or do you want us to
support 'excludes' )?  Any regionserver that comes in that is not in the current regionserver
list, its asked to close itself down cleanly?

> Add support for refreshNodes in master
> --------------------------------------
>
>                 Key: HBASE-2991
>                 URL: https://issues.apache.org/jira/browse/HBASE-2991
>             Project: HBase
>          Issue Type: Wish
>          Components: master
>            Reporter: Matthew Welty
>            Priority: Minor
>
> -refreshNodes capabilities should be added to bin/hbase (or to a new script called `hbaseadmin`,
if we want to maintain command name consistency) with cluster exclusion functionality similar
to the capabilities of dfsadmin and mradmin. For ease of administration, the behavior of this
option should be procedurally identical to the functions of the Hadoop Common components,
including modifying the exclusion list via a local 'excludes' configuration file and display
of excluded nodes via the web UI.
> A command overview for the behavior of -refreshNodes in dfsadmin is here:
> http://hadoop.apache.org/common/docs/current/commands_manual.html#dfsadmin
> The command overview for -refreshNodes in mradmin is here:
> http://hadoop.apache.org/common/docs/current/commands_manual.html#mradmin

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