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From "stack (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3909) Add dynamic config
Date Fri, 24 Feb 2012 03:35:56 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13215346#comment-13215346
] 

stack commented on HBASE-3909:
------------------------------

bq. The assumption is there wouldn't be many such config items to change. We should survey
and validate this assumption.

You could do hundreds or even put every config. up there if you wanted.  Should be fine.

bq. When would these znodes be deleted ?

Not sure.  Good question.  Their insertion would trigger the callback so they'd be useless
after putting.  Could let them just expire.  Might be good to keep them around though so could
get an idea of what was changed via zk.  Need to think on it.
                
> Add dynamic config
> ------------------
>
>                 Key: HBASE-3909
>                 URL: https://issues.apache.org/jira/browse/HBASE-3909
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>             Fix For: 0.94.0
>
>
> I'm sure this issue exists already, at least as part of the discussion around making
online schema edits possible, but no hard this having its own issue.  Ted started a conversation
on this topic up on dev and Todd suggested we lookd at how Hadoop did it over in HADOOP-7001

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