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From "Jean-Marc Spaggiari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10049) Small improvments in region_mover.rb
Date Wed, 18 Dec 2013 18:18:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13851983#comment-13851983
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Jean-Marc Spaggiari commented on HBASE-10049:
---------------------------------------------

Ok. Just saw the comment for "c" ;)

20 seconds delay on a 300 nodes cluster is almost 2 hours... We should find another way to
achieve the same goal.

I will open a follow-up JIRA.

> Small improvments in region_mover.rb
> ------------------------------------
>
>                 Key: HBASE-10049
>                 URL: https://issues.apache.org/jira/browse/HBASE-10049
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liu Shaohui
>            Assignee: Liu Shaohui
>            Priority: Minor
>             Fix For: 0.98.0, 0.94.15, 0.96.2
>
>         Attachments: HBASE-10049-0.94-v1.diff, HBASE-10049-0.94-v2.diff, HBASE-10049-trunk-v1.diff
>
>
> We use region_mover.rb in the graceful upgrade of hbase cluster.
> Here are small improvements.
> a. remove the table.close(), because  the htable could be reused.
> b. Add more info in the log of moving region.
> c. Add 20s sleep in load command to make sure the rs finished initialization of rpc server.
There is a time gap between rs startup report and rpc server initialization.



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