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From "Kannan Muthukkaruppan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2190) HRS should report to master when HMsg are available
Date Fri, 12 Feb 2010 23:35:27 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12833244#action_12833244
] 

Kannan Muthukkaruppan commented on HBASE-2190:
----------------------------------------------

aah.. missed your commit comment earlier.

Also, I hadn't realized that we <<< keep sending messages to the master until the
region successfully opened>>>.  But upon reading the code further, it looks like
this happens via the "Progressable" reporter mechanism (in HRegionServer:instantiateRegion).

Makes sense now.




> HRS should report to master when HMsg are available
> ---------------------------------------------------
>
>                 Key: HBASE-2190
>                 URL: https://issues.apache.org/jira/browse/HBASE-2190
>             Project: Hadoop HBase
>          Issue Type: Improvement
>    Affects Versions: 0.20.3
>            Reporter: Jean-Daniel Cryans
>            Assignee: stack
>             Fix For: 0.20.4, 0.21.0
>
>         Attachments: 2190-v2.patch, 2190-v3.patch, 2190-v3.patch, HBASE-2190.patch
>
>
> It still takes a lot of time for the client to see splits or just regions that move around,
with default PE it takes around 4 seconds and creating a table takes a bit more than 2 seconds.
I remember having the discussion with Stack that HRS.run was not suppose to sleep if any message
to send. 
> Turns out it does sleep.

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