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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6880) Failure in assigning root causes system hang
Date Thu, 27 Sep 2012 05:43:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464468#comment-13464468

ramkrishna.s.vasudevan commented on HBASE-6880:

I think the problem that you are mentioning here is the one that i found in HBASE-6698 in
one the QA buids.
Once the RS registers to master we tend to assignRoot and there we fail if in the RPC layer
the flag 'started' is not set.
Should we go till the assign flow and then retry the assign? Could there be anyother better
way or something?  I understand that HBASE-6881 tries to solve this.  What you feel?
> Failure in assigning root causes system hang
> --------------------------------------------
>                 Key: HBASE-6880
>                 URL: https://issues.apache.org/jira/browse/HBASE-6880
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Jimmy Xiang
> In looking into a TestReplication failure, I found out sometimes assignRoot could fail,
for example, RS is not serving traffic yet.  In this case, the master will keep waiting for
root to be available, which could never happen.
> Need to gracefully terminate master if root is not assigned properly.

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