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From "Jimmy Xiang (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5281) Should a failure in creating an unassigned node abort the master?
Date Wed, 01 Feb 2012 00:46:57 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13197440#comment-13197440
] 

Jimmy Xiang commented on HBASE-5281:
------------------------------------

I think it is safer to retry certain times before abort.
                
> Should a failure in creating an unassigned node abort the master?
> -----------------------------------------------------------------
>
>                 Key: HBASE-5281
>                 URL: https://issues.apache.org/jira/browse/HBASE-5281
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.90.5
>            Reporter: Harsh J
>            Assignee: Harsh J
>             Fix For: 0.94.0, 0.92.1
>
>         Attachments: HBASE-5281.patch
>
>
> In {{AssignmentManager}}'s {{CreateUnassignedAsyncCallback}}, we have the following condition:
> {code}
> if (rc != 0) {
>         // Thisis resultcode.  If non-zero, need to resubmit.
>         LOG.warn("rc != 0 for " + path + " -- retryable connectionloss -- " +
>           "FIX see http://wiki.apache.org/hadoop/ZooKeeper/FAQ#A2");
>         this.zkw.abort("Connectionloss writing unassigned at " + path +
>           ", rc=" + rc, null);
>         return;
> }
> {code}
> While a similar structure inside {{ExistsUnassignedAsyncCallback}} (which the above is
linked to), does not have such a force abort.
> Do we really require the abort statement here, or can we make do without?

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