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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3181) Review, document, and fix up Regions-in-Transition timeout logic
Date Mon, 01 Nov 2010 06:15:28 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926846#action_12926846

HBase Review Board commented on HBASE-3181:

Message from: "Jonathan Gray" <jgray@apache.org>

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    adding this setOfflineInZK boolean as a mandatory argument to assignment is a critical
part of forcing us to get this stuff right.


    should be "are in transition" not "are not"

- Jonathan

> Review, document, and fix up Regions-in-Transition timeout logic
> ----------------------------------------------------------------
>                 Key: HBASE-3181
>                 URL: https://issues.apache.org/jira/browse/HBASE-3181
>             Project: HBase
>          Issue Type: Improvement
>          Components: master, regionserver, zookeeper
>    Affects Versions: 0.90.0
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>            Priority: Blocker
>             Fix For: 0.90.0
> In some of the testing Stack and I have been doing, we've uncovered some issues with
concurrent RS failure and when the Master is under heavy load.  It's led to situations where
we handle ZK events far after they actually occur and have uncovered some issues in our timeout
> This jira is about reviewing the timeout semantics, especially around ZK usage, and ensuring
that we handle things appropriately.

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