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Date: Sat, 22 Feb 2014 00:49:20 +0000 (UTC)
From: "Jeffrey Zhong (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12696437.1392944513178.84904.1393030160865@arcas>
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Subject: [jira] [Commented] (HBASE-10581) ACL znode are left without PBed
 during upgrading hbase0.94* to hbase0.96+
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    [ https://issues.apache.org/jira/browse/HBASE-10581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13909061#comment-13909061 ] 

Jeffrey Zhong commented on HBASE-10581:
---------------------------------------

{quote}
It's kind of crazy to even tacitly support customers writing their own custom znodes under /hbase , right?
{quote}
It sounds crazy but never under estimate our users' innovation here. In addition, cleaning data without knowing what it is also seems a bit dangerous. 

I'll wait more time to see if other more folks want to delete unknown znodes at the end. If that's the case, I'll amend the patch otherwise I'll check the current version early next week. Thanks for the reviews & feedbacks.

> ACL znode are left without PBed during upgrading hbase0.94* to hbase0.96+
> -------------------------------------------------------------------------
>
>                 Key: HBASE-10581
>                 URL: https://issues.apache.org/jira/browse/HBASE-10581
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.0, 0.96.0, 0.96.1
>            Reporter: Jeffrey Zhong
>            Assignee: Jeffrey Zhong
>            Priority: Critical
>         Attachments: hbase-10581.patch
>
>
> ACL znodes are left in the upgrade process when upgrading 0.94 to 0.96+
> Those 0.94 znodes will choke HMaster because their data aren't PBed.  


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