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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5714) Add write permissions check before any hbck run that modifies hdfs.
Date Mon, 20 Aug 2012 21:27:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438228#comment-13438228

Jonathan Hsieh commented on HBASE-5714:

Thanks liang xie!  Looks good to me.   I'm committing (with minor tweaks to port to 0.94/0.92/0.90).
 Thanks for the review stack.
> Add write permissions check before any hbck run that modifies hdfs.
> -------------------------------------------------------------------
>                 Key: HBASE-5714
>                 URL: https://issues.apache.org/jira/browse/HBASE-5714
>             Project: HBase
>          Issue Type: Sub-task
>          Components: hbck
>    Affects Versions: 0.90.6, 0.92.2, 0.94.0, 0.96.0
>            Reporter: Jonathan Hsieh
>         Attachments: HBASE-5628.patch, HBASE-5628.patch.v2
> We encoutered a situation where hbck was run by an under-privileged user that was unable
to write/modify/merge regions due to hdfs perms.  Unfortunately, this user was alerted of
this  after several minutes of read-only operations.  hbck should fail early by having a write
perm check and providing actionable advice to the hbase admin.
> Maybe something like: "Current user yy does not have write perms to <hbase home>.
Please run hbck as hdfs user xxx"

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