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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-3660) If regions assignment fails, clients will be directed to stale data from .META.
Date Sun, 20 Mar 2011 02:38:29 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-3660:
-------------------------

    Priority: Critical  (was: Major)

Thanks Cosmin for the detail. Lets fix for 0.90.2.

> If regions assignment fails, clients will be directed to stale data from .META.
> -------------------------------------------------------------------------------
>
>                 Key: HBASE-3660
>                 URL: https://issues.apache.org/jira/browse/HBASE-3660
>             Project: HBase
>          Issue Type: Bug
>          Components: master, regionserver
>    Affects Versions: 0.90.1
>            Reporter: Cosmin Lehene
>            Priority: Critical
>             Fix For: 0.90.2
>
>
> I've noticed this when the IP on my machine changed (it's even easier to detect when
LZO doesn't work)
> Master loads .META. successfully and then starts assigning regions.
> However LZO doesn't work so HRegionServer can't open the regions. 
> A client attempts to get data from a table so it reads the location from .META. but goes
to a totally different server (the old value in .META.)
> This could happen without the LZO story too. 

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