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https://issues.apache.org/jira/browse/HBASE-3660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13008307#comment-13008307
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stack commented on HBASE-3660:
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But the region is not deployed right Cosmin? And can't if LZO is borked?
Isn't this the bigger problem?
The .META. will be updated on successful region deploy? We keep the old .META.
data around because we want to assign regions to their old location on restart
(because of locality).
> 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
> 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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