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From Stack <st...@duboce.net>
Subject Re: hbck -fix
Date Fri, 01 Jul 2011 20:55:24 GMT
What version of hbase are you on Wayne?

On Fri, Jul 1, 2011 at 8:32 AM, Wayne <wav100@gmail.com> wrote:
> I ran the hbck command and found 14 inconsistencies. There were files in
> hdfs not used for region

These are usually harmless.  Bad accounting on our part.  Need to plug the hole.

>, regions with the same start key, a hole in the
> region chain, and a missing start region with an empty key.

These are pretty serious.

How'd the master running out of root partition do this?  I'd be
interested to know.

> We are not in production so we have the luxury to start again, but the
> damage to our confidence is severe. Is there work going on to improve hbck
> -fix to actually be able to resolve these types of issues? Do we need to
> expect to run a production hbase cluster to be able to move around and
> rebuild the region definitions and the .META. table by hand? Things just got
> a lot scarier fast for us, especially since we were hoping to go into
> production next month. Running out of disk space on the master's root
> partition can bring down the entire cluster? This is scary...



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