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From Stack <st...@duboce.net>
Subject Re: tables disappearing after upgrading 0.20.3 => 0.20.4
Date Fri, 14 May 2010 03:09:45 GMT
Whats the shelll say?  Does it see the tables consistently?  Can you
count your content consistently?
St.Ack

On Thu, May 13, 2010 at 4:53 PM, Viktors Rotanovs
<viktors.rotanovs@gmail.com> wrote:
> Hi,
>
> after upgrading from 0.20.3 to 0.20.4 a list of tables almost
> immediately becomes inconsistent - master.jsp shows no tables even
> after creating test table in hbase shell, tables which were available
> before start randomly appearing and disappearing, etc. Upgrading was
> done by stopping, upgrading code, and then starting (no dump/restore
> was done).
> I didn't investigate yet, just checking if somebody had the same
> problem or if I did upgrade right (I had exactly the same issue in the
> past when trying to apply HBASE-2174 manually).
>
> Environment:
> Small tables, <100k rows
> Amazon EC2, "c1.xlarge" instance type with Ubuntu 9.10 and EBS root,
> HBase installed manually
> 1 master (namenode + jobtracker + master), 3 slaves (tasktracker +
> datanode + regionserver + zookeeper)
> Hadoop 0.20.1+169.68~1.karmic-cdh2 from Cloudera distribution
> Flaky DNS issue present, happens about once per day even with dnsmasq
> installed (heartbeat every 1s, dnsmasq forwards requests once per
> minute), DDNS set for internal hostnames.
>
> This is a testing cluster, nothing important on it.
>
> Cheers,
> -- Viktors
>

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