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From Juraj jiv <fatcap....@gmail.com>
Subject Re: HDFS balancer ending with error
Date Mon, 02 Feb 2015 08:55:54 GMT
Hello, restart cloudera cluster helped. After that balancer started
working. Dunno why, all fine now.

JV

On Fri, Jan 30, 2015 at 2:41 AM, Anurag Tangri <anurag_tangri@yahoo.com>
wrote:

> Is your cluster fully upgraded to CDH5 ?
>
>
> Thanks,
> Anurag Tangri
>
> > On Jan 29, 2015, at 6:33 AM, Juraj jiv <fatcap.jiv@gmail.com> wrote:
> >
> > Hello,
> > I noticed our CDH5 cluster is not balanced and balancer role is missing.
> So i added via cloudera manager new balancer role and clicked on rebalance
> in hdfs menu. After some time task ended as failed.
> >
> > In logs i can balancer started but when it want to start moving blocks
> all failed with message like:
> > 2015-01-29 15:26:55,131 WARN  [pool-4-thread-4] balancer.Balancer
> (Balancer.java:dispatch(362)) - Failed to move blk_1095182943_21451284 with
> size=43 from 10.xx.xx.14:50010 to 10.xx.xx.12:50010 through
> 10.xx.xx.14:50010: Premature EOF: no length prefix available
> > Any idea what is the problem about? Cluster is working fine so i have no
> clue. Maybe i need restart HDFS service first?
> >
> > Thanks,
> > JV
>

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