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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Throttle replication speed in case of datanode failure
Date Thu, 17 Jan 2013 18:03:45 GMT
Since this is a Hadoop question, it should be sent
user@hadoop.apache.org (which I'm now sending this to and I put
user@hbase in BCC).


On Thu, Jan 17, 2013 at 9:54 AM, Brennon Church <brennon@getjar.com> wrote:
> Hello,
> Is there a way to throttle the speed at which under-replicated blocks are
> copied across a cluster?  Either limiting the bandwidth or the number of
> blocks per time period would work.
> I'm currently running Hadoop v1.0.1.  I think the
> dfs.namenode.replication.work.multiplier.per.iteration option would do the
> trick, but that is in v1.1.0 and higher.
> Thanks.
> --Brennon

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