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From Eran Kutner <e...@gigya.com>
Subject Re: Limiting the number of regions per RS
Date Tue, 15 Oct 2013 16:38:14 GMT
Thanks Vladimir.


On Mon, Oct 14, 2013 at 10:24 PM, Vladimir Rodionov <vrodionov@carrieriq.com
> wrote:

> You can write your own balancer and disable standard one:
> hbase.balancer.period = LONG.MAX_VALUE
> Best regards,
> Vladimir Rodionov
> Principal Platform Engineer
> Carrier IQ, www.carrieriq.com
> e-mail: vrodionov@carrieriq.com
> ________________________________________
> From: eran@gigya-inc.com [eran@gigya-inc.com] On Behalf Of Eran Kutner [
> eran@gigya.com]
> Sent: Monday, October 14, 2013 12:15 PM
> To: user@hbase.apache.org
> Subject: Limiting the number of regions per RS
> Hi,
> We have a cluster with unequal machines, some are newer with more disk
> space, more RAM and stronger CPUs. HDFS amd M/R can be tuned to consume
> less resources but I was unable to find a way to cause HBase balancer to
> put less regions on the weaker servers, so now they have the same number of
> regions as the strong servers, causing them to access HDFS remotely because
> they don't have enough local disk space to store all their region files.
> I noticed that in version 0.97 the stochastic load balancer has some
> configuration options that might help, but it seems that it doesn't exist
> in version 0.94.6, which is what I'm using (based on CDH4.3.1).
> Any suggestions?
> Thanks.
> -eran
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