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HBase >> mail # user >> Could an EC2 machine to 4 times slower than local dev workstation?


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Re: Could an EC2 machine to 4 times slower than local dev workstation?
any ideas how many c1.mediums might be on a given physical server? (rough
ideas...)

On Fri, Dec 30, 2011 at 12:36 AM, Li Pi <[EMAIL PROTECTED]> wrote:

> Yup. Virtualized IO pretty much explains it.
>
> On Thu, Dec 29, 2011 at 8:20 PM, Mark Kerzner <[EMAIL PROTECTED]>
> wrote:
> > Hi,
> >
> > I am running a small program to load about 1 million rows into HBase. It
> > takes 200 seconds on my dev machine, and 800 seconds on a c1.medium EC2
> > machine. Both are running the same version of Ubuntu and the same version
> > of HBase. Everything is local on one machine in both cases.
> >
> > What could the difference between the two environments be? I did notice
> > that my local machine has higher CPU loads:
> >
> > hbase 64%
> > java (my app) 38%
> > hdfs 20%
> >
> > whereas the EC2 machine
> > hbase 47%
> > java (my app) 23%
> > hdfs 14%
> >
> >
> > Sincerely,
> > Mark
>