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RE: Amazon EC2
There are others who have had far more experience than I have with HBase + EC2, so will let them chime in.  But I personally recommend against this direction if you expect to have a consistent cluster size and/or a significant amount of load.

EC2 is great at quickly scaling up/down, but is usually not cost effective if you're running a cluster of a fixed set of nodes 24/7.

EC2 also generally experiences far worse IO performance than dedicated hardware, so with any significant load, performance suffers on EC2.

In addition, EC2 presents its own operational pains and availability issues.  Users on EC2 generally have more problems than those with their own setups.


> -----Original Message-----
> From: Peter Haidinyak [mailto:[EMAIL PROTECTED]]
> Sent: Monday, February 07, 2011 11:25 AM
> Subject: Amazon EC2
> Hi,
> We are looking at moving our cluster to Amazon's EC2 solution. Has
> anybody out there already done this or tried and would you have any
> recommendations/warning?
> Thanks
> -Pete