Re: EC2 and RIAK

2011-04-01 Thread Jason J. W. Williams
On Fri, Apr 1, 2011 at 11:00 AM, Mark Steele wrote: > I've done some rather disappointing tests with Riak using Rackspace cloud > servers. Much better off on dedicated hardware if you can find it. I haven't found anything except small web sites that RS Cloud has enough performance for. -J _

Re: EC2 and RIAK

2011-04-01 Thread Jeff Pollard
> > If you want good predictable performance but you are happy to live with the > risk of loosing some of your data ( in the event of a cluster failure where > the number of nodes that fail > than your n_val ) then run with the local > ephemeral storage in RAID 5 or 10 and take snapshots of the da

Re: EC2 and RIAK

2011-04-01 Thread Eric Moritz
I concur with Mark, Rackspace has some poor performance with Riak. On Fri, Apr 1, 2011 at 1:00 PM, Mark Steele wrote: > I've done some rather disappointing tests with Riak using Rackspace cloud > servers. Much better off on dedicated hardware if you can find it. > Mark Steele > Bering Media Inc.

Re: EC2 and RIAK

2011-04-01 Thread Mark Steele
I've done some rather disappointing tests with Riak using Rackspace cloud servers. Much better off on dedicated hardware if you can find it. Mark Steele Bering Media Inc. On Fri, Apr 1, 2011 at 11:51 AM, David Dawson wrote: > Mathias and Alexander, > >Thanks for both of your replies the

Re: EC2 and RIAK

2011-04-01 Thread Jason J. W. Williams
Hi David, If you want both good performance and reliability you might look at somebody like SoftLayer who will let you mix and match cloud and dedicated servers to meet your needs. Both they and Voxel have cloud servers that beat the pants off EC2. -J Sent via iPhone Is your e-mail Premiere

Re: EC2 and RIAK

2011-04-01 Thread David Dawson
Mathias and Alexander, Thanks for both of your replies they were very informative and really have helped me to make my mind up, but to summarise: - If you want good predictable performance but you are happy to live with the risk of loosing some of your data ( in the event of a c

Re: EC2 and RIAK

2011-04-01 Thread Mathias Meyer
Hi David, Alexander already gave you a good rundown on EC2 and Riak, but let me add some of my own experiences running databases on EC2 in general. The short answer is, Riak is certainly successfully used in production on EC2, so nothing should hold you back from testing a setup on EC2. But th

Re: EC2 and RIAK

2011-03-30 Thread siculars
All things being equal (which is atarded[0] because I don't know squat about your use case), I would go with choice #2. Main concern would be multiple failures before read repair could be executed via #1. Depending on data size this could take a long time. Summary: 1. Potential data loss d