Ben, do you just keep the commit log on the ephemeral drive? Or data and commit? (I was confused by your reference to XFS and snapshots -- I assume you keep data on the XFS drive)
-Mike On Thu, Jun 3, 2010 at 2:29 PM, Ben Standefer <b...@simplegeo.com> wrote: > We're using Cassandra on AWS at SimpleGeo. We software RAID 0 stripe > the ephemeral drives to achieve better I/O and have machines in > multiple Availability Zones with a custom EndPointSnitch that > replicates the data between AZs for high availability (to be > open-sourced/contributed at some point). > > Using XFS as described here > http://developer.amazonwebservices.com/connect/entry.jspa?externalID=1663 > also makes it very easy to snapshot your cluster to S3. > > We've had no real problems with EC2 and Cassandra, it's been great. > > -Ben Standefer > > > On Thu, Jun 3, 2010 at 11:51 AM, Eric Evans <eev...@rackspace.com> wrote: >> On Thu, 2010-06-03 at 11:29 +0300, David Boxenhorn wrote: >>> We want to try out Cassandra in the cloud. Any recommendations? >>> Comments? >>> >>> Should we use Amazon? Rackspace? Something else? >> >> I personally haven't used Cassandra on EC2, but others have reported >> significantly better disk IO, (and hence, better performance), with >> Rackspace's Cloud Servers. >> >> Full disclosure though, I work for Rackspace. :) >> >> -- >> Eric Evans >> eev...@rackspace.com >> >> > -- Mike Subelsky oib.com // ignitebaltimore.com // subelsky.com @subelsky // (410) 929-4022