Hi Aaron, For a 6 nodes cluster, what RF can we use in order to support 2 failed nodes? >From the article that you sent i understood "avoid EMS" and use ephemeral. am i missing anything?
Thank you so much for your help, Madaina On Fri, Oct 7, 2011 at 9:15 AM, aaron morton <aa...@thelastpickle.com>wrote: > Data Stax have pre build AMI's here > http://www.datastax.com/dev/blog/setting-up-a-cassandra-cluster-with-the-datastax-ami > > > And an explanation of why we normally avoid ephemeral. > > Also, I would go with 6 nodes. You will then be able to handle up to 2 > failed nodes. > > Hope that helps. > > ----------------- > Aaron Morton > Freelance Cassandra Developer > @aaronmorton > http://www.thelastpickle.com > > On 7/10/2011, at 9:11 PM, Yi Yang wrote: > > Obviously ephemeral. It has higher IO availability, will not affect your > Ethernet IO performance, and it is free (included in instance price) > and the redundancy is provided by cassandra itself. > > 從我的 BlackBerry(R) 無線裝置 > ------------------------------ > *From: * Madalina Matei <madalinaima...@gmail.com> > *Date: *Fri, 7 Oct 2011 09:02:06 +0100 > *To: *<user@cassandra.apache.org> > *ReplyTo: * user@cassandra.apache.org > *Subject: *ebs or ephemeral > > Hi, > > I'm looking to deploy a 5 nodes cluster in EC2 with RF3 and QUORUM CL. > > Could you please advice me on EBS vs ephemeral storage ? > > Cheers, > Madalina > > >
