Everyone, thanks a lot for the answer, they helped me a lot.
2013/1/17 Andrey Ilinykh <ailin...@gmail.com> > I'd recommend Priam. > > http://techblog.netflix.com/2012/02/announcing-priam.html > > Andrey > > > On Thu, Jan 17, 2013 at 5:44 AM, Adam Venturella <aventure...@gmail.com>wrote: > >> Jared, how do you guys handle data backups for your ephemeral based >> cluster? >> >> I'm trying to move to ephemeral drives myself, and that was my last >> sticking point; asking how others in the community deal with backup in case >> the VM explodes. >> >> >> >> On Wed, Jan 16, 2013 at 1:21 PM, Jared Biel < >> jared.b...@bolderthinking.com> wrote: >> >>> We're currently using Cassandra on EC2 at very low scale (a 2 node >>> cluster on m1.large instances in two regions.) I don't believe that >>> EBS is recommended for performance reasons. Also, it's proven to be >>> very unreliable in the past (most of the big/notable AWS outages were >>> due to EBS issues.) We've moved 99% of our instances off of EBS. >>> >>> As other have said, if you require more space in the future it's easy >>> to add more nodes to the cluster. I've found this page >>> (http://www.ec2instances.info/) very useful in determining the amount >>> of space each instance type has. Note that by default only one >>> ephemeral drive is attached and you must specify all ephemeral drives >>> that you want to use at launch time. Also, you can create a RAID 0 of >>> all local disks to provide maximum speed and space. >>> >>> >>> On 16 January 2013 20:42, Marcelo Elias Del Valle <mvall...@gmail.com> >>> wrote: >>> > Hello, >>> > >>> > I am currently using hadoop + cassandra at amazon AWS. Cassandra >>> runs on >>> > EC2 and my hadoop process runs at EMR. For cassandra storage, I am >>> using >>> > local EC2 EBS disks. >>> > My system is running fine for my tests, but to me it's not a good >>> setup >>> > for production. I need my system to perform well for specially for >>> writes on >>> > cassandra, but the amount of data could grow really big, taking >>> several Tb >>> > of total storage. >>> > My first guess was using S3 as a storage and I saw this can be >>> done by >>> > using Cloudian package, but I wouldn't like to become dependent on a >>> > pre-package solution and I found it's kind of expensive for more than >>> 100Tb: >>> > http://www.cloudian.com/pricing.html >>> > I saw some discussion at internet about using EBS or ephemeral >>> disks for >>> > storage at Amazon too. >>> > >>> > My question is: does someone on this list have the same problem as >>> me? >>> > What are you using as solution to Cassandra's storage when running it >>> at >>> > Amazon AWS? >>> > >>> > Any thoughts would be highly appreciatted. >>> > >>> > Best regards, >>> > -- >>> > Marcelo Elias Del Valle >>> > http://mvalle.com - @mvallebr >>> >> >> > -- Marcelo Elias Del Valle http://mvalle.com - @mvallebr
