Re: Recomended storage choice for Cassandra on Amazon m1.xlarge instance

2013-09-03 Thread Andrey Ilinykh
You benefit from putting commit log on separate drive only if this drive is an isolated spinning device. EC2 ephemeral is a virtual device, so I don't think it makes sense to put commit log on a separated drive. I would build raid0 from 4 drives and put everything their. But it would be interesting

Recomended storage choice for Cassandra on Amazon m1.xlarge instance

2013-09-02 Thread Renat Gilfanov
Hello, I'd like to ask what is the best options of separating commit log and data on Amazon m1.xlarge instance, given 4x420 Gb attached storages and EBS volume ? As far as I understand, the EBS is not the choice and it's recomended to use attached storages instead. Is it better to combine 4 ep