Re: Cassandra and harddrives

2012-04-29 Thread aaron morton
Also i would avoid using HaProxy is possible. The best judge of a nodes availability is the client, and it can varies per row key. The exception is when you are using a web server that does not support state, such as php. The solution is not to use php. Cheers - Aaron Morton F

Re: Cassandra and harddrives

2012-04-25 Thread Maki Watanabe
If your shared disk is super fast enough to handle IO requests from multiple cassandra node, you can do it in theory. And the disk will be the single point of failure in your system. For optimal performance, each node should have at least 2 hdd, one for commitlog and one for data. maki 2012/4/26

Re: Cassandra and harddrives

2012-04-25 Thread samal
Each node need its own HDD for multiple copies. cant share it with others node. On Thu, Apr 26, 2012 at 8:52 AM, Benny Rönnhager < benny.ronnha...@thrutherockies.com> wrote: > Hi! > > I am building a database with several hundred thousands of images. > have just learned that HaProxy is a very goo

Re: Cassandra and harddrives

2012-04-25 Thread Eric Evans
Questions like this should be directed to the user mailing list (user@cassandra.apache.org); This mailing list is for discussion of development *of* Cassandra. On Wed, Apr 25, 2012 at 3:25 PM, Benny Rönnhager wrote: > I am building a database with several hundred thousands of images. I have > ju