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 Freelance Developer @aaronmorton http://www.thelastpickle.com On 26/04/2012, at 4:41 PM, Maki Watanabe wrote: > 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 samal <samalgo...@gmail.com>: >> 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 good fronted to a couple of >>> Cassandra nodes. I understand how that works but... >>> >>> Must every single node (mac mini) have it's own external harddrive with >>> the same data (images) or can I just use one hard drive that can be >>> accessed by all nodes? >>> >>> What is the recommended way to do this? >>> >>> Thanks in advance. >>> >>> Benny >> >>
