i use a 64 bit machine and gave 6gigs ram it runs on native fedora no vm On Sun, Nov 29, 2009 at 4:22 AM, Mark Robson <mar...@gmail.com> wrote:
> 2009/11/28 <mobiledream...@gmail.com> > >> thanks i dont have more than 1 node ie just one node operation >> so dunno if the timeout increase will help >> > > Presumably this is a test system on a vmware; it may have insufficient > memory. > > I'd say make sure that your test virtual machine (vmware etc) has at least > 1.5G of ram allocated and the Java VM is tuned suitably. Don't run on a > 32-bit system as this limits the size of the Java heap too small. > > I'm speculating here, but you didn't give us much to work on. > > A production Cassandra node should have at least 16G of ram as it's really > cheap. Ram doesn't use much power and power is the main consideration for > datacentres nowadays. A 64-bit system is necessary as otherwise you'll be > limited to a <3G Java heap, which makes having 16G ram pointless. > > Mark > -- Bidegg worlds best auction site http://bidegg.com
