Should I use Cassandra for general purpose DB?

2010-04-21 Thread Soichi Hayashi
Hi. So, I am interested in using Cassandra not because of large amount of data, but because of following reasons. 1) It's easy to administrate and handle fail-over (and scale, of course) 2) Easy to write an application that makes sense to developers (Developers' fully in control of how data is or

Re: Can't start cassandra

2010-04-18 Thread Soichi Hayashi
:07 PM, Jonathan Ellis wrote: > Ha! Nice catch. > > Yes, commitlog must be pointed to a directory that _only_ has > commitlog data in it. > > On Sun, Apr 18, 2010 at 7:27 PM, Brandon Williams > wrote: > > On Sun, Apr 18, 2010 at 4:30 PM, Soichi Hayashi > >

Re: Can't start cassandra

2010-04-18 Thread Soichi Hayashi
n 1GB of memory, or > OS resource limits that prevent allocation of 1GB of memory, that is > what happens. You shouldn't be increasing -Xms, you should be > decreasing -Xmx. Try -Xms16M -Xmx500M. > > > b > > On Sun, Apr 18, 2010 at 2:30 PM, Soichi Hayashi > wrote: >

Can't start cassandra

2010-04-18 Thread Soichi Hayashi
Hi. I just downloaded Cassandra 0.6.0 and followed "Getting Started" tutorial. When I try to start up Cassandra, I get following error message. 2010-04-18 20:53:39 UTC [hayas...@data-itb:~/app/apache-cassandra-0.6.0]$ ./bin/cassandra -f INFO 21:27:29,127 Auto DiskAccessMode determined to be mma