http://wiki.apache.org/cassandra/FAQ#ubuntu_hangs
On Fri, Feb 17, 2012 at 7:00 AM, Pierre-Yves Ritschard <p...@spootnik.org> wrote: > Hi, > > I've experienced several node lock-ups on EC2 instances. I'm running > with the following set-up: > > heap-new: 800M > max-heap: 8G > instance type: m2.xlarge > > java is > java version "1.6.0_26" > Java(TM) SE Runtime Environment (build 1.6.0_26-b03) > Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) > > running on ubuntu 11.04 and the apache cassandra packages + jna installed > > All my initial tokens are computed and set in cassandra.yaml according > to the number of nodes present, the seed list is the ip of the first > node. > > I am seeing a very strange behavior where on startup a node will > lock-up the machine, ssh is still possible but ps hangs on the > cassandra process which seems to be doing nothing.