Re: cassandra 2.0.6 refuses to start

2014-04-01 Thread Marcin Cabaj
Strange, could you paste here output of: $ grep -n exec ./bin/cassandra On Mon, Mar 31, 2014 at 8:05 PM, Tim Dunphy bluethu...@gmail.com wrote: Is SELinux enabled? Nope! It's disabled. On Mon, Mar 31, 2014 at 2:50 PM, Michael Shuler mich...@pbandjelly.orgwrote: Is SELinux enabled?

Re: cassandra 2.0.6 refuses to start

2014-03-31 Thread Marcin Cabaj
Hi Tim, exec is a shell builtin command, what kind of shell do you use? Please run: $ echo $SHELL $ exec On Sat, Mar 29, 2014 at 11:10 PM, Tim Dunphy bluethu...@gmail.com wrote: hey all.. love using the cassandra database. however I've just installed 2.0.6 onto a new host running

Re: Cassandra Chef cookbook - weird bug with broadcast_address: 10.0.2.15

2014-03-31 Thread Marcin Cabaj
Hi Clint, I'm guessing you are using vagrant. The thing is cassandra-chef-cookbook use template cassandra.yaml.erb, where you can find: broadcast_address: %= node[:cassandra][:broadcast_address] % which in turn is equal to node[:ipaddress]. Value of node[:ipaddress] depends on how do you

Re: unstable write performance

2014-03-26 Thread Marcin Cabaj
ParNew GC (used by default in cassandra) uses 'stop-the-world' algorithm, which means your application has to be stopped to do gc. You can run jstat command to monitor gc activity and check if your write performance is related to GC, eg: $ jstat -gc CASSANDRA_PID 1s But it shouldn't drop

Re: memory usage spikes

2014-03-26 Thread Marcin Cabaj
Hi, RSS or VIRT? Could you paste output of: $ ps -p `jps | awk '/CassandraDaemon/ {print $1}'` uww please? On Wed, Mar 26, 2014 at 5:20 PM, prem yadav ipremya...@gmail.com wrote: Hi, in another thread, I has mentioned that we had issue with Cassandra getting killed by kernel due to OOM.

Re: memory usage spikes

2014-03-26 Thread Marcin Cabaj
it is normal but keeps showing the spikes. On Wed, Mar 26, 2014 at 5:31 PM, Marcin Cabaj marcin.ca...@datasift.com wrote: Hi, RSS or VIRT? Could you paste output of: $ ps -p `jps | awk '/CassandraDaemon/ {print $1}'` uww please? On Wed, Mar 26, 2014 at 5:20 PM, prem yadav

Re: Setting up Cassandra across private network

2014-03-19 Thread Marcin Cabaj
Hi, you should set 'listen_address' to ip address of eth4. 'listen_address' is for communication between cassandra nodes (not clients). Btw I hope you don't use NFS for commit log directory. -- cheers mc On Wed, Mar 19, 2014 at 5:14 AM, Le Xu sharonx...@gmail.com wrote: I'm currently using