Re: Cassandra causing very high load on CPU's 0.6.3

2011-05-12 Thread Jonathan Ellis
https://svn.apache.org/repos/asf/cassandra/tags/cassandra-0.6.13/CHANGES.txt On Thu, May 12, 2011 at 11:56 AM, Ali Ahsan wrote: > >> It is indeed advised to use sunjdk as openjdk is a bit behind as far >> as bug fixes are >> concerned. >> >> Moreover, 0.6.3 is pretty old now and we do have fixed

Re: Cassandra causing very high load on CPU's 0.6.3

2011-05-12 Thread Ali Ahsan
It is indeed advised to use sunjdk as openjdk is a bit behind as far as bug fixes are concerned. Moreover, 0.6.3 is pretty old now and we do have fixed a number of issue related to load spikes, so before investigating further the best advice I can give you is to upgrade (either to 0.6.13 if you

Re: Cassandra causing very high load on CPU's 0.6.3

2011-05-12 Thread Sylvain Lebresne
On Thu, May 12, 2011 at 6:04 PM, Ali Ahsan wrote: > On 05/12/2011 04:08 PM, Ali Ahsan wrote: >> >> Hi All >> >> I am experience some problem with me two Cassandra node with RF=2,Both >> node CPU's usage is very high,load average: 9.47, 5.72, 5.11 and this >> causing my application to time out .I h

Re: Cassandra causing very high load on CPU's 0.6.3

2011-05-12 Thread Ali Ahsan
On 05/12/2011 04:08 PM, Ali Ahsan wrote: Hi All I am experience some problem with me two Cassandra node with RF=2,Both node CPU's usage is very high,load average: 9.47, 5.72, 5.11 and this causing my application to time out .I have xeon with 8 processor and 16 GB of Ram.and LVM setup for Cass

Cassandra causing very high load on CPU's 0.6.3

2011-05-12 Thread Ali Ahsan
Hi All I am experience some problem with me two Cassandra node with RF=2,Both node CPU's usage is very high,load average: 9.47, 5.72, 5.11 and this causing my application to time out .I have xeon with 8 processor and 16 GB of Ram.and LVM setup for Cassandra.How can i trace the main issue of l