I'll quote the top google hit for [kswapd0 100%]: How much memory did you have in "cached" when you looked with top (and no swap enabled) ?
If the amount of "cached" memory is very low, it could mean that your shared libraries are being pushed out of memory, instead of the kernel swapping out some page that belongs to only one process. On Sat, May 7, 2011 at 1:39 AM, Ali Ahsan <ali.ah...@panasiangroup.com> wrote: > Hi That sloved my issue of GC,Now i am facing with new one > > i have no swap but this process kswapd0 take up 100% cpu when there is load > on cassandra any idea why this is happening > > On 05/05/2011 09:06 PM, Ali Ahsan wrote: >> >> Thanks replying,let me disable my swap memory. >> >> On 05/05/2011 09:01 PM, Jonathan Ellis wrote: >>> >>> 6s parnew is insane. you're probably swapping. Easiest fix is >>> disabling swap entirely. >>> >>> P.S. 0.6.3 is ancient. >>> >>> >> >> > > > -- > S.Ali Ahsan > > Senior System Engineer > > e-Business (Pvt) Ltd > > 49-C Jail Road, Lahore, P.O. Box 676 > Lahore 54000, Pakistan > > Tel: +92 (0)42 3758 7140 Ext. 128 > > Mobile: +92 (0)345 831 8769 > > Fax: +92 (0)42 3758 0027 > > Email: ali.ah...@panasiangroup.com > > > > www.ebusiness-pg.com > > www.panasiangroup.com > > Confidentiality: This e-mail and any attachments may be confidential > and/or privileged. If you are not a named recipient, please notify the > sender immediately and do not disclose the contents to another person > use it for any purpose or store or copy the information in any medium. > Internet communications cannot be guaranteed to be timely, secure, error > or virus-free. We do not accept liability for any errors or omissions. > > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
