[EMAIL PROTECTED] said:
> 1) So, my question is why is cpu% so high in cpu#6 only? Though the problem
> is solved with jumbo frames for 2 machines, if we increase number of nodes
> this scalability problem will be seen with 3,4,5 ...machines (since cpu
> utilization is very high with current state). 

I think you don't have all the necessary tunables set.  Here's what works
on our T2000, Solaris-10U4 plus 10U5 patches:

* Network throughput tuning (for 4x e1000g NIC's, 8 cores).
set ddi_msix_alloc_limit=0x8
set ip:ip_soft_rings_cnt=0x8
set ip:ip_squeue_fanout=0x1
* the below assumes psrset's for interrupts are in effect
set ip:ip_squeue_bind=0x0


We have not changed the settings for ip:tcp_squeue_wput nor ip:ip_squeue_wait
here.  I don't think you would want the ip:ip_squeue_bind set to 0, unless
you use "psradm -i", as in:
  http://www.sun.com/bigadmin/features/articles/jboss_sf_t2000.jsp#3.3

Regards,

Marion


_______________________________________________
perf-discuss mailing list
perf-discuss@opensolaris.org

Reply via email to