[lvs-users] DNS LVS questions

Kelsey Cummings kgc at corp.sonic.net
Tue Sep 25 19:29:18 BST 2012


On Tue, Sep 25, 2012 at 08:42:10AM -0600, Pete Ashdown wrote:
> On 09/25/2012 02:42 AM, Graeme Fowler wrote:
> > On Sun, 2012-09-23 at 02:51 -0600, Pete Ashdown wrote:
> >> Thanks for the localhost addressing tip.  I've got my lvs dns in production
> >> now and it is cranking along.  I had to lower the udp timeout to 1 second
> >> from my predicted 15 because the latter was crashing the server with OOM.  
> > Really? How many queries/sec is your system handling?
> 
> 1000-2000 qps.

...

> 8GB of RAM.

Something isn't right there - I'm pushing >4k qps per lvs box in our dns
clusters on hosts with 2GB, with 1.5G in cache.  Keepalived?

-- 
Kelsey Cummings - kgc at corp.sonic.net      sonic.net, inc.
System Architect                          2260 Apollo Way
707.522.1000                              Santa Rosa, CA 95407




More information about the lvs-users mailing list