An interesting story about MySQL: http://weblog.mediatemple.net/weblog/2007/01/19/anatomy-of-mysql-on-the-grid/
--- Puryear Information Technology, LLC Baton Rouge, LA * 225-706-8414 http://www.puryear-it.com Author: "Best Practices for Managing Linux and UNIX Servers" "Spam Fighting and Email Security in the 21st Century" Download your free copies: http://www.puryear-it.com/publications.htm Wednesday, January 17, 2007, 9:48:01 AM, you wrote: > Cacti rocks. We use it all over the place. > --- > Puryear Information Technology, LLC > Baton Rouge, LA * 225-706-8414 > http://www.puryear-it.com > Author: > "Best Practices for Managing Linux and UNIX Servers" > "Spam Fighting and Email Security in the 21st Century" > Download your free copies: > http://www.puryear-it.com/publications.htm > Wednesday, January 17, 2007, 6:33:44 AM, you wrote: >> I use cacti for performance monitoring. >> http://cacti.net/ >> It's like a beefed up MRTG. >> On 1/16/07, -ray <ray at ops.selu.edu> wrote: >>> On Mon, 15 Jan 2007, Dustin Puryear wrote: >>> >>> > You should, at a minimum, have sysstat (the Linux sar package) >>> > installed on all of your servers and monitor that. Also, do some >>> > remote SNMP performance monitoring to start seeing where your >>> > bottlenecks are. Keep in mind that IO issues may appear as CPU issues >>> > at times. >>> >>> Good point. And also memory issues may appear as I/O issues (swapping). >>> The right order to track down bottlenecks is: Network->Memory->I/O->CPU. >>> Read the vmstat and iostat man pages, and actually learn what those >>> columns mean. :) >>> >>> What are you guys using for SNMP performance monitoring? We have some >>> homegrown scripts that generate some RRD graphs. The pretty graphs are >>> really good for trend analysis (and the boss likes them haha). >>> >>> > Oh, and finally, do realize that there is a difference between local >>> > performance counters and end-to-end performance testing. An important >>> >>> "Hmmmm...It's really fast from my computer....not sure why it's so >>> slow on your end..." >>> >>> ray >>> -- >>> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= >>> Ray DeJean http://www.r-a-y.org >>> Systems Engineer Southeastern Louisiana University >>> IBM Certified Specialist AIX Administration, AIX Support >>> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= >>> >>> >>> _______________________________________________ >>> General mailing list >>> General at brlug.net >>> http://mail.brlug.net/mailman/listinfo/general_brlug.net >>> > _______________________________________________ > General mailing list > General at brlug.net > http://mail.brlug.net/mailman/listinfo/general_brlug.net
