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; http://www.linux-kvm.org/page/Documents: KVM documentation page. | ; http://www.linux-kvm.org/page/Documents: KVM documentation page. | ||
; [[http://www.youtube.com/watch?v=t0XDEAECObA|O'Reilly Webcast: When Times Get Tough, The Tough Get Tuning]]: Dee-Ann LeBlanc of Splunk shows how you can get better performance from your hardware without throwing dollars at it. | |||
=== Open issues === | === Open issues === |
Revision as of 06:53, 6 October 2010
Performance observation short cuts for noobs
Introduction
Purpose
Scope
Acronyms, descriptions
References
- http://www.linux-kvm.org/page/Documents
- KVM documentation page.
- [Webcast: When Times Get Tough, The Tough Get Tuning]
- Dee-Ann LeBlanc of Splunk shows how you can get better performance from your hardware without throwing dollars at it.
Open issues
Installing the packages needed
- yum install sysstat
- This contains 'sar' and 'iostat'
Operating Environment
Storage
Network
Administration
Scratch pad
INSTALLATION
yum install sysstat sar and iostat
XOSview GKRellM gnuplot
vmstat mpstat -P ALL top sar iostat ps
RAM vmstat -s free
cpu
sar -P ALL -u ALL 10 10
NETWORK
netstat
-i -a -s -f
iostat ttcp
IO Performance
iostat
-x
vmstat sar nfsstat bonnie++
TUNING MME sysctl and sysctl.conf