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== Virtualiser == | == Virtualiser == | ||
* http://www.xen.org/files/xensummit_intel09/xen-debugging.pdf | |||
* http://xenbits.xensource.com/ext/xenalyze.hg | |||
* http://wiki.xensource.com/xenwiki/XendInternalsDebugging | |||
; xentrace: See also: [[http://kibab.homeip.net/hw/vienna_hw6/tut_xentrace.html| xentrace example]] | |||
; xentrace_format: | |||
== Administration == | == Administration == | ||
Revision as of 10:51, 11 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
Virtualiser
- http://www.xen.org/files/xensummit_intel09/xen-debugging.pdf
- http://xenbits.xensource.com/ext/xenalyze.hg
- http://wiki.xensource.com/xenwiki/XendInternalsDebugging
- xentrace
- See also: [xentrace example]
- xentrace_format
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