Performance observation short cuts for noobs

Performance observation short cuts for noobs

Introduction

References

http://www.linux-kvm.org/page/Documents

KVM documentation page.

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Installing the packages needed

yum install sysstat

This contains 'sar' and 'iostat'

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