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Gea-Suan Lin
July 24, 2012
Technology
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System Profiling
Gea-Suan Lin
July 24, 2012
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Transcript
System Profiling Gea-Suan Lin
Or, “System Monitoring”
Why we need system profiling ?
When something breaks,
You will have data to find out possible reason
Another reason,
Good data to tell you boss,
I need to buy more servers
So,
There are many topics to profiling...
We choose two:
• Server Profiling • Network Profiling
Server Profiling
Xymon
www.xymon.com
Old name Hobbit
Actually it’s an alarm system
But you should build alarm system first
Also, memory & disk alarm are important
Munin
munin-monitoring.org
Nice graphs
CPU usage
Memory usage
MySQL usage
Many plugins
There are still many tools that can profiling
Network Profiling
MRTG & RRDtool
Basic
SNMP for every interface
Mbits/sec
Packet/sec
More advanced
Custom script
Ping latency
Ping packet loss
SmokePing
oss.oetiker.ch/ smokeping/
Latency monitoring
Packet loss monitoring
It’s about SLA
Conclusion
Profiling your system as soon as possible
Thanks !