Top 25 Best Linux Performance Monitoring and Debugging Tools
Dec 08, 2011, 06:00 (0 Talkback[s])
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Using sar utility you can do two things: 1) Monitor system real
time performance (CPU, Memory, I/O, etc) 2) Collect performance
data in the background on an on-going basis and do analysis on the
historical data to identify bottlenecks.
Sar is part of the sysstat package.