Slow Performance

Question 1

What to check for slow performance?

Answer 1

• “top” (shows cpu, ram usage)
• “vmstat”
• “sar” (part of sysstat package - system activity report) history of performance for comparison
• • “sar -r” ram performance
• • “sar -u” cpu performance
• • “sar - d” disk i/o performance
• nload/iftop to check network traffic