Chapter 11Capacity Planning (Topic 200)

THE FOLLOWING LPIC-2 EXAM TOPICS ARE COVERED IN THIS CHAPTER:

  • 200.1 Measure and troubleshoot resource usage
    • Measure CPU usage.
    • Measure memory usage.
    • Measure disk I/O.
    • Measure network I/O.
    • Measure firewalling and routing throughput.
    • Map client bandwidth usage.
    • Match / correlate system symptoms with likely problems.
    • Estimate throughput and identify bottlenecks in a system including networking.
    • The following is a partial list of the used files, terms and utilities:
      • iostat
      • iotop
      • vmstat
      • netstat
      • ss
      • iptraf
      • pstree, ps
      • w
      • lsof
      • top
      • htop
      • uptime
      • sar
      • swap
      • processes blocked on I/O
      • blocks in
      • blocks out
  • 200.2 Predict ...

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