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ServerCat metrics description


All statistics are cumulative after system power-up

charts on the status page

  • Load The three rings of represent the average load of the last 1 minute, 5 minutes, 15 minutes of CPU computation and waiting IO.
  • Memory means used memory and page cache
  • Disk disk read and write speed/bytes

Data on detail pages

CPU data

  • system CPU time spent on kernel
  • User CPU time for non-kernel programs
  • IO wait Time spent by CPU waiting for disk or network IO.
  • Load indicates the average load of the last 1 minute, 5 minutes, 15 minutes of CPU calculations and waiting IO.

Memory data

  • Used size of memory used
  • Page cache The kernel uses free memory to cache the most recent file reads and writes to accelerate disk
  • Idle memory minus the size of used and page cache.

Network data

  • Retransmission Rate Indicates the retransmission rate of TCP packets, which can reflect the packet loss rate or latency of the network.

The network traffic statistics are based on the system's boot up.

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