OS Metrics

System Metrics

• system.disk.free

• system.disk.total

• system.disk.used

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  Type:        gauge, bytes
  Description: System disk usage statistics.

• system.disk.in_use

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  Type:        gauge, percent
  Description: System disk usage statistics, percentage.

• system.io.iops_r

• system.io.iops_w

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  Type:        counter, integer
  Description: Number of reads or writes per sampling window.

• system.io.kbs_r

• system.io.kbs_w

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  Type:        counter, kilobytes
  Description: Number of kilobytes read or written.

• system.io.wait_r

• system.io.wait_w

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  Type:        gauge, milliseconds
  Description: Time spent reading from or writing to disk.

• system.load.1

• system.load.5

• system.load.15

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  Type:        gauge, float
  Description: Number of processes in the system run queue, averaged over the last 1, 5,
               and 15 min.

• system.mem.available

• system.mem.buffered

• system.mem.cached

• system.mem.free

• system.mem.shared

• system.mem.total

• system.mem.used

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  Type:        gauge, bytes
  Description: Statistics about system memory usage.

• system.mem.pct_used

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  Type:        gauge, percent
  Description: Statistics about system memory usage, percentage.

• system.net.bytes_rcvd

• system.net.bytes_sent

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  Type:        counter, bytes
  Description: Network I/O statistics. Number of bytes received or sent, per network
               interface.

• system.net.drops_in.count

• system.net.drops_out.count

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  Type:        counter, integer
  Description: Network I/O statistics. Total number of inbound or outbound packets
               dropped, per network interface.

• system.net.packets_in.count

• system.net.packets_out.count

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  Type:        counter, integer
  Description: Network I/O statistics. Number of packets received or sent, per network
               interface.

• system.net.packets_in.error

• system.net.packets_out.error

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  Type:        counter, integer
  Description: Network I/O statistics. Total number of errors while receiving or sending,
               per network interface.

• system.net.listen_overflows

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  Type:        counter, integer
  Description: Number of times the listen queue of a socket overflowed.

• system.swap.free

• system.swap.total

• system.swap.used

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  Type:        gauge, bytes
  Description: System swap memory statistics.

• system.swap.pct_free

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  Type:        gauge, percent
  Description: System swap memory statistics, percentage.

Agent Metrics

Agent metrics are available only if you are using F5 NGINX Amplify Agent.

• amplify.agent.status

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  Type:        internal, integer
  Description: 1 - agent is up, 0 - agent is down.

• amplify.agent.cpu.system

• amplify.agent.cpu.user

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  Type:        gauge, percent
  Description: CPU utilization percentage observed from the NGINX Amplify Agent process.

• amplify.agent.mem.rss

• amplify.agent.mem.vms

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  Type:        gauge, bytes
  Description: Memory utilized by the NGINX Amplify Agent process.