OS Metrics
List of OS Metrics
System Metrics
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system.disk.free
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system.disk.total
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system.disk.used
Type: gauge, bytes Description: System disk usage statistics.
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system.disk.in_use
Type: gauge, percent Description: System disk usage statistics, percentage.
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system.io.iops_r
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system.io.iops_w
Type: counter, integer Description: Number of reads or writes per sampling window.
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system.io.kbs_r
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system.io.kbs_w
Type: counter, kilobytes Description: Number of kilobytes read or written.
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system.io.wait_r
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system.io.wait_w
Type: gauge, milliseconds Description: Time spent reading from or writing to disk.
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system.load.1
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system.load.5
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system.load.15
Type: gauge, float Description: Number of processes in the system run queue, averaged over the last 1, 5, and 15 min.
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system.mem.available
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system.mem.buffered
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system.mem.cached
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system.mem.free
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system.mem.shared
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system.mem.total
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system.mem.used
Type: gauge, bytes Description: Statistics about system memory usage.
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system.mem.pct_used
Type: gauge, percent Description: Statistics about system memory usage, percentage.
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system.net.bytes_rcvd
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system.net.bytes_sent
Type: counter, bytes Description: Network I/O statistics. Number of bytes received or sent, per network interface.
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system.net.drops_in.count
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system.net.drops_out.count
Type: counter, integer Description: Network I/O statistics. Total number of inbound or outbound packets dropped, per network interface.
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system.net.packets_in.count
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system.net.packets_out.count
Type: counter, integer Description: Network I/O statistics. Number of packets received or sent, per network interface.
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system.net.packets_in.error
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system.net.packets_out.error
Type: counter, integer Description: Network I/O statistics. Total number of errors while receiving or sending, per network interface.
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system.net.listen_overflows
Type: counter, integer Description: Number of times the listen queue of a socket overflowed.
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system.swap.free
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system.swap.total
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system.swap.used
Type: gauge, bytes Description: System swap memory statistics.
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system.swap.pct_free
Type: gauge, percent Description: System swap memory statistics, percentage.
Agent Metrics
Note:
Agent metrics are available only if you are using NGINX Amplify Agent.
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amplify.agent.status
Type: internal, integer Description: 1 - agent is up, 0 - agent is down.
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amplify.agent.cpu.system
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amplify.agent.cpu.user
Type: gauge, percent Description: CPU utilization percentage observed from the NGINX Amplify Agent process.
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amplify.agent.mem.rss
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amplify.agent.mem.vms
Type: gauge, bytes Description: Memory utilized by the NGINX Amplify Agent process.