37 lines
2.2 KiB
Markdown
37 lines
2.2 KiB
Markdown
# tcp collector
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The tcp collector exposes metrics about the TCP/IPv4 network stack.
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Metric name prefix | `tcp`
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Classes | [`Win32_PerfRawData_Tcpip_TCPv4`](https://msdn.microsoft.com/en-us/library/aa394341(v=vs.85).aspx)
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Enabled by default? | No
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## Flags
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None
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## Metrics
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Name | Description | Type | Labels
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-----|-------------|------|-------
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`wmi_tcp_connection_failures` | Number of times TCP connections have made a direct transition to the CLOSED state from the SYN-SENT state or the SYN-RCVD state, plus the number of times TCP connections have made a direct transition from the SYN-RCVD state to the LISTEN state | counter | None
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`wmi_tcp_connections_active` | Number of times TCP connections have made a direct transition from the CLOSED state to the SYN-SENT state.| counter | None
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`wmi_tcp_connections_established` | Number of TCP connections for which the current state is either ESTABLISHED or CLOSE-WAIT. | counter | None
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`wmi_tcp_connections_passive` | Number of times TCP connections have made a direct transition from the LISTEN state to the SYN-RCVD state. | counter | None
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`wmi_tcp_connections_reset` | Number of times TCP connections have made a direct transition from the LISTEN state to the SYN-RCVD state. | counter | None
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`wmi_tcp_segments_total` | Total segments sent or received using the TCP protocol | counter | None
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`wmi_tcp_segments_received_total` | Total segments received, including those received in error. This count includes segments received on currently established connections | counter | None
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`wmi_tcp_segments_retransmitted_total` | Total segments retransmitted. That is, segments transmitted that contain one or more previously transmitted bytes | counter | None
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`wmi_tcp_segments_sent_total` | Total segments sent, including those on current connections, but excluding those containing *only* retransmitted bytes | counter | None
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### Example metric
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_This collector does not yet have explained examples, we would appreciate your help adding them!_
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## Useful queries
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_This collector does not yet have any useful queries added, we would appreciate your help adding them!_
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## Alerting examples
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_This collector does not yet have alerting examples, we would appreciate your help adding them!_
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