nats_server_sample Struct Reference

A single point-in-time sample of NATS server-level metrics. More...

#include <nats_server_sample.hpp>

Collaboration diagram for nats_server_sample:

Public Attributes
std::chrono::system_clock::time_point	sampled_at
	When this sample was taken.
std::uint64_t	in_msgs {0}
	Total inbound messages since server start.
std::uint64_t	out_msgs {0}
	Total outbound messages since server start.
std::uint64_t	in_bytes {0}
	Total inbound bytes since server start.
std::uint64_t	out_bytes {0}
	Total outbound bytes since server start.
int	connections {0}
	Current number of client connections.
std::uint64_t	mem_bytes {0}
	Server process resident memory in bytes.
int	slow_consumers {0}
	Number of slow consumers detected since server start.

Detailed Description

A single point-in-time sample of NATS server-level metrics.

Populated by polling the NATS server's HTTP monitoring endpoint at /varz. One row is written to ores_nats_server_samples_tbl per poll.

Member Data Documentation

sampled_at

std::chrono::system_clock::time_point sampled_at

When this sample was taken.

Partitioning key for the TimescaleDB hypertable.

slow_consumers

int slow_consumers {0}

Number of slow consumers detected since server start.

A non-zero value indicates that one or more subscribers are not keeping up with message delivery and messages may be dropped.