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Simple Log Service:Metrics overview

Last Updated:Dec 10, 2024

This topic provides details on metrics extracted from Kubernetes Ingress access logs, namely global metrics, host-specific metrics, and status-specific metrics.

In the following tables, the metrics follow the time series format. You can query and analyze the metrics by using the PromQL or SQL syntax. For more information, see Overview of query and analysis on metric data.

Global metrics

Metric

Description

pv

The total number of page views (PVs).

body_bytes_sent_avg

The average number of bytes in the bodies of the HTTP responses that are sent to the client.

body_bytes_sent_sum

The total number of bytes in the bodies of the HTTP responses that are sent to the client.

request_length_avg

The average length of requests.

request_length_sum

The total length of requests.

request_time_avg

The average duration of the requests.

request_time_p50

The 50th percentile value for the request durations.

request_time_p90

The 90th percentile value for the request durations.

request_time_p99

The 99th percentile value for the request durations.

request_time_p9999

The 99.99th percentile value for the request durations.

upstream_response_time_avg

The average duration of the request connections.

upstream_response_time_p50

The 50th percentile value for the request connection durations.

upstream_response_time_p90

The 90th percentile value for the request connection durations.

upstream_response_time_p99

The 99th percentile value for the request connection durations.

Host-specific metrics

The tag of the host-specific metrics is host.

Metric

Description

pv:host

The number of PVs for each host.

body_bytes_sent_avg:host

The average number of bytes in the bodies of the HTTP responses that are sent to the client.

body_bytes_sent_sum:host

The total number of bytes in the bodies of the HTTP responses that are sent to the client.

request_length_avg:host

The average length of requests.

request_length_sum:host

The total length of requests.

request_time_avg:host

The average duration of the requests.

request_time_p50:host

The 50th percentile value for the request durations.

request_time_p90:host

The 90th percentile value for the request durations.

request_time_p99:host

The 99th percentile value for the request durations.

request_time_p9999:host

The 99.99th percentile value for the request durations.

upstream_response_time_avg:host

The average duration of the request connections.

upstream_response_time_p50:host

The 50th percentile value for the request connection durations.

upstream_response_time_p90:host

The 90th percentile value for the request connection durations.

upstream_response_time_p99:host

The 99th percentile value for the request connection durations.

Status-specific metrics

The tag of the status-specific metrics is host+status.

Metric

Description

pv:host:status

The number of PVs for each host and status.

body_bytes_sent_avg:host:status

The average number of bytes in the bodies of the HTTP responses that are sent to the client.

body_bytes_sent_sum:host:status

The total number of bytes in the bodies of the HTTP responses that are sent to the client.

request_length_avg:host:status

The average length of requests.

request_length_sum:host:status

The total length of requests.

request_time_avg:host:status

The average duration of the requests.

request_time_p50:host:status

The 50th percentile value for the request durations.

request_time_p90:host:status

The 90th percentile value for the request durations.

request_time_p99:host:status

The 99th percentile value for the request durations.

request_time_p9999:host:status

The 99.99th percentile value for the request durations.

upstream_response_time_avg:host:status

The average duration of the request connections.

upstream_response_time_p50:host:status

The 50th percentile value for the request connection durations.

upstream_response_time_p90:host:status

The 90th percentile value for the request connection durations.

upstream_response_time_p99:host:status

The 99th percentile value for the request connection durations.