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apache

Default Metrics

The following metrics are emitted by default. Each of them can be disabled by applying the following configuration:

metrics:
  <metric_name>:
    enabled: false

apache.connections.async

The number of connections in different asynchronous states reported by Apache's server-status.

Unit Metric Type Value Type Stability
{connections} Gauge Int Development

Attributes

Name Description Values Requirement Level Semantic Convention
connection_state The asynchronous connection state reported by Apache's server-status. Str: writing, keepalive, closing Recommended -

apache.cpu.load

Current load of the CPU.

Unit Metric Type Value Type Stability
% Gauge Double Development

apache.cpu.time

Jiffs used by processes of given category.

Unit Metric Type Value Type Aggregation Temporality Monotonic Stability
{jiff} Sum Double Cumulative true Development

Attributes

Name Description Values Requirement Level Semantic Convention
level Level of processes. Str: self, children Recommended -
mode Mode of processes. Str: system, user Recommended -

apache.current_connections

The number of active connections currently attached to the HTTP server.

Unit Metric Type Value Type Aggregation Temporality Monotonic Stability
{connections} Sum Int Cumulative false Development

apache.load.1

The average server load during the last minute.

Unit Metric Type Value Type Stability
% Gauge Double Development

apache.load.15

The average server load during the last 15 minutes.

Unit Metric Type Value Type Stability
% Gauge Double Development

apache.load.5

The average server load during the last 5 minutes.

Unit Metric Type Value Type Stability
% Gauge Double Development

apache.request.time

Total time spent on handling requests.

Unit Metric Type Value Type Aggregation Temporality Monotonic Stability
ms Sum Int Cumulative true Development

apache.request_rate.count

The average number of requests served per second since the server was started.

Unit Metric Type Value Type Stability
{requests}/s Gauge Double Development

apache.request_rate.io.transmitted

The average number of bytes served per second since the server was started.

Unit Metric Type Value Type Stability
By/s Gauge Double Development

apache.requests

The number of requests serviced by the HTTP server per second.

Unit Metric Type Value Type Aggregation Temporality Monotonic Stability
{requests} Sum Int Cumulative true Development

apache.scoreboard

The number of workers in each state.

The apache scoreboard is an encoded representation of the state of all the server's workers. This metric decodes the scoreboard and presents a count of workers in each state.

Unit Metric Type Value Type Aggregation Temporality Monotonic Stability
{workers} Sum Int Cumulative false Development

Attributes

Name Description Values Requirement Level Semantic Convention
state The state of a connection. Str: open, waiting, starting, reading, sending, keepalive, dnslookup, closing, logging, finishing, idle_cleanup, unknown Recommended -

apache.traffic

Total HTTP server traffic.

Unit Metric Type Value Type Aggregation Temporality Monotonic Stability
By Sum Int Cumulative true Development

apache.uptime

The amount of time that the server has been running in seconds.

Unit Metric Type Value Type Aggregation Temporality Monotonic Stability
s Sum Int Cumulative true Development

apache.worker.limit

The maximum number of worker slots available on the server, derived from the length of the scoreboard.

Unit Metric Type Value Type Stability
{workers} Gauge Int Development

apache.workers

The number of workers currently attached to the HTTP server.

Unit Metric Type Value Type Aggregation Temporality Monotonic Stability
{workers} Sum Int Cumulative false Development

Attributes

Name Description Values Requirement Level Semantic Convention
state The state of workers. Str: busy, idle Recommended -

Resource Attributes

Name Description Values Enabled Semantic Convention
apache.server.name The name of the Apache HTTP server. Any Str true -
apache.server.port The port of the Apache HTTP server. Any Str true -