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Apache

Agent CheckAgent Check
apache graph

Overview

The Apache check tracks requests per second, bytes served, number of worker threads, service uptime, and more.

Setup

Installation

The Apache check is packaged with the Agent. To start gathering your Apache metrics and logs, you need to:

  1. Install the Agent on your Apache servers. If you need the newest version of the Apache check, install the dd-check-apache package; this package’s check overrides the one packaged with the Agent. See the integrations-core repository README.md for more details.

  2. Install mod_status on your Apache servers and enable ExtendedStatus.

Configuration

Create a file apache.yaml in the Agent’s conf.d directory.

Metric Collection

  • Add this configuration setup to your apache.yaml file to start gathering your Apache Metrics:
  init_config:

  instances:
    - apache_status_url: http://example.com/server-status?auto
  #   apache_user: example_user # if apache_status_url needs HTTP basic auth
  #   apache_password: example_password
  #   disable_ssl_validation: true # if you need to disable SSL cert validation, i.e. for self-signed certs

Change the apache_status_url parameter value and configure it for your environment.
See the sample apache.yaml for all available configuration options.

Log Collection

Available for Agent >6.0

  • Collecting logs is disabled by default in the Datadog Agent, you need to enable it in datadog.yaml:
  log_enabled: true
  • Add this configuration setup to your apache.yaml file to start collecting your Apache Logs:
    logs:
        - type: file
          path: /var/log/apache2/access.log
          source: apache
          sourcecategory: http_web_access
          service: apache

        - type: file
          path: /var/log/apache2/error.log
          source: apache
          sourcecategory: http_web_access
          service: apache

Change the path and service parameter values and configure them for your environment.
See the sample apache.yaml for all available configuration options.

Learn more about log collection on the log documentation

Validation

Run the Agent’s info subcommand and look for apache under the Checks section:

Checks
======
  [...]

  apache
  -------
    - instance #0 [OK]
    - Collected 26 metrics, 0 events & 1 service check

  [...]

Compatibility

The Apache check is compatible with all major platforms.

Data Collected

Metrics

apache.conns_total
(gauge)
The total number of connections performed.
shown as connection
apache.conns_async_writing
(gauge)
The number of asynchronous writes connections.
shown as connection
apache.conns_async_keep_alive
(gauge)
The number of asynchronous keep alive connections.
shown as connection
apache.conns_async_closing
(gauge)
The number of asynchronous closing connections.
shown as connection
apache.net.bytes
(gauge)
The total number of bytes served.
shown as byte
apache.net.bytes_per_s
(gauge)
The number of bytes served per second.
shown as byte
apache.net.hits
(gauge)
The total number of requests performed.
shown as request
apache.net.request_per_s
(gauge)
The number of requests performed per second.
shown as request
apache.performance.cpu_load
(gauge)
The percent of CPU used.
shown as percent
apache.performance.busy_workers
(gauge)
The number of workers serving requests.
shown as thread
apache.performance.idle_workers
(gauge)
The number of idle workers.
shown as thread
apache.performance.uptime
(gauge)
The amount of time the server has been running.
shown as second

Events

The Apache check does not include any event at this time.

Service Checks

apache.can_connect:

Returns CRITICAL if the Agent cannot connect to the configured apache_status_url, otherwise OK.

Troubleshooting

Further Reading