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[[metricbeat-module-system]]
== System module

The System module allows you to monitor your servers. Because the System module
always applies to the local server, the `hosts` config option is not needed.

The default metricsets are `cpu`, `load`, `memory`, `network`, `process` and
`process_summary`.

[float]
=== Dashboard

The System module comes with a predefined dashboard. For example:

image::./images/metricbeat_system_dashboard.png[]


[float]
=== Example configuration

The System module supports the standard configuration options that are described
in <<configuration-metricbeat>>. Here is an example configuration:

[source,yaml]
----
metricbeat.modules:
- module: system
  metricsets:
    - cpu             # CPU usage
    - load            # CPU load averages
    - memory          # Memory usage
    - network         # Network IO
    - process         # Per process metrics
    - process_summary # Process summary
    - uptime          # System Uptime
    #- core           # Per CPU core usage
    #- diskio         # Disk IO
    #- filesystem     # File system usage for each mountpoint
    #- fsstat         # File system summary metrics
    #- raid           # Raid
    #- socket         # Sockets and connection info (linux only)
  enabled: true
  period: 10s
  processes: ['.*']

  # Configure the metric types that are included by these metricsets.
  cpu.metrics:  ["percentages"]  # The other available options are normalized_percentages and ticks.
  core.metrics: ["percentages"]  # The other available option is ticks.

  # A list of filesystem types to ignore. The filesystem metricset will not
  # collect data from filesystems matching any of the specified types, and
  # fsstats will not include data from these filesystems in its summary stats.
  # If not set, types associated to virtual filesystems are automatically
  # added when this information is available in the system (e.g. the list of
  # `nodev` types in `/proc/filesystem`).
  #filesystem.ignore_types: []

  # These options allow you to filter out all processes that are not
  # in the top N by CPU or memory, in order to reduce the number of documents created.
  # If both the `by_cpu` and `by_memory` options are used, the union of the two sets
  # is included.
  #process.include_top_n:

    # Set to false to disable this feature and include all processes
    #enabled: true

    # How many processes to include from the top by CPU. The processes are sorted
    # by the `system.process.cpu.total.pct` field.
    #by_cpu: 0

    # How many processes to include from the top by memory. The processes are sorted
    # by the `system.process.memory.rss.bytes` field.
    #by_memory: 0

  # If false, cmdline of a process is not cached.
  #process.cmdline.cache.enabled: true

  # Enable collection of cgroup metrics from processes on Linux.
  #process.cgroups.enabled: true

  # A list of regular expressions used to whitelist environment variables
  # reported with the process metricset's events. Defaults to empty.
  #process.env.whitelist: []

  # Include the cumulative CPU tick values with the process metrics. Defaults
  # to false.
  #process.include_cpu_ticks: false

  # Raid mount point to monitor
  #raid.mount_point: '/'

  # Configure reverse DNS lookup on remote IP addresses in the socket metricset.
  #socket.reverse_lookup.enabled: false
  #socket.reverse_lookup.success_ttl: 60s
  #socket.reverse_lookup.failure_ttl: 60s

  # Diskio configurations
  #diskio.include_devices: []
----

[float]
=== Metricsets

The following metricsets are available:

* <<metricbeat-metricset-system-core,core>>

* <<metricbeat-metricset-system-cpu,cpu>>

* <<metricbeat-metricset-system-diskio,diskio>>

* <<metricbeat-metricset-system-filesystem,filesystem>>

* <<metricbeat-metricset-system-fsstat,fsstat>>

* <<metricbeat-metricset-system-load,load>>

* <<metricbeat-metricset-system-memory,memory>>

* <<metricbeat-metricset-system-network,network>>

* <<metricbeat-metricset-system-process,process>>

* <<metricbeat-metricset-system-process_summary,process_summary>>

* <<metricbeat-metricset-system-raid,raid>>

* <<metricbeat-metricset-system-socket,socket>>

* <<metricbeat-metricset-system-socket_summary,socket_summary>>

* <<metricbeat-metricset-system-uptime,uptime>>

include::system/core.asciidoc[]

include::system/cpu.asciidoc[]

include::system/diskio.asciidoc[]

include::system/filesystem.asciidoc[]

include::system/fsstat.asciidoc[]

include::system/load.asciidoc[]

include::system/memory.asciidoc[]

include::system/network.asciidoc[]

include::system/process.asciidoc[]

include::system/process_summary.asciidoc[]

include::system/raid.asciidoc[]

include::system/socket.asciidoc[]

include::system/socket_summary.asciidoc[]

include::system/uptime.asciidoc[]