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collectd/memory

Monitor Type: collectd/memory (Source)

Accepts Endpoints: No

Multiple Instances Allowed: No

Overview

Sends memory usage stats for the underlying host. See https://collectd.org/wiki/index.php/Plugin:Memory

Configuration

To activate this monitor in the Smart Agent, add the following to your agent config:

monitors:  # All monitor config goes under this key
 - type: collectd/memory
   ...  # Additional config

For a list of monitor options that are common to all monitors, see Common Configuration.

This monitor has no configuration options.

Metrics

These are the metrics available for this monitor. Metrics that are categorized as container/host (default) are in bold and italics in the list below.

  • memory.buffered (gauge)
    Bytes of memory used for buffering I/O
  • memory.cached (gauge)
    Bytes of memory used for disk caching
  • memory.free (gauge)
    Bytes of memory available for use
  • memory.slab_recl (gauge)
    Bytes of memory, used for SLAB-allocation of kernel objects, that can be reclaimed.
  • memory.slab_unrecl (gauge)
    Bytes of memory, used for SLAB-allocation of kernel objects, that can't be reclaimed
  • memory.used (gauge)
    Bytes of memory in use by the system.

Non-default metrics (version 4.7.0+)

To emit metrics that are not default, you can add those metrics in the generic monitor-level extraMetrics config option. Metrics that are derived from specific configuration options that do not appear in the above list of metrics do not need to be added to extraMetrics.

To see a list of metrics that will be emitted you can run agent-status monitors after configuring this monitor in a running agent instance.