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collectd/memory

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

Monitor Type: collectd/memory

Monitor Source Code

Accepts Endpoints: No

Multiple Instances Allowed: No

Configuration

This monitor has no configuration options.

Metrics

The following table lists the metrics available for this monitor. Metrics that are marked as Included are standard metrics and are monitored by default.

Name Type Included Description
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.

To specify custom metrics you want to monitor, add a metricsToInclude filter to the agent configuration, as shown in the code snippet below. The snippet lists all available custom metrics. You can copy and paste the snippet into your configuration file, then delete any custom metrics that you do not want sent.

Note that some of the custom metrics require you to set a flag as well as add them to the list. Check the monitor configuration file to see if a flag is required for gathering additional metrics.

metricsToInclude:
  - metricNames:
    monitorType: collectd/memory