system.ram

Plugin: freebsd.plugin Module: system.ram

Overview

Show information about system memory usage.

The plugin calls sysctl function to collect necessary data.

This collector is supported on all platforms.

This collector supports collecting metrics from multiple instances of this integration, including remote instances.

Default Behavior

Auto-Detection

This integration doesn't support auto-detection.

Limits

The default configuration for this integration does not impose any limits on data collection.

Performance Impact

The default configuration for this integration is not expected to impose a significant performance impact on the system.

Metrics

Metrics grouped by scope.

The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels.

Per system.ram instance

This metric shows RAM usage statistics.

This scope has no labels.

Metrics:

Metric	Dimensions	Unit
system.ram	free, active, inactive, wired, cache, laundry, buffers	MiB
mem.available	avail	MiB

Alerts

The following alerts are available:

Alert name	On metric	Description
ram_in_use	system.ram	system memory utilization
ram_in_use	system.ram	system memory utilization
ram_available	mem.available	percentage of estimated amount of RAM available for userspace processes, without causing swapping
ram_available	mem.available	percentage of estimated amount of RAM available for userspace processes, without causing swapping

Setup

Prerequisites

No action required.

Configuration

File

The configuration file name for this integration is netdata.conf. Configuration for this specific integration is located in the [plugin:freebsd] section within that file.

The file format is a modified INI syntax. The general structure is:

[section1]
    option1 = some value
    option2 = some other value

[section2]
    option3 = some third value

You can edit the configuration file using the edit-config script from the Netdata config directory.

cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata
sudo ./edit-config netdata.conf

Options

Config options

Name	Description	Default	Required
system.ram	Enable or disable system RAM metric.	yes	no

Examples

There are no configuration examples.