zram

• zram
  • Overview
  • Module Description
  • Setup
  • What zram affects
  • Setup Requirements
  • Beginning with zram
  • Usage
  • Reference
  • Limitations
  • Development

Overview

This module configures zram swap using udev rules (no init scripts or systemd units needed).

Module Description

Want to know more about zram? Read the Linux kernel documentation.

Setup

What zram affects

Creates the following files:

• /lib/udev/zram
• /etc/udev/rules.d/01-zram.rules
• /etc/modprobe.d/zram.conf

Finally, it loads the zram module.

Setup Requirements

This module requires puppetlabs-stdlib and puppet-kmod.

Beginning with zram

Make sure you are using a kernel that includes the zram module.

Usage

class { 'zram': }

Reference

The zram class accepts the following parameters:

• numdevices Number of zram devices. Defaults to the number of processors ($facts['processorcount']).

• disksize Size of zram devices. Defaults to half of memory divided by numdevices.

See REFERENCE.md for more details.

Limitations

This module has been tested on a number of systems. (See metadata.json for a full list.) It should work on any Linux distribution that includes the zram kernel module.

Development

Send me a pull request on GitHub.