Monitoring System Swap

This article will help you get the System_swap plugin for sd-agent configured and returning metrics

Installing the system_swap plugin package

Install the system_swap plugin on Debian/Ubuntu:

sudo apt-get install sd-agent-system-swap

Install the system_swap plugin on RHEL/CentOS:

sudo yum install sd-agent-system-swap

Read more about agent plugins.

Configuring the agent to collect swap metrics

1. Configure /etc/sd-agent/conf.d/system_swap.yaml

This check does not need any configuration

init_config:

instances: [{}]

2. Restart the agent

sudo /etc/init.d/sd-agent restart

or

sudo systemctl restart sd-agent

Verifying the configuration
Execute info to verify the configuration with the following:

sudo /etc/init.d/sd-agent info 

or

/usr/share/python/sd-agent/agent.py info

If the agent has been configured correctly you'll see an output such as:

system_swap
-----
  - instance #0 [OK]
  - Collected * metrics

You can also view the metrics returned with the following command:

sudo -u sd-agent /usr/share/python/sd-agent/agent.py check system_swap

Configuring graphs

Click the name of your server from the Devices list in your Server Density account then go to the Metrics tab. Click the + Graph button on the right then choose the system_swap metrics to display the graphs. The metrics will also be available to select when building dashboard graphs.

Screen_Shot_2018-01-18_at_11.46.12.png

Monitored metrics

MetricValues
system.swap.swapped_in

Bytes of memory swapped in
byte / None
Type: float
system.swap.swapped_out

Bytes of memory swapped out
byte / None
Type: float
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