Linux Sysctl FS Monitoring

Linux sysctl is a software utility that allows users to read and modify attributes of the system kernel. It can be used as a system call for compiled programs or as an administrator command for use from scripts.

Why use a Telegraf plugin for Linux Sysctl FS?

The Telegraf plugin for Linux sysctl FS gives access to system level file metrics. These metrics can be useful for tuning and monitoring various things related to the Linux kernel.

Some important things you can keep track of are the status of the directory cache, the maximum number of file handles allowed, the current number of file handles in use, and much more.

How to monitor Linux Sysctl FS using the Telegraf plugin

Configuring the Telegraf Linux sysctl FS plugin is easy and only requires a single line being added to your Telegraf configuration file.
[[inputs.linux_sysctl_fs]]

Key Linux Sysctl FS metrics to use for monitoring

Some of the important Linux Sysctl FS metrics that you should proactively monitor include:

• File-max
• Inode-max
• inode-nr
• Dentry-state
• Dentry-age-limit

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