mackerel-plugin-proc-fd

Opening fd custom metrics plugin for mackerel.io agent.
This plugin monitors /proc/[pid]/fd/* to count file descriptors.
Now this plugin posts only the maximum number of opening fd in matching processes.

Synopsis

mackerel-plugin-proc-fd -process=<process name>

Example of mackerel-agent.conf

[plugin.metrics.proc-fd]
command = "/path/to/mackerel-plugin-proc-fd -process='keepalived'"