delayed_job custom metrics plugin for mackerel.io agent.
mackerel-plugin-delayed-job-count -dsn=<dataSourceName>
See https://github.com/go-sql-driver/mysql/#dsn-data-source-name
- MySQL
- PostgreSQL (WIP)
[plugin.metrics.delayed_job_count]
command = "/path/to/mackerel-plugin-delayed-job-count -dsn=<dataSourceName>"