This is a powerful daemon for collecting system information that can regularly gather and tally information about the system. It supports a rich array of data collection plugins capable of monitoring hardware usage, system performance metrics, network traffic, and various types of data, including Apache, MySQL, batteries, sensors, etc. It also supports outputting collected data to databases and monitoring systems such as RRDtool and InfluxDB, suitable for scenarios like embedded systems, IoT, and server cluster monitoring.