Introduction

Happyface is a meta monitoring tool, aggregating data from multiple services or databases to provide a quick overview of the general status. Per monitored service, an instance of an analysis is run.

Examples of such analysis instances are shown below. Instances are assigned to a category, which groups them on the Happyface website and provides a comprehensive overview.

dCache transfer rates by host Overall dCache transfer rate

The data of the analyses is stored in a PostgreSQL database.