SFDC is one of the world first and most popular SAAS multi-tenant platform. One of the major required of any multi-tenant system is enforcing controlled resource usage. SFDC has implemented various governor limits to enforce controlled resource usage by any tenant.

Although this help SFDC to support multiple tenants on single platform, it does provide some unique challenges to users of the system, especially developers and troubleshooters.

Laas is an attempt to provide some “out-of-box” kind of support for developers for logging and troubleshooting. It will help in developing customer functionality, while in development and
later, in troubleshooting.

LAAS is a component based logging infrastructure which can be fine-tuned at run time. Since saving log has its own overhead, in term of CPU, heap memory and governor limits, it should be used wisely.