What is the main responsibility of an SRE team?

The main responsibility of a Site Reliability Engineering (SRE) team is to find good service-level indicators (SLIs) for monitoring. SLIs are vital metrics that reflect the performance and availability of a service from the perspective of the end user. By establishing appropriate SLIs, the SRE team can effectively monitor the health of services, ensure that service level objectives (SLOs) are being met, and maintain high service reliability and performance.

This process involves understanding the needs of users and the technology supporting the service, which leads to the identification of meaningful metrics that can be monitored. By focusing on these indicators, the SRE team can proactively detect issues, measure operational performance, and drive improvements, allowing the organization to deliver reliable services that meet user expectations.