Being on call
On call duty refers to specific operational activities performed to support the reliable running of a service or application both during working and non-working hours. On call duty is one of the critical responsibilities for an SRE and is also important from a service standpoint to keep the service available and reliable. SRE teams (as previously defined) are different from regular operational teams as the goal is to emphasize the use of engineering techniques to solve operational problems and to prevent their occurrence at scale. It is typically common to engage the product/application SRE team during on call. In the case of specialized services, embedded SRE teams are engaged for on call duty.
When an incident occurs, the response time from initiating the incident management process to resolving or mitigating the issue is key to meeting the desired SLO, which in turn will meet the promised SLA. There are multiple factors that need to be considered while implementing...