Change management is one of the core processes of a mature SA team. It
is a mechanism through which a group of people can make sure that changes
that may have an impact on other changes do not occur simultaneously. It is
a mechanism for reducing outages or problems by making SAs think through
various aspects of a change before they implement it. It is a communication
tool that makes sure that everyone is on the same page when changes are
made. In other words, it means having a lower “oops” quotient and being
able to deal more quickly with an oops when it happens. Change management
is crucial in e-commerce companies whose revenue stream relies on 24/7
availability.