Process that retrieves and executes queued jobs.

Attempting a failed operation again.

Optional component adding functionality to software.

Restricting the frequency of operations or requests.

Rules controlling when and how failed operations are retried.

Collection of software protocols implementing networking.

Design allowing functionality to be added through plugins.

Database copy used primarily for read operations.

Proxy receiving client requests and forwarding them to backend services.

Value representing absence of an object or value.