fabric

Graceful Shutdown

Microservices are designed to run on cloud hardware that often shuts down at unpredictable times. When a microservice receives the signal to terminate, it first stops accepting new operations and attempts to end all pending operations gracefully.

Graceful shutdown process:

• Disable tickers so new iterations do not run
• Stop accepting new requests
• Wait 8 seconds for running tickers, pending requests and goroutines to end naturally
• Cancel the lifetime context.Context of the microservice
• Wait 4 more seconds for running tickers and pending requests, and goroutines to quit
• Close the connection to the bus
• Exit

In order for goroutines to gracefully shut down, it is important to launch them using the Connector’s Go method rather than using the standard go keyword. When launched with Go, the goroutines are given the context.Context that gets canceled during termination.

This site is open source. Improve this page.