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When to retry event driven functions in google cloud?


Asked by Emely Burnett on Dec 04, 2021 Mini Program Cloud Development Study Guide



However, by default, if a function invocation terminates with an error, the function will not be invoked again, and the event will be dropped. When you enable retries on a background function, Cloud Functions will retry a failed function invocation until it completes successfully, or the retry window (by default, 7 days) expires.
In addition,
Click Create function. Alternatively, click an existing function to go to its details page and click Edit. Fill in the required fields for your function. Ensure the Trigger field is set to an event-based trigger type, such as Cloud Pub/Sub or Cloud Storage. Expand the advanced settings by clicking More.
Also, Automatic retrying is not available for HTTP functions. Note: the type of event-driven function you use is determined by the runtime your function will run on. Cloud Functions guarantees at-least-once execution of an event-driven function for each event emitted by an event source.
Just so,
CloudEvent functions and background functions are both event-driven functions that are triggered by internal Cloud Platform events, while HTTP functions are triggered by HTTP requests. A function's test structure depends on which Google Cloud Platform resources that function uses.
Also Know,
Cloud Functions can be triggered by messages published to Pub/Sub topics in the same Cloud project as the function. Pub/Sub is a globally distributed message bus that automatically scales as you need it and provides a foundation for building your own robust, global services.