Ljubljana, Slovenia

Backpressure

API Backpressure
It's days like this where I love my job. I'm implementing back pressure for API calls that communicate to an external service. Depending on how overloaded the external service is, my API interface adapts to use caching more extensively, or to use a service friendly request retry strategy, minimizing impact on infrastructure and possibly even resolving problems when they occur. This is done by keeping track of a lot of data - timeouts, error responses, request duration, ratios between failed and successful requests,.
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