Api

Optimizing Concurrent Data Fetching in Go with singleflight When multiple requests for the same resource arrive simultaneously, you have a choice: make redundant calls or coalesce them. I’ve hit this pattern enough times that Go’s singleflight package has become a default tool in my kit. Let’s dive into how singleflight can optimize concurrent data fetching, using the example of fetching currency exchange rates in a financial application. All code examples from this essay can be found at this repository . ...