Rémy Mathieu


Sized Wait Group

Release date: November 2016

SizedWaitGroup has the same role and close to the same API as the Golang sync.WaitGroup but it adds a limit on the amount of goroutines started concurrently.

SizedWaitGroup is quite similar to Golang’s WaitGroup but adds the principle of throttling: you can specify the maximum amount of routines to spawn concurrently.

A typical use-case would be to execute as fast as possible a set of queries but without overloading the called database.


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