Learning Golang: Concurrency Patterns using errgroup package

Welcome! Let’s learn about Go/Golang Concurrency Patterns, this time we are covering examples using the errgroup package for implementing parallelization and comparing that to the sync package’s WaitGroup type.

=== Relevant Links

* Example code: https://github.com/MarioCarrion/videos/tree/a2d4d2d8efb306f44c23e157d0ad10636230f3de/2021/09/02

* Documentation: https://pkg.go.dev/golang.org/x/[email protected]/errgroup
* Learning Golang: Introduction to Concurrency Patterns, goroutines and channels: https://youtu.be/-xEycsoGoA8
* Learning Golang: Context package: Cancellations, Deadlines and Request-scoped values: https://youtu.be/mgJMIZsWfB4

* Playlist “Software Architecture in Go”: https://www.youtube.com/playlist?list=PL7yAAGMOat_GCd12Lrv_evJ3Zhv1dl8B-
* Playlist “Learning Go”: https://www.youtube.com/playlist?list=PL7yAAGMOat_F7bOImcjx4ZnCtfyNEqzCy
* Playlist “Building Microservices in Go”: https://www.youtube.com/playlist?list=PL7yAAGMOat_Fn8sAXIk0WyBfK_sT1pohu
* Playlist “GoTools and Packages”: https://www.youtube.com/playlist?list=PL7yAAGMOat_HEEOvH99agDs_5g51A0Ls3
* Playlist “Testing in Go”: https://www.youtube.com/playlist?list=PL7yAAGMOat_HSeW4zF0uRL9EaHadE4ZZq

00:00 Start
00:10 Introduction to the errgroup package in Golang
01:22 Example using sync and Waitgroup and errgroup
05:56 Example using context with errgroup
10:40 Conclusion

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