Go

Kubernetes Client-Side Indexing This post is part of Kubernetes controller development. Check out the first part on Diving into controller-runtime | Manager if you are interested in controller-runtime. When working with Kubernetes Operators, read requests (get and list) to the Kubernetes API server are handled by an in-memory cache that is maintained by client-go to reduce the load on your API server. This cache can be enhanced with indexes to retrieve resources more efficiently....

Concurrency Channels Unbuffered channel If channel is unbuffered 1 ch := make(chan struct{}) sending a data to channel will block the goroutine as the channel is nil. 1 2 3 4 5 6 7 package main func main() { ch := make(chan struct{}) ch <- struct{}{} } Output of this program is: 1 2 3 4 5 6 7 $ go run main.go fatal error: all goroutines are asleep - deadlock!...