How to set the GOGC value ? You can set its value in the terminal like this. GOGC=200 Or you can change it in yaml file of the environment variable when using docker or kubernetes. What is the default value of GOGC ? The default value of GOGC is 100 which means that the garbage collection process will run when the allocations doubled from previous allocations count. What can I do to reduce the effect of garbage collection in Go ? If your Go program has a large static data set, set the GOGC to a smaller percentage; for example GOGC=50.