How do I set resource limits in Go?

In Go, you can set resource limits using the `Setrlimit` function from the `golang.org/x/sys/unix` package. This function allows you to control various process resource limits, such as CPU time, maximum memory size, and more. Below is a simple example demonstrating how to set a memory limit for a Go application.

package main import ( "fmt" "golang.org/x/sys/unix" "os" ) func main() { // Set memory limit var rLimit unix.Rlimit rLimit.Cur = 50 * 1024 * 1024 // 50 MB rLimit.Max = 50 * 1024 * 1024 // 50 MB // Apply the limit if err := unix.Setrlimit(unix.RLIMIT_AS, &rLimit); err != nil { fmt.Fprintf(os.Stderr, "Error setting memory limit: %v\n", err) os.Exit(1) } // Show that the limit is set fmt.Println("Memory limit set to 50 MB") }

Go resource limits Go memory limit Setrlimit in Go resource management Go Go application performance

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