When use crictl rmp -a -f, Avoid excessive coroutines causing context timeout

Increase the maximum number of co processes limit

Signed-off-by: jokemanfire <hu.dingyang@zte.com.cn>

Author: jokemanfire

cmd/crictl/sandbox.go

@@ -166,8 +166,13 @@ var removePodCommand = &cli.Command{
 		}
 
 		funcs := []func() error{}
+		// set max concurrency to 10, to avoid too many goroutines
+		maxConcurrency := 10
+		sem := make(chan struct{}, maxConcurrency)
 		for _, id := range ids {
 			funcs = append(funcs, func() error {
+				sem <- struct{}{}
+				defer func() { <-sem }()
 				resp, err := InterruptableRPC(nil, func(ctx context.Context) (*pb.PodSandboxStatusResponse, error) {
 					return runtimeClient.PodSandboxStatus(ctx, id, false)
 				})
@@ -191,6 +196,7 @@ var removePodCommand = &cli.Command{
 
 				return nil
 			})
+
 		}
 
 		return errorUtils.AggregateGoroutines(funcs...)