Increase API rate limit on read only port of apiserver

duda · Jan 30, 2015 · d8bda40 · d8bda40
1 parent 2e9cb5e
commit d8bda40
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/cmd/kube-apiserver/apiserver.go b/cmd/kube-apiserver/apiserver.go
@@ -60,8 +60,8 @@ var (
 		"The port from which to serve read-only resources. If 0, don't serve on a "+
 		"read-only address. It is assumed that firewall rules are set up such that "+
 		"this port is not reachable from outside of the cluster.")
-	apiRate     = flag.Float32("api_rate", 1.0, "API rate limit as QPS for the read only port")
-	apiBurst    = flag.Int("api_burst", 20, "API burst amount for the read only port")
+	apiRate     = flag.Float32("api_rate", 10.0, "API rate limit as QPS for the read only port")
+	apiBurst    = flag.Int("api_burst", 200, "API burst amount for the read only port")
 	securePort  = flag.Int("secure_port", 8443, "The port from which to serve HTTPS with authentication and authorization. If 0, don't serve HTTPS ")
 	tlsCertFile = flag.String("tls_cert_file", "", ""+
 		"File containing x509 Certificate for HTTPS.  (CA cert, if any, concatenated after server cert). "+
@@ -217,7 +217,7 @@ func main() {
 	// See the flag commentary to understand our assumptions when opening the read-only and read-write ports.
 
 	if roLocation != "" {
-		// Default settings allow 1 read-only request per second, allow up to 20 in a burst before enforcing.
+		// Default settings allow 10 read-only requests per second, allow up to 200 in a burst before enforcing.
 		rl := util.NewTokenBucketRateLimiter(*apiRate, *apiBurst)
 		readOnlyServer := &http.Server{
 			Addr:           roLocation,

diff --git a/pkg/apiserver/handlers.go b/pkg/apiserver/handlers.go
@@ -75,7 +75,7 @@ func RateLimit(rl util.RateLimiter, handler http.Handler) http.Handler {
 		// Return a 429 status indicating "Too Many Requests"
 		w.Header().Set("Retry-After", "1")
 		w.WriteHeader(errors.StatusTooManyRequests)
-		fmt.Fprintf(w, "Rate limit is 1 QPS or a burst of 20")
+		fmt.Fprintf(w, "Rate limit is 10 QPS or a burst of 200")
 	})
 }