diff --git a/pkg/client/ratelimiter/ratelimiter.go b/pkg/ratelimiter/ratelimiter.go
similarity index 87%
rename from pkg/client/ratelimiter/ratelimiter.go
rename to pkg/ratelimiter/ratelimiter.go
index b5fc9e0026380..fe7eab969d61f 100644
--- a/pkg/client/ratelimiter/ratelimiter.go
+++ b/pkg/ratelimiter/ratelimiter.go
@@ -20,11 +20,14 @@ type AppControllerRateLimiterConfig struct {
 
 func GetAppRateLimiterConfig() *AppControllerRateLimiterConfig {
 	return &AppControllerRateLimiterConfig{
+		// global queue rate limit config
 		int(env.ParseInt64FromEnv("WORKQUEUE_BUCKET_SIZE", 500, 1, math.MaxInt64)),
 		int(env.ParseInt64FromEnv("WORKQUEUE_BUCKET_QPS", 50, 1, math.MaxInt64)),
-		env.ParseDurationFromEnv("WORKQUEUE_FAILURE_COOLDOWN", 5*time.Minute, 0, 24*time.Hour),
-		env.ParseDurationFromEnv("WORKQUEUE_BASE_DELAY", 2*time.Millisecond, 1*time.Millisecond, 24*time.Hour),
-		env.ParseDurationFromEnv("WORKQUEUE_MAX_DELAY", 1000*time.Second, 1*time.Millisecond, 24*time.Hour),
+		// individual item rate limit config
+		// when WORKQUEUE_FAILURE_COOLDOWN is 0 per item rate limiting default disabled(default)
+		env.ParseDurationFromEnv("WORKQUEUE_FAILURE_COOLDOWN", 0, 0, 24*time.Hour),
+		time.Duration(env.ParseInt64FromEnv("WORKQUEUE_BASE_DELAY_NS", 1000, 1, (24*time.Hour).Nanoseconds())) * time.Nanosecond,
+		env.ParseDurationFromEnv("WORKQUEUE_MAX_DELAY", 120*time.Second, 1*time.Millisecond, 24*time.Hour),
 	}
 }