Disable default node limits (#472)

* Disable default node limits

* removed unused vars

pkg/config/config.go

@@ -3,7 +3,6 @@ package config
 import (
 	"fmt"
 	"os"
-	"runtime"
 	"time"
 
 	"github.com/mitchellh/go-homedir"
@@ -13,12 +12,6 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-const (
-	defaultLimitNumTracksPerCPU int32   = 400
-	defaultLimitMaxNumTracks    int32   = 8000
-	defaultLimitBytesPerSec     float32 = 1_000_000_000 // just under 10 Gbps
-)
-
 var DefaultStunServers = []string{
 	"stun.l.google.com:19302",
 	"stun1.l.google.com:19302",
@@ -225,7 +218,7 @@ func NewConfig(confString string, c *cli.Context) (*Config, error) {
 		},
 		NodeSelector: NodeSelectorConfig{
 			Kind:         "random",
-			SysloadLimit: 0.7,
+			SysloadLimit: 0.9,
 		},
 		Keys: map[string]string{},
 	}
@@ -266,17 +259,6 @@ func NewConfig(confString string, c *cli.Context) (*Config, error) {
 		}
 	}
 
-	if conf.Limit.NumTracks == 0 {
-		conf.Limit.NumTracks = defaultLimitNumTracksPerCPU * int32(runtime.NumCPU())
-		if conf.Limit.NumTracks > defaultLimitMaxNumTracks {
-			conf.Limit.NumTracks = defaultLimitMaxNumTracks
-		}
-	}
-
-	if conf.Limit.BytesPerSec == 0 {
-		conf.Limit.BytesPerSec = defaultLimitBytesPerSec
-	}
-
 	if conf.LogLevel != "" {
 		conf.Logging.Level = conf.LogLevel
 	}