feat: add log for searcher plugin

manager/searcher/searcher.go

@@ -94,7 +94,7 @@ type searcher struct{}
 func New(pluginDir string) Searcher {
 	s, err := LoadPlugin(pluginDir)
 	if err != nil {
-		logger.Info("use default searcher")
+		logger.Warnf("use default searcher because of loading searcher plugin failed: %v", err)
 		return &searcher{}
 	}
 
@@ -257,11 +257,8 @@ func calculateMultiElementAffinityScore(dst, src string) float64 {
 	elementLen = math.Min(len(dstElements), len(srcElements))
 
 	// Maximum element length is 5.
-	if elementLen > maxElementLen {
-		elementLen = maxElementLen
-	}
-
-	for i := 0; i < elementLen; i++ {
+	elementLen = min(elementLen, maxElementLen)
+	for i := range elementLen {
 		if !strings.EqualFold(dstElements[i], srcElements[i]) {
 			break
 		}

pkg/rpc/scheduler/server/server.go

@@ -42,10 +42,10 @@ import (
 
 const (
 	// DefaultQPS is default qps of grpc server.
-	DefaultQPS = 20 * 1000
+	DefaultQPS = 1000
 
 	// DefaultBurst is default burst of grpc server.
-	DefaultBurst = 30 * 1000
+	DefaultBurst = 1000
 
 	// DefaultMaxConnectionIdle is default max connection idle of grpc keepalive.
 	DefaultMaxConnectionIdle = 10 * time.Minute