Use fastcache instead of ristretto

antireplay/init.go

@@ -1,10 +1,9 @@
 package antireplay
 
 import (
-	"math"
 	"sync"
 
-	"github.com/dgraph-io/ristretto"
+	"github.com/VictoriaMetrics/fastcache"
 
 	"mtg/config"
 )
@@ -16,19 +15,6 @@ var (
 
 func Init() {
 	initOnce.Do(func() {
-		cost := float64(config.C.AntiReplayMaxSize) / 32.0
-		cost = math.Ceil(cost)
-
-		c, err := ristretto.NewCache(&ristretto.Config{
-			NumCounters: int64(cost) * 10,
-			MaxCost:     config.C.AntiReplayMaxSize,
-			BufferItems: 64,
-			Metrics:     false,
-		})
-		if err != nil {
-			panic(err)
-		}
-
-		Cache.data = c
+		Cache.data = fastcache.New(config.C.AntiReplayMaxSize)
 	})
 }