优化本地数据库性能

internal/utils/dbs/query_stat_manager.go

@@ -24,7 +24,11 @@ func init() {
 					var stats = []string{}
 					for _, stat := range SharedQueryStatManager.TopN(10) {
 						var avg = stat.CostTotal / float64(stat.Calls)
-						stats = append(stats, fmt.Sprintf("%.2fms/%.2fms/%.2fms - %d - %s", stat.CostMin*1000, stat.CostMax*1000, avg*1000, stat.Calls, stat.Query))
+						var query = stat.Query
+						if len(query) > 100 {
+							query = query[:100]
+						}
+						stats = append(stats, fmt.Sprintf("%.2fms/%.2fms/%.2fms - %d - %s", stat.CostMin*1000, stat.CostMax*1000, avg*1000, stat.Calls, query))
 					}
 					logs.Println("====DB STATS====\n" + strings.Join(stats, "\n"))
 				}

internal/utils/exit.go

@@ -0,0 +1,13 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package utils
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/events"
+	"os"
+)
+
+func Exit() {
+	events.Notify(events.EventTerminated)
+	os.Exit(0)
+}

internal/utils/fnv/hash.go

@@ -0,0 +1,19 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package fnv
+
+const (
+	offset64 uint64 = 14695981039346656037
+	prime64  uint64 = 1099511628211
+)
+
+// Hash
+// 非unique Hash
+func Hash(key string) uint64 {
+	var hash = offset64
+	for _, b := range key {
+		hash ^= uint64(b)
+		hash *= prime64
+	}
+	return hash
+}

internal/utils/fnv/hash_test.go

@@ -0,0 +1,16 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package fnv_test
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/utils/fnv"
+	"github.com/iwind/TeaGo/types"
+	"testing"
+)
+
+func TestHash(t *testing.T) {
+	for _, key := range []string{"costarring", "liquid", "hello"} {
+		var h = fnv.Hash(key)
+		t.Log(key + " => " + types.String(h))
+	}
+}

internal/utils/sizes/sizes.go

@@ -3,7 +3,7 @@
 package sizes
 
 const (
-	K = 1024
+	K int64 = 1024
 	M = 1024 * K
 	G = 1024 * M
 	T = 1024 * G