优化过期列表管理

This commit is contained in:
GoEdgeLab
2024-03-31 11:47:34 +08:00
parent c060215a53
commit 0c227892b0
4 changed files with 89 additions and 55 deletions

View File

@@ -58,3 +58,11 @@ func (this *IdKeyMap) DeleteKey(key string) {
func (this *IdKeyMap) Len() int {
return len(this.idKeys)
}
func (this *IdKeyMap) IdKeys() map[int64]string {
return this.idKeys
}
func (this *IdKeyMap) KeyIds() map[string]int64 {
return this.keyIds
}

View File

@@ -1,8 +1,9 @@
// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package expires
package expires_test
import (
"github.com/TeaOSLab/EdgeNode/internal/utils/expires"
"github.com/iwind/TeaGo/assert"
"github.com/iwind/TeaGo/logs"
"testing"
@@ -11,12 +12,12 @@ import (
func TestNewIdKeyMap(t *testing.T) {
var a = assert.NewAssertion(t)
var m = NewIdKeyMap()
var m = expires.NewIdKeyMap()
m.Add(1, "1")
m.Add(1, "2")
m.Add(100, "100")
logs.PrintAsJSON(m.idKeys, t)
logs.PrintAsJSON(m.keyIds, t)
logs.PrintAsJSON(m.IdKeys(), t)
logs.PrintAsJSON(m.KeyIds(), t)
{
k, ok := m.Key(1)
@@ -36,11 +37,11 @@ func TestNewIdKeyMap(t *testing.T) {
a.IsFalse(ok)
}
logs.PrintAsJSON(m.idKeys, t)
logs.PrintAsJSON(m.keyIds, t)
logs.PrintAsJSON(m.IdKeys(), t)
logs.PrintAsJSON(m.KeyIds(), t)
m.DeleteId(100)
logs.PrintAsJSON(m.idKeys, t)
logs.PrintAsJSON(m.keyIds, t)
logs.PrintAsJSON(m.IdKeys(), t)
logs.PrintAsJSON(m.KeyIds(), t)
}

View File

@@ -11,7 +11,7 @@ type List struct {
expireMap map[int64]ItemMap // expires timestamp => map[id]ItemMap
itemsMap map[uint64]int64 // itemId => timestamp
locker sync.Mutex
mu sync.RWMutex
gcCallback func(itemId uint64)
gcBatchCallback func(itemIds ItemMap)
@@ -42,8 +42,8 @@ func NewSingletonList() *List {
// Add 添加条目
// 如果条目已经存在,则覆盖
func (this *List) Add(itemId uint64, expiresAt int64) {
this.locker.Lock()
defer this.locker.Unlock()
this.mu.Lock()
defer this.mu.Unlock()
if this.lastTimestamp == 0 || this.lastTimestamp > expiresAt {
this.lastTimestamp = expiresAt
@@ -72,14 +72,14 @@ func (this *List) Add(itemId uint64, expiresAt int64) {
}
func (this *List) Remove(itemId uint64) {
this.locker.Lock()
defer this.locker.Unlock()
this.mu.Lock()
defer this.mu.Unlock()
this.removeItem(itemId)
}
func (this *List) ExpiresAt(itemId uint64) int64 {
this.locker.Lock()
defer this.locker.Unlock()
this.mu.RLock()
defer this.mu.RUnlock()
return this.itemsMap[itemId]
}
@@ -87,13 +87,10 @@ func (this *List) GC(timestamp int64) ItemMap {
if this.lastTimestamp > timestamp+1 {
return nil
}
this.locker.Lock()
var itemMap = this.gcItems(timestamp)
if len(itemMap) == 0 {
this.locker.Unlock()
return itemMap
}
this.locker.Unlock()
if this.gcCallback != nil {
for itemId := range itemMap {
@@ -108,16 +105,16 @@ func (this *List) GC(timestamp int64) ItemMap {
}
func (this *List) Clean() {
this.locker.Lock()
this.mu.Lock()
this.itemsMap = map[uint64]int64{}
this.expireMap = map[int64]ItemMap{}
this.locker.Unlock()
this.mu.Unlock()
}
func (this *List) Count() int {
this.locker.Lock()
this.mu.RLock()
var count = len(this.itemsMap)
this.locker.Unlock()
this.mu.RUnlock()
return count
}
@@ -131,6 +128,18 @@ func (this *List) OnGCBatch(callback func(itemMap ItemMap)) *List {
return this
}
func (this *List) ExpireMap() map[int64]ItemMap {
return this.expireMap
}
func (this *List) ItemsMap() map[uint64]int64 {
return this.itemsMap
}
func (this *List) LastTimestamp() int64 {
return this.lastTimestamp
}
func (this *List) removeItem(itemId uint64) {
expiresAt, ok := this.itemsMap[itemId]
if !ok {
@@ -148,12 +157,18 @@ func (this *List) removeItem(itemId uint64) {
}
func (this *List) gcItems(timestamp int64) ItemMap {
this.mu.RLock()
expireItemsMap, ok := this.expireMap[timestamp]
this.mu.RUnlock()
if ok {
this.mu.Lock()
for itemId := range expireItemsMap {
delete(this.itemsMap, itemId)
}
delete(this.expireMap, timestamp)
this.mu.Unlock()
}
return expireItemsMap
}

View File

@@ -1,87 +1,89 @@
package expires
package expires_test
import (
"github.com/TeaOSLab/EdgeNode/internal/utils/expires"
"github.com/TeaOSLab/EdgeNode/internal/utils/fasttime"
"github.com/TeaOSLab/EdgeNode/internal/utils/testutils"
"github.com/iwind/TeaGo/assert"
"github.com/iwind/TeaGo/logs"
timeutil "github.com/iwind/TeaGo/utils/time"
"math"
"math/rand"
"runtime"
"testing"
"time"
)
func TestList_Add(t *testing.T) {
list := NewList()
var list = expires.NewList()
list.Add(1, time.Now().Unix())
t.Log("===BEFORE===")
logs.PrintAsJSON(list.expireMap, t)
logs.PrintAsJSON(list.itemsMap, t)
logs.PrintAsJSON(list.ExpireMap(), t)
logs.PrintAsJSON(list.ItemsMap(), t)
list.Add(1, time.Now().Unix()+1)
list.Add(2, time.Now().Unix()+1)
list.Add(3, time.Now().Unix()+2)
t.Log("===AFTER===")
logs.PrintAsJSON(list.expireMap, t)
logs.PrintAsJSON(list.itemsMap, t)
logs.PrintAsJSON(list.ExpireMap(), t)
logs.PrintAsJSON(list.ItemsMap(), t)
}
func TestList_Add_Overwrite(t *testing.T) {
var timestamp = time.Now().Unix()
list := NewList()
var list = expires.NewList()
list.Add(1, timestamp+1)
list.Add(1, timestamp+1)
list.Add(1, timestamp+2)
logs.PrintAsJSON(list.expireMap, t)
logs.PrintAsJSON(list.itemsMap, t)
logs.PrintAsJSON(list.ExpireMap(), t)
logs.PrintAsJSON(list.ItemsMap(), t)
var a = assert.NewAssertion(t)
a.IsTrue(len(list.itemsMap) == 1)
a.IsTrue(len(list.expireMap) == 1)
a.IsTrue(list.itemsMap[1] == timestamp+2)
a.IsTrue(len(list.ItemsMap()) == 1)
a.IsTrue(len(list.ExpireMap()) == 1)
a.IsTrue(list.ItemsMap()[1] == timestamp+2)
}
func TestList_Remove(t *testing.T) {
list := NewList()
var list = expires.NewList()
list.Add(1, time.Now().Unix()+1)
list.Remove(1)
logs.PrintAsJSON(list.expireMap, t)
logs.PrintAsJSON(list.itemsMap, t)
logs.PrintAsJSON(list.ExpireMap(), t)
logs.PrintAsJSON(list.ItemsMap(), t)
}
func TestList_GC(t *testing.T) {
var unixTime = time.Now().Unix()
t.Log("unixTime:", unixTime)
var list = NewList()
var list = expires.NewList()
list.Add(1, unixTime+1)
list.Add(2, unixTime+1)
list.Add(3, unixTime+2)
list.OnGC(func(itemId uint64) {
t.Log("gc:", itemId)
})
t.Log("last unixTime:", list.lastTimestamp)
t.Log("last unixTime:", list.LastTimestamp())
list.GC(time.Now().Unix() + 2)
logs.PrintAsJSON(list.expireMap, t)
logs.PrintAsJSON(list.itemsMap, t)
logs.PrintAsJSON(list.ExpireMap(), t)
logs.PrintAsJSON(list.ItemsMap(), t)
t.Log(list.Count())
}
func TestList_GC_Batch(t *testing.T) {
list := NewList()
var list = expires.NewList()
list.Add(1, time.Now().Unix()+1)
list.Add(2, time.Now().Unix()+1)
list.Add(3, time.Now().Unix()+2)
list.Add(4, time.Now().Unix()+2)
list.OnGCBatch(func(itemMap ItemMap) {
list.OnGCBatch(func(itemMap expires.ItemMap) {
t.Log("gc:", itemMap)
})
list.GC(time.Now().Unix() + 2)
logs.PrintAsJSON(list.expireMap, t)
logs.PrintAsJSON(list.itemsMap, t)
logs.PrintAsJSON(list.ExpireMap(), t)
logs.PrintAsJSON(list.ItemsMap(), t)
}
func TestList_Start_GC(t *testing.T) {
@@ -89,7 +91,7 @@ func TestList_Start_GC(t *testing.T) {
return
}
list := NewList()
var list = expires.NewList()
list.Add(1, time.Now().Unix()+1)
list.Add(2, time.Now().Unix()+1)
list.Add(3, time.Now().Unix()+2)
@@ -105,14 +107,14 @@ func TestList_Start_GC(t *testing.T) {
})
go func() {
SharedManager.Add(list)
expires.SharedManager.Add(list)
}()
time.Sleep(20 * time.Second)
}
func TestList_ManyItems(t *testing.T) {
list := NewList()
var list = expires.NewList()
for i := 0; i < 1_000; i++ {
list.Add(uint64(i), time.Now().Unix())
}
@@ -135,13 +137,12 @@ func TestList_Memory(t *testing.T) {
return
}
var list = NewList()
var list = expires.NewList()
testutils.StartMemoryStats(t, func() {
t.Log(list.Count(), "items")
})
for i := 0; i < 10_000_000; i++ {
list.Add(uint64(i), time.Now().Unix()+1800)
}
@@ -194,6 +195,15 @@ func TestList_Map_Performance(t *testing.T) {
}
}
func BenchmarkList_Add(b *testing.B) {
var list = expires.NewList()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
list.Add(rand.Uint64(), fasttime.Now().Unix()+int64(rand.Int()%10_000_000))
}
})
}
func Benchmark_Map_Uint64(b *testing.B) {
runtime.GOMAXPROCS(1)
var timestamp = uint64(time.Now().Unix())
@@ -214,14 +224,14 @@ func Benchmark_Map_Uint64(b *testing.B) {
}
func BenchmarkList_GC(b *testing.B) {
runtime.GOMAXPROCS(1)
runtime.GOMAXPROCS(4)
var lists = []*List{}
var lists = []*expires.List{}
for m := 0; m < 1_000; m++ {
var list = NewList()
var list = expires.NewList()
for j := 0; j < 10_000; j++ {
list.Add(uint64(j), fasttime.Now().Unix()+100)
list.Add(uint64(j), fasttime.Now().Unix()+int64(rand.Int()%1_000_000))
}
lists = append(lists, list)
}
@@ -233,7 +243,7 @@ func BenchmarkList_GC(b *testing.B) {
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
for _, list := range lists {
list.GC(timestamp)
list.GC(timestamp + int64(rand.Int()%1_000_000))
}
}
})