mirror of
https://github.com/openimsdk/open-im-server.git
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feat: add local cache for high frequency reads (#2036)
* feat: msg local cache * feat: msg local cache * feat: msg local cache * feat: msg local cache * feat: msg local cache * feat: msg local cache * fix: mongo * fix: mongo * fix: mongo * openim.yaml * localcache * localcache * localcache * localcache * localcache * localcache * localcache * localcache * localcache * local cache * local cache * local cache * local cache * fix: GroupApplicationAcceptedNotification * fix: GroupApplicationAcceptedNotification * fix: NotificationUserInfoUpdate * feat: cache add single-flight and timing-wheel. * feat: local cache * feat: local cache * feat: local cache * feat: cache add single-flight and timing-wheel. * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: local cache * feat: msg rpc local cache * feat: msg rpc local cache * feat: msg rpc local cache * feat: msg rpc local cache * feat: msg rpc local cache * feat: msg rpc local cache * refactor: refactor the code of push and optimization. * cicd: robot automated Change * refactor: rename cache. * merge * fix: refactor project dir avoid import cycle. * update tools * merge * feat: conversation FindRecvMsgNotNotifyUserIDs * feat: conversation FindRecvMsgNotNotifyUserIDs * feat: conversation FindRecvMsgNotNotifyUserIDs * merge * merge the latest main --------- Co-authored-by: Gordon <46924906+FGadvancer@users.noreply.github.com> Co-authored-by: withchao <withchao@users.noreply.github.com>
This commit is contained in:
chao
@@ -0,0 +1,20 @@
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package lru
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import "github.com/hashicorp/golang-lru/v2/simplelru"
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type EvictCallback[K comparable, V any] simplelru.EvictCallback[K, V]
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type LRU[K comparable, V any] interface {
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Get(key K, fetch func() (V, error)) (V, error)
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Del(key K) bool
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Stop()
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}
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type Target interface {
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IncrGetHit()
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IncrGetSuccess()
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IncrGetFailed()
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IncrDelHit()
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IncrDelNotFound()
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}
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@@ -0,0 +1,78 @@
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package lru
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import (
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"github.com/hashicorp/golang-lru/v2/expirable"
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"sync"
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"time"
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)
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func NewExpirationLRU[K comparable, V any](size int, successTTL, failedTTL time.Duration, target Target, onEvict EvictCallback[K, V]) LRU[K, V] {
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var cb expirable.EvictCallback[K, *expirationLruItem[V]]
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if onEvict != nil {
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cb = func(key K, value *expirationLruItem[V]) {
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onEvict(key, value.value)
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}
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}
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core := expirable.NewLRU[K, *expirationLruItem[V]](size, cb, successTTL)
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return &ExpirationLRU[K, V]{
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core: core,
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successTTL: successTTL,
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failedTTL: failedTTL,
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target: target,
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}
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}
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type expirationLruItem[V any] struct {
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lock sync.RWMutex
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err error
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value V
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}
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type ExpirationLRU[K comparable, V any] struct {
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lock sync.Mutex
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core *expirable.LRU[K, *expirationLruItem[V]]
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successTTL time.Duration
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failedTTL time.Duration
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target Target
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}
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func (x *ExpirationLRU[K, V]) Get(key K, fetch func() (V, error)) (V, error) {
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x.lock.Lock()
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v, ok := x.core.Get(key)
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if ok {
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x.lock.Unlock()
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x.target.IncrGetSuccess()
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v.lock.RLock()
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defer v.lock.RUnlock()
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return v.value, v.err
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} else {
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v = &expirationLruItem[V]{}
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x.core.Add(key, v)
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v.lock.Lock()
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x.lock.Unlock()
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defer v.lock.Unlock()
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v.value, v.err = fetch()
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if v.err == nil {
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x.target.IncrGetSuccess()
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} else {
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x.target.IncrGetFailed()
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x.core.Remove(key)
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}
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return v.value, v.err
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}
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}
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func (x *ExpirationLRU[K, V]) Del(key K) bool {
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x.lock.Lock()
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ok := x.core.Remove(key)
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x.lock.Unlock()
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if ok {
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x.target.IncrDelHit()
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} else {
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x.target.IncrDelNotFound()
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}
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return ok
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}
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func (x *ExpirationLRU[K, V]) Stop() {
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}
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@@ -0,0 +1,90 @@
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package lru
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import (
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"github.com/hashicorp/golang-lru/v2/simplelru"
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"sync"
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"time"
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)
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type layLruItem[V any] struct {
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lock sync.Mutex
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expires int64
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err error
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value V
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}
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func NewLayLRU[K comparable, V any](size int, successTTL, failedTTL time.Duration, target Target, onEvict EvictCallback[K, V]) *LayLRU[K, V] {
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var cb simplelru.EvictCallback[K, *layLruItem[V]]
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if onEvict != nil {
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cb = func(key K, value *layLruItem[V]) {
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onEvict(key, value.value)
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}
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}
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core, err := simplelru.NewLRU[K, *layLruItem[V]](size, cb)
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if err != nil {
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panic(err)
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}
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return &LayLRU[K, V]{
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core: core,
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successTTL: successTTL,
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failedTTL: failedTTL,
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target: target,
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}
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}
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type LayLRU[K comparable, V any] struct {
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lock sync.Mutex
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core *simplelru.LRU[K, *layLruItem[V]]
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successTTL time.Duration
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failedTTL time.Duration
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target Target
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}
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func (x *LayLRU[K, V]) Get(key K, fetch func() (V, error)) (V, error) {
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x.lock.Lock()
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v, ok := x.core.Get(key)
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if ok {
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x.lock.Unlock()
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v.lock.Lock()
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expires, value, err := v.expires, v.value, v.err
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if expires != 0 && expires > time.Now().UnixMilli() {
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v.lock.Unlock()
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x.target.IncrGetHit()
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return value, err
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}
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} else {
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v = &layLruItem[V]{}
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x.core.Add(key, v)
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v.lock.Lock()
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x.lock.Unlock()
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}
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defer v.lock.Unlock()
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if v.expires > time.Now().UnixMilli() {
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return v.value, v.err
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}
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v.value, v.err = fetch()
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if v.err == nil {
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v.expires = time.Now().Add(x.successTTL).UnixMilli()
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x.target.IncrGetSuccess()
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} else {
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v.expires = time.Now().Add(x.failedTTL).UnixMilli()
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x.target.IncrGetFailed()
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}
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return v.value, v.err
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}
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func (x *LayLRU[K, V]) Del(key K) bool {
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x.lock.Lock()
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ok := x.core.Remove(key)
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x.lock.Unlock()
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if ok {
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x.target.IncrDelHit()
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} else {
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x.target.IncrDelNotFound()
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}
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return ok
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}
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func (x *LayLRU[K, V]) Stop() {
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}
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@@ -0,0 +1,104 @@
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package lru
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import (
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"fmt"
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"hash/fnv"
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"sync"
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"sync/atomic"
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"testing"
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"time"
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"unsafe"
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)
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type cacheTarget struct {
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getHit int64
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getSuccess int64
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getFailed int64
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delHit int64
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delNotFound int64
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}
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func (r *cacheTarget) IncrGetHit() {
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atomic.AddInt64(&r.getHit, 1)
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}
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func (r *cacheTarget) IncrGetSuccess() {
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atomic.AddInt64(&r.getSuccess, 1)
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}
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func (r *cacheTarget) IncrGetFailed() {
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atomic.AddInt64(&r.getFailed, 1)
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}
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func (r *cacheTarget) IncrDelHit() {
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atomic.AddInt64(&r.delHit, 1)
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}
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func (r *cacheTarget) IncrDelNotFound() {
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atomic.AddInt64(&r.delNotFound, 1)
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}
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func (r *cacheTarget) String() string {
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return fmt.Sprintf("getHit: %d, getSuccess: %d, getFailed: %d, delHit: %d, delNotFound: %d", r.getHit, r.getSuccess, r.getFailed, r.delHit, r.delNotFound)
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}
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func TestName(t *testing.T) {
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target := &cacheTarget{}
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l := NewSlotLRU[string, string](100, func(k string) uint64 {
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h := fnv.New64a()
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h.Write(*(*[]byte)(unsafe.Pointer(&k)))
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return h.Sum64()
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}, func() LRU[string, string] {
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return NewExpirationLRU[string, string](100, time.Second*60, time.Second, target, nil)
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})
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//l := NewInertiaLRU[string, string](1000, time.Second*20, time.Second*5, target)
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fn := func(key string, n int, fetch func() (string, error)) {
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for i := 0; i < n; i++ {
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//v, err := l.Get(key, fetch)
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//if err == nil {
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// t.Log("key", key, "value", v)
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//} else {
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// t.Error("key", key, err)
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//}
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v, err := l.Get(key, fetch)
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//time.Sleep(time.Second / 100)
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func(v ...any) {}(v, err)
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}
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}
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tmp := make(map[string]struct{})
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var wg sync.WaitGroup
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for i := 0; i < 10000; i++ {
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wg.Add(1)
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key := fmt.Sprintf("key_%d", i%200)
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tmp[key] = struct{}{}
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go func() {
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defer wg.Done()
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//t.Log(key)
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fn(key, 10000, func() (string, error) {
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//time.Sleep(time.Second * 3)
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//t.Log(time.Now(), "key", key, "fetch")
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//if rand.Uint32()%5 == 0 {
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// return "value_" + key, nil
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//}
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//return "", errors.New("rand error")
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return "value_" + key, nil
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})
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}()
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//wg.Add(1)
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//go func() {
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// defer wg.Done()
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// for i := 0; i < 10; i++ {
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// l.Del(key)
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// time.Sleep(time.Second / 3)
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// }
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//}()
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}
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wg.Wait()
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t.Log(len(tmp))
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t.Log(target.String())
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}
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@@ -0,0 +1,37 @@
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package lru
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func NewSlotLRU[K comparable, V any](slotNum int, hash func(K) uint64, create func() LRU[K, V]) LRU[K, V] {
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x := &slotLRU[K, V]{
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n: uint64(slotNum),
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slots: make([]LRU[K, V], slotNum),
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hash: hash,
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}
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for i := 0; i < slotNum; i++ {
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x.slots[i] = create()
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}
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return x
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}
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type slotLRU[K comparable, V any] struct {
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n uint64
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slots []LRU[K, V]
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hash func(k K) uint64
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}
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func (x *slotLRU[K, V]) getIndex(k K) uint64 {
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return x.hash(k) % x.n
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}
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func (x *slotLRU[K, V]) Get(key K, fetch func() (V, error)) (V, error) {
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return x.slots[x.getIndex(key)].Get(key, fetch)
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}
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func (x *slotLRU[K, V]) Del(key K) bool {
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return x.slots[x.getIndex(key)].Del(key)
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}
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func (x *slotLRU[K, V]) Stop() {
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for _, slot := range x.slots {
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slot.Stop()
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}
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}
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