seq user

internal/msgtransfer/init.go

@@ -82,7 +82,6 @@ func Start(ctx context.Context, index int, config *Config) error {
 	client.AddOption(mw.GrpcClient(), grpc.WithTransportCredentials(insecure.NewCredentials()),
 		grpc.WithDefaultServiceConfig(fmt.Sprintf(`{"LoadBalancingPolicy": "%s"}`, "round_robin")))
 	msgModel := redis.NewMsgCache(rdb)
-	seqModel := redis.NewSeqCache(rdb)
 	msgDocModel, err := mgo.NewMsgMongo(mgocli.GetDB())
 	if err != nil {
 		return err
@@ -92,7 +91,12 @@ func Start(ctx context.Context, index int, config *Config) error {
 		return err
 	}
 	seqConversationCache := redis.NewSeqConversationCacheRedis(rdb, seqConversation)
-	msgDatabase, err := controller.NewCommonMsgDatabase(msgDocModel, msgModel, seqModel, seqConversationCache, &config.KafkaConfig)
+	seqUser, err := mgo.NewSeqUserMongo(mgocli.GetDB())
+	if err != nil {
+		return err
+	}
+	seqUserCache := redis.NewSeqUserCacheRedis(rdb, seqUser)
+	msgDatabase, err := controller.NewCommonMsgDatabase(msgDocModel, msgModel, seqUserCache, seqConversationCache, &config.KafkaConfig)
 	if err != nil {
 		return err
 	}

internal/rpc/msg/server.go

@@ -86,7 +86,6 @@ func Start(ctx context.Context, config *Config, client discovery.SvcDiscoveryReg
 		return err
 	}
 	msgModel := redis.NewMsgCache(rdb)
-	seqModel := redis.NewSeqCache(rdb)
 	conversationClient := rpcclient.NewConversationRpcClient(client, config.Share.RpcRegisterName.Conversation)
 	userRpcClient := rpcclient.NewUserRpcClient(client, config.Share.RpcRegisterName.User, config.Share.IMAdminUserID)
 	groupRpcClient := rpcclient.NewGroupRpcClient(client, config.Share.RpcRegisterName.Group)
@@ -96,7 +95,12 @@ func Start(ctx context.Context, config *Config, client discovery.SvcDiscoveryReg
 		return err
 	}
 	seqConversationCache := redis.NewSeqConversationCacheRedis(rdb, seqConversation)
-	msgDatabase, err := controller.NewCommonMsgDatabase(msgDocModel, msgModel, seqModel, seqConversationCache, &config.KafkaConfig)
+	seqUser, err := mgo.NewSeqUserMongo(mgocli.GetDB())
+	if err != nil {
+		return err
+	}
+	seqUserCache := redis.NewSeqUserCacheRedis(rdb, seqUser)
+	msgDatabase, err := controller.NewCommonMsgDatabase(msgDocModel, msgModel, seqUserCache, seqConversationCache, &config.KafkaConfig)
 	if err != nil {
 		return err
 	}

pkg/common/storage/cache/cachekey/seq.go

@@ -1,38 +1,30 @@
-// Copyright © 2024 OpenIM. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
 package cachekey
 
 const (
-	MaxSeq                 = "MAX_SEQ:"
-	MinSeq                 = "MIN_SEQ:"
-	ConversationUserMinSeq = "CON_USER_MIN_SEQ:"
-	HasReadSeq             = "HAS_READ_SEQ:"
+	MallocSeq        = "MALLOC_SEQ:"
+	MallocMinSeqLock = "MALLOC_MIN_SEQ:"
+
+	SeqUserMaxSeq  = "SEQ_USER_MAX:"
+	SeqUserMinSeq  = "SEQ_USER_MIN:"
+	SeqUserReadSeq = "SEQ_USER_READ:"
 )
 
-func GetMaxSeqKey(conversationID string) string {
-	return MaxSeq + conversationID
+func GetMallocSeqKey(conversationID string) string {
+	return MallocSeq + conversationID
 }
 
-func GetMinSeqKey(conversationID string) string {
-	return MinSeq + conversationID
+func GetMallocMinSeqKey(conversationID string) string {
+	return MallocMinSeqLock + conversationID
 }
 
-func GetHasReadSeqKey(conversationID string, userID string) string {
-	return HasReadSeq + userID + ":" + conversationID
+func GetSeqUserMaxSeqKey(conversationID string, userID string) string {
+	return SeqUserMaxSeq + conversationID + ":" + userID
 }
 
-func GetConversationUserMinSeqKey(conversationID, userID string) string {
-	return ConversationUserMinSeq + conversationID + "u:" + userID
+func GetSeqUserMinSeqKey(conversationID string, userID string) string {
+	return SeqUserMinSeq + conversationID + ":" + userID
+}
+
+func GetSeqUserReadSeqKey(conversationID string, userID string) string {
+	return SeqUserReadSeq + conversationID + ":" + userID
 }

pkg/common/storage/cache/cachekey/seq1.go

@@ -1,14 +0,0 @@
-package cachekey
-
-const (
-	MallocSeq        = "MALLOC_SEQ:"
-	MallocMinSeqLock = "MALLOC_MIN_SEQ:"
-)
-
-func GetMallocSeqKey(conversationID string) string {
-	return MallocSeq + conversationID
-}
-
-func GetMallocMinSeqKey(conversationID string) string {
-	return MallocMinSeqLock + conversationID
-}

pkg/common/storage/cache/redis/seq.go

@@ -1,183 +0,0 @@
-// Copyright © 2023 OpenIM. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package redis
-
-import (
-	"context"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
-	"github.com/openimsdk/tools/errs"
-	"github.com/openimsdk/tools/utils/stringutil"
-	"github.com/redis/go-redis/v9"
-)
-
-func NewSeqCache(rdb redis.UniversalClient) cache.SeqCache {
-	return &seqCache{rdb: rdb}
-}
-
-type seqCache struct {
-	rdb redis.UniversalClient
-}
-
-func (c *seqCache) getMaxSeqKey(conversationID string) string {
-	return cachekey.GetMaxSeqKey(conversationID)
-}
-
-func (c *seqCache) getMinSeqKey(conversationID string) string {
-	return cachekey.GetMinSeqKey(conversationID)
-}
-
-func (c *seqCache) getHasReadSeqKey(conversationID string, userID string) string {
-	return cachekey.GetHasReadSeqKey(conversationID, userID)
-}
-
-func (c *seqCache) getConversationUserMinSeqKey(conversationID, userID string) string {
-	return cachekey.GetConversationUserMinSeqKey(conversationID, userID)
-}
-
-func (c *seqCache) setSeq(ctx context.Context, conversationID string, seq int64, getkey func(conversationID string) string) error {
-	return errs.Wrap(c.rdb.Set(ctx, getkey(conversationID), seq, 0).Err())
-}
-
-func (c *seqCache) getSeq(ctx context.Context, conversationID string, getkey func(conversationID string) string) (int64, error) {
-	val, err := c.rdb.Get(ctx, getkey(conversationID)).Int64()
-	if err != nil {
-		return 0, errs.Wrap(err)
-	}
-	return val, nil
-}
-
-func (c *seqCache) getSeqs(ctx context.Context, items []string, getkey func(s string) string) (m map[string]int64, err error) {
-	m = make(map[string]int64, len(items))
-	for i, v := range items {
-		res, err := c.rdb.Get(ctx, getkey(v)).Result()
-		if err != nil && err != redis.Nil {
-			return nil, errs.Wrap(err)
-		}
-		val := stringutil.StringToInt64(res)
-		if val != 0 {
-			m[items[i]] = val
-		}
-	}
-
-	return m, nil
-}
-
-//func (c *seqCache) SetMaxSeq(ctx context.Context, conversationID string, maxSeq int64) error {
-//	return c.setSeq(ctx, conversationID, maxSeq, c.getMaxSeqKey)
-//}
-//
-//func (c *seqCache) GetMaxSeqs(ctx context.Context, conversationIDs []string) (m map[string]int64, err error) {
-//	return c.getSeqs(ctx, conversationIDs, c.getMaxSeqKey)
-//}
-//
-//func (c *seqCache) GetMaxSeq(ctx context.Context, conversationID string) (int64, error) {
-//	return c.getSeq(ctx, conversationID, c.getMaxSeqKey)
-//}
-//
-//func (c *seqCache) SetMinSeq(ctx context.Context, conversationID string, minSeq int64) error {
-//	return c.setSeq(ctx, conversationID, minSeq, c.getMinSeqKey)
-//}
-//
-//func (c *seqCache) setSeqs(ctx context.Context, seqs map[string]int64, getkey func(key string) string) error {
-//	for conversationID, seq := range seqs {
-//		if err := c.rdb.Set(ctx, getkey(conversationID), seq, 0).Err(); err != nil {
-//			return errs.Wrap(err)
-//		}
-//	}
-//	return nil
-//}
-//
-//
-//func (c *seqCache) GetMinSeqs(ctx context.Context, conversationIDs []string) (map[string]int64, error) {
-//	return c.getSeqs(ctx, conversationIDs, c.getMinSeqKey)
-//}
-//
-//func (c *seqCache) GetMinSeq(ctx context.Context, conversationID string) (int64, error) {
-//	return c.getSeq(ctx, conversationID, c.getMinSeqKey)
-//}
-//
-//func (c *seqCache) SetMinSeqs(ctx context.Context, seqs map[string]int64) error {
-//	return c.setSeqs(ctx, seqs, c.getMinSeqKey)
-//}
-
-func (c *seqCache) setSeqs(ctx context.Context, seqs map[string]int64, getkey func(key string) string) error {
-	for conversationID, seq := range seqs {
-		if err := c.rdb.Set(ctx, getkey(conversationID), seq, 0).Err(); err != nil {
-			return errs.Wrap(err)
-		}
-	}
-	return nil
-}
-
-func (c *seqCache) GetConversationUserMinSeq(ctx context.Context, conversationID string, userID string) (int64, error) {
-	val, err := c.rdb.Get(ctx, c.getConversationUserMinSeqKey(conversationID, userID)).Int64()
-	if err != nil {
-		return 0, errs.Wrap(err)
-	}
-	return val, nil
-}
-
-func (c *seqCache) GetConversationUserMinSeqs(ctx context.Context, conversationID string, userIDs []string) (m map[string]int64, err error) {
-	return c.getSeqs(ctx, userIDs, func(userID string) string {
-		return c.getConversationUserMinSeqKey(conversationID, userID)
-	})
-}
-
-func (c *seqCache) SetConversationUserMinSeq(ctx context.Context, conversationID string, userID string, minSeq int64) error {
-	return errs.Wrap(c.rdb.Set(ctx, c.getConversationUserMinSeqKey(conversationID, userID), minSeq, 0).Err())
-}
-
-func (c *seqCache) SetConversationUserMinSeqs(ctx context.Context, conversationID string, seqs map[string]int64) (err error) {
-	return c.setSeqs(ctx, seqs, func(userID string) string {
-		return c.getConversationUserMinSeqKey(conversationID, userID)
-	})
-}
-
-func (c *seqCache) SetUserConversationsMinSeqs(ctx context.Context, userID string, seqs map[string]int64) (err error) {
-	return c.setSeqs(ctx, seqs, func(conversationID string) string {
-		return c.getConversationUserMinSeqKey(conversationID, userID)
-	})
-}
-
-func (c *seqCache) SetHasReadSeq(ctx context.Context, userID string, conversationID string, hasReadSeq int64) error {
-	return errs.Wrap(c.rdb.Set(ctx, c.getHasReadSeqKey(conversationID, userID), hasReadSeq, 0).Err())
-}
-
-func (c *seqCache) SetHasReadSeqs(ctx context.Context, conversationID string, hasReadSeqs map[string]int64) error {
-	return c.setSeqs(ctx, hasReadSeqs, func(userID string) string {
-		return c.getHasReadSeqKey(conversationID, userID)
-	})
-}
-
-func (c *seqCache) UserSetHasReadSeqs(ctx context.Context, userID string, hasReadSeqs map[string]int64) error {
-	return c.setSeqs(ctx, hasReadSeqs, func(conversationID string) string {
-		return c.getHasReadSeqKey(conversationID, userID)
-	})
-}
-
-func (c *seqCache) GetHasReadSeqs(ctx context.Context, userID string, conversationIDs []string) (map[string]int64, error) {
-	return c.getSeqs(ctx, conversationIDs, func(conversationID string) string {
-		return c.getHasReadSeqKey(conversationID, userID)
-	})
-}
-
-func (c *seqCache) GetHasReadSeq(ctx context.Context, userID string, conversationID string) (int64, error) {
-	val, err := c.rdb.Get(ctx, c.getHasReadSeqKey(conversationID, userID)).Int64()
-	if err != nil {
-		return 0, err
-	}
-	return val, nil
-}

pkg/common/storage/cache/redis/seq_user.go

@@ -0,0 +1,89 @@
+package redis
+
+import (
+	"context"
+	"github.com/dtm-labs/rockscache"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
+	"github.com/openimsdk/tools/errs"
+	"github.com/redis/go-redis/v9"
+	"strconv"
+	"time"
+)
+
+func NewSeqUserCacheRedis(rdb redis.UniversalClient, mgo database.SeqUser) cache.SeqUser {
+	return &seqUserCacheRedis{
+		rdb:               rdb,
+		mgo:               mgo,
+		readSeqWriteRatio: 100,
+		expireTime:        time.Hour * 24 * 7,
+		readExpireTime:    time.Hour * 24 * 30,
+		rocks:             rockscache.NewClient(rdb, *GetRocksCacheOptions()),
+	}
+}
+
+type seqUserCacheRedis struct {
+	rdb               redis.UniversalClient
+	mgo               database.SeqUser
+	rocks             *rockscache.Client
+	expireTime        time.Duration
+	readExpireTime    time.Duration
+	readSeqWriteRatio int64
+}
+
+func (s *seqUserCacheRedis) getSeqUserMaxSeqKey(conversationID string, userID string) string {
+	return cachekey.GetSeqUserMaxSeqKey(conversationID, userID)
+}
+
+func (s *seqUserCacheRedis) getSeqUserMinSeqKey(conversationID string, userID string) string {
+	return cachekey.GetSeqUserMinSeqKey(conversationID, userID)
+}
+
+func (s *seqUserCacheRedis) getSeqUserReadSeqKey(conversationID string, userID string) string {
+	return cachekey.GetSeqUserReadSeqKey(conversationID, userID)
+}
+
+func (s *seqUserCacheRedis) GetMaxSeq(ctx context.Context, conversationID string, userID string) (int64, error) {
+	return getCache(ctx, s.rocks, s.getSeqUserMaxSeqKey(conversationID, userID), s.expireTime, func(ctx context.Context) (int64, error) {
+		return s.mgo.GetMaxSeq(ctx, conversationID, userID)
+	})
+}
+
+func (s *seqUserCacheRedis) SetMaxSeq(ctx context.Context, conversationID string, userID string, seq int64) error {
+	if err := s.mgo.SetMaxSeq(ctx, conversationID, userID, seq); err != nil {
+		return err
+	}
+	return s.rocks.TagAsDeleted2(ctx, s.getSeqUserMaxSeqKey(conversationID, userID))
+}
+
+func (s *seqUserCacheRedis) GetMinSeq(ctx context.Context, conversationID string, userID string) (int64, error) {
+	return getCache(ctx, s.rocks, s.getSeqUserMinSeqKey(conversationID, userID), s.expireTime, func(ctx context.Context) (int64, error) {
+		return s.mgo.GetMaxSeq(ctx, conversationID, userID)
+	})
+}
+
+func (s *seqUserCacheRedis) SetMinSeq(ctx context.Context, conversationID string, userID string, seq int64) error {
+	if err := s.mgo.SetMinSeq(ctx, conversationID, userID, seq); err != nil {
+		return err
+	}
+	return s.rocks.TagAsDeleted2(ctx, s.getSeqUserMinSeqKey(conversationID, userID))
+}
+
+func (s *seqUserCacheRedis) GetReadSeq(ctx context.Context, conversationID string, userID string) (int64, error) {
+	return getCache(ctx, s.rocks, s.getSeqUserReadSeqKey(conversationID, userID), s.readExpireTime, func(ctx context.Context) (int64, error) {
+		return s.mgo.GetMaxSeq(ctx, conversationID, userID)
+	})
+}
+
+func (s *seqUserCacheRedis) SetReadSeq(ctx context.Context, conversationID string, userID string, seq int64) error {
+	if seq%s.readSeqWriteRatio == 0 {
+		if err := s.mgo.SetReadSeq(ctx, conversationID, userID, seq); err != nil {
+			return err
+		}
+	}
+	if err := s.rocks.RawSet(ctx, s.getSeqUserReadSeqKey(conversationID, userID), strconv.Itoa(int(seq)), s.readExpireTime); err != nil {
+		return errs.Wrap(err)
+	}
+	return nil
+}

pkg/common/storage/cache/seq.go

@@ -1,30 +0,0 @@
-package cache
-
-import (
-	"context"
-)
-
-type SeqCache interface {
-	//SetMaxSeq(ctx context.Context, conversationID string, maxSeq int64) error
-	//GetMaxSeqs(ctx context.Context, conversationIDs []string) (map[string]int64, error)
-	//GetMaxSeq(ctx context.Context, conversationID string) (int64, error)
-	//SetMinSeq(ctx context.Context, conversationID string, minSeq int64) error
-	//SetMinSeqs(ctx context.Context, seqs map[string]int64) error
-	//GetMinSeqs(ctx context.Context, conversationIDs []string) (map[string]int64, error)
-	//GetMinSeq(ctx context.Context, conversationID string) (int64, error)
-	GetConversationUserMinSeq(ctx context.Context, conversationID string, userID string) (int64, error)
-	GetConversationUserMinSeqs(ctx context.Context, conversationID string, userIDs []string) (map[string]int64, error)
-	SetConversationUserMinSeq(ctx context.Context, conversationID string, userID string, minSeq int64) error
-	// seqs map: key userID value minSeq
-	SetConversationUserMinSeqs(ctx context.Context, conversationID string, seqs map[string]int64) (err error)
-	// seqs map: key conversationID value minSeq
-	SetUserConversationsMinSeqs(ctx context.Context, userID string, seqs map[string]int64) error
-	// has read seq
-	SetHasReadSeq(ctx context.Context, userID string, conversationID string, hasReadSeq int64) error
-	// k: user, v: seq
-	SetHasReadSeqs(ctx context.Context, conversationID string, hasReadSeqs map[string]int64) error
-	// k: conversation, v :seq
-	UserSetHasReadSeqs(ctx context.Context, userID string, hasReadSeqs map[string]int64) error
-	GetHasReadSeqs(ctx context.Context, userID string, conversationIDs []string) (map[string]int64, error)
-	GetHasReadSeq(ctx context.Context, userID string, conversationID string) (int64, error)
-}

pkg/common/storage/cache/seq_user.go

@@ -0,0 +1,12 @@
+package cache
+
+import "context"
+
+type SeqUser interface {
+	GetMaxSeq(ctx context.Context, conversationID string, userID string) (int64, error)
+	SetMaxSeq(ctx context.Context, conversationID string, userID string, seq int64) error
+	GetMinSeq(ctx context.Context, conversationID string, userID string) (int64, error)
+	SetMinSeq(ctx context.Context, conversationID string, userID string, seq int64) error
+	GetReadSeq(ctx context.Context, conversationID string, userID string) (int64, error)
+	SetReadSeq(ctx context.Context, conversationID string, userID string, seq int64) error
+}

pkg/common/storage/controller/msg.go

@@ -108,7 +108,7 @@ type CommonMsgDatabase interface {
 	DeleteDocMsgBefore(ctx context.Context, ts int64, doc *model.MsgDocModel) ([]int, error)
 }
 
-func NewCommonMsgDatabase(msgDocModel database.Msg, msg cache.MsgCache, seq cache.SeqCache, seqConversation cache.SeqConversationCache, kafkaConf *config.Kafka) (CommonMsgDatabase, error) {
+func NewCommonMsgDatabase(msgDocModel database.Msg, msg cache.MsgCache, seqUser cache.SeqUser, seqConversation cache.SeqConversationCache, kafkaConf *config.Kafka) (CommonMsgDatabase, error) {
 	conf, err := kafka.BuildProducerConfig(*kafkaConf.Build())
 	if err != nil {
 		return nil, err
@@ -128,7 +128,7 @@ func NewCommonMsgDatabase(msgDocModel database.Msg, msg cache.MsgCache, seq cach
 	return &commonMsgDatabase{
 		msgDocDatabase:  msgDocModel,
 		msg:             msg,
-		seq:             seq,
+		seqUser:         seqUser,
 		seqConversation: seqConversation,
 		producer:        producerToRedis,
 		producerToMongo: producerToMongo,
@@ -140,8 +140,8 @@ type commonMsgDatabase struct {
 	msgDocDatabase  database.Msg
 	msgTable        model.MsgDocModel
 	msg             cache.MsgCache
-	seq             cache.SeqCache
 	seqConversation cache.SeqConversationCache
+	seqUser         cache.SeqUser
 	producer        *kafka.Producer
 	producerToMongo *kafka.Producer
 	producerToPush  *kafka.Producer
@@ -339,6 +339,15 @@ func (db *commonMsgDatabase) DeleteMessagesFromCache(ctx context.Context, conver
 	return db.msg.DeleteMessagesFromCache(ctx, conversationID, seqs)
 }
 
+func (db *commonMsgDatabase) setHasReadSeqs(ctx context.Context, conversationID string, userSeqMap map[string]int64) error {
+	for userID, seq := range userSeqMap {
+		if err := db.seqUser.SetReadSeq(ctx, conversationID, userID, seq); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 func (db *commonMsgDatabase) BatchInsertChat2Cache(ctx context.Context, conversationID string, msgs []*sdkws.MsgData) (seq int64, isNew bool, err error) {
 	lenList := len(msgs)
 	if int64(lenList) > db.msgTable.GetSingleGocMsgNum() {
@@ -368,7 +377,7 @@ func (db *commonMsgDatabase) BatchInsertChat2Cache(ctx context.Context, conversa
 	} else {
 		prommetrics.MsgInsertRedisSuccessCounter.Inc()
 	}
-	err = db.seq.SetHasReadSeqs(ctx, conversationID, userSeqMap)
+	err = db.setHasReadSeqs(ctx, conversationID, userSeqMap)
 	if err != nil {
 		log.ZError(ctx, "SetHasReadSeqs error", err, "userSeqMap", userSeqMap, "conversationID", conversationID)
 		prommetrics.SeqSetFailedCounter.Inc()
@@ -496,7 +505,7 @@ func (db *commonMsgDatabase) getMsgBySeqsRange(ctx context.Context, userID strin
 // "userMinSeq" can be set as the same value as the conversation's "maxSeq" at the moment they join the group.
 // This ensures that their message retrieval starts from the point they joined.
 func (db *commonMsgDatabase) GetMsgBySeqsRange(ctx context.Context, userID string, conversationID string, begin, end, num, userMaxSeq int64) (int64, int64, []*sdkws.MsgData, error) {
-	userMinSeq, err := db.seq.GetConversationUserMinSeq(ctx, conversationID, userID)
+	userMinSeq, err := db.seqUser.GetMinSeq(ctx, conversationID, userID)
 	if err != nil && errs.Unwrap(err) != redis.Nil {
 		return 0, 0, nil, err
 	}
@@ -574,7 +583,7 @@ func (db *commonMsgDatabase) GetMsgBySeqsRange(ctx context.Context, userID strin
 }
 
 func (db *commonMsgDatabase) GetMsgBySeqs(ctx context.Context, userID string, conversationID string, seqs []int64) (int64, int64, []*sdkws.MsgData, error) {
-	userMinSeq, err := db.seq.GetConversationUserMinSeq(ctx, conversationID, userID)
+	userMinSeq, err := db.seqUser.GetMinSeq(ctx, conversationID, userID)
 	if err != nil && errs.Unwrap(err) != redis.Nil {
 		return 0, 0, nil, err
 	}
@@ -672,12 +681,12 @@ func (db *commonMsgDatabase) UserMsgsDestruct(ctx context.Context, userID string
 	log.ZDebug(ctx, "UserMsgsDestruct", "conversationID", conversationID, "userID", userID, "seqs", seqs)
 	if len(seqs) > 0 {
 		userMinSeq := seqs[len(seqs)-1] + 1
-		currentUserMinSeq, err := db.seq.GetConversationUserMinSeq(ctx, conversationID, userID)
-		if err != nil && errs.Unwrap(err) != redis.Nil {
+		currentUserMinSeq, err := db.seqUser.GetMinSeq(ctx, conversationID, userID)
+		if err != nil {
 			return nil, err
 		}
 		if currentUserMinSeq < userMinSeq {
-			if err := db.seq.SetConversationUserMinSeq(ctx, conversationID, userID, userMinSeq); err != nil {
+			if err := db.seqUser.SetMinSeq(ctx, conversationID, userID, userMinSeq); err != nil {
 				return nil, err
 			}
 		}
@@ -832,40 +841,45 @@ func (db *commonMsgDatabase) SetMinSeqs(ctx context.Context, seqs map[string]int
 	return nil
 }
 
-func (db *commonMsgDatabase) GetConversationUserMinSeq(ctx context.Context, conversationID string, userID string) (int64, error) {
-	return db.seq.GetConversationUserMinSeq(ctx, conversationID, userID)
-}
-
-func (db *commonMsgDatabase) GetConversationUserMinSeqs(ctx context.Context, conversationID string, userIDs []string) (map[string]int64, error) {
-	return db.seq.GetConversationUserMinSeqs(ctx, conversationID, userIDs)
-}
-
-func (db *commonMsgDatabase) SetConversationUserMinSeq(ctx context.Context, conversationID string, userID string, minSeq int64) error {
-	return db.seq.SetConversationUserMinSeq(ctx, conversationID, userID, minSeq)
-}
-
-func (db *commonMsgDatabase) SetConversationUserMinSeqs(ctx context.Context, conversationID string, seqs map[string]int64) (err error) {
-	return db.seq.SetConversationUserMinSeqs(ctx, conversationID, seqs)
-}
-
 func (db *commonMsgDatabase) SetUserConversationsMinSeqs(ctx context.Context, userID string, seqs map[string]int64) error {
-	return db.seq.SetUserConversationsMinSeqs(ctx, userID, seqs)
+	for conversationID, seq := range seqs {
+		if err := db.seqUser.SetMinSeq(ctx, conversationID, userID, seq); err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
 func (db *commonMsgDatabase) UserSetHasReadSeqs(ctx context.Context, userID string, hasReadSeqs map[string]int64) error {
-	return db.seq.UserSetHasReadSeqs(ctx, userID, hasReadSeqs)
+	for conversationID, seq := range hasReadSeqs {
+		if err := db.seqUser.SetReadSeq(ctx, conversationID, userID, seq); err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
 func (db *commonMsgDatabase) SetHasReadSeq(ctx context.Context, userID string, conversationID string, hasReadSeq int64) error {
-	return db.seq.SetHasReadSeq(ctx, userID, conversationID, hasReadSeq)
+	return db.seqUser.SetReadSeq(ctx, conversationID, userID, hasReadSeq)
 }
 
 func (db *commonMsgDatabase) GetHasReadSeqs(ctx context.Context, userID string, conversationIDs []string) (map[string]int64, error) {
-	return db.seq.GetHasReadSeqs(ctx, userID, conversationIDs)
+	cSeq := make(map[string]int64)
+	for _, conversationID := range conversationIDs {
+		if _, ok := cSeq[conversationID]; ok {
+			continue
+		}
+		seq, err := db.seqUser.GetReadSeq(ctx, conversationID, userID)
+		if err != nil {
+			return nil, err
+		}
+		cSeq[conversationID] = seq
+	}
+	return cSeq, nil
 }
 
 func (db *commonMsgDatabase) GetHasReadSeq(ctx context.Context, userID string, conversationID string) (int64, error) {
-	return db.seq.GetHasReadSeq(ctx, userID, conversationID)
+	return db.seqUser.GetReadSeq(ctx, conversationID, userID)
 }
 
 func (db *commonMsgDatabase) SetSendMsgStatus(ctx context.Context, id string, status int32) error {

pkg/common/storage/database/mgo/seq_conversation.go

@@ -28,6 +28,26 @@ type seqConversationMongo struct {
 	coll *mongo.Collection
 }
 
+func (s *seqConversationMongo) setSeq(ctx context.Context, conversationID string, seq int64, field string) error {
+	filter := map[string]any{
+		"conversation_id": conversationID,
+	}
+	insert := bson.M{
+		"conversation_id": conversationID,
+		"min_seq":         0,
+		"max_seq":         0,
+	}
+	delete(insert, field)
+	update := map[string]any{
+		"$set": bson.M{
+			field: seq,
+		},
+		"$setOnInsert": insert,
+	}
+	opt := options.Update().SetUpsert(true)
+	return mongoutil.UpdateOne(ctx, s.coll, filter, update, false, opt)
+}
+
 func (s *seqConversationMongo) Malloc(ctx context.Context, conversationID string, size int64) (int64, error) {
 	if size < 0 {
 		return 0, errors.New("size must be greater than 0")
@@ -48,16 +68,8 @@ func (s *seqConversationMongo) Malloc(ctx context.Context, conversationID string
 	return lastSeq - size, nil
 }
 
-func (s *seqConversationMongo) MallocSeq(ctx context.Context, conversationID string, size int64) ([]int64, error) {
-	first, err := s.Malloc(ctx, conversationID, size)
-	if err != nil {
-		return nil, err
-	}
-	seqs := make([]int64, 0, size)
-	for i := int64(0); i < size; i++ {
-		seqs = append(seqs, first+i+1)
-	}
-	return seqs, nil
+func (s *seqConversationMongo) SetMaxSeq(ctx context.Context, conversationID string, seq int64) error {
+	return s.setSeq(ctx, conversationID, seq, "max_seq")
 }
 
 func (s *seqConversationMongo) GetMaxSeq(ctx context.Context, conversationID string) (int64, error) {
@@ -83,7 +95,7 @@ func (s *seqConversationMongo) GetMinSeq(ctx context.Context, conversationID str
 }
 
 func (s *seqConversationMongo) SetMinSeq(ctx context.Context, conversationID string, seq int64) error {
-	return mongoutil.UpdateOne(ctx, s.coll, bson.M{"conversation_id": conversationID}, bson.M{"$set": bson.M{"min_seq": seq}}, false)
+	return s.setSeq(ctx, conversationID, seq, "min_seq")
 }
 
 func (s *seqConversationMongo) GetConversation(ctx context.Context, conversationID string) (*model.SeqConversation, error) {

pkg/common/storage/database/mgo/seq_conversation_test.go

@@ -15,19 +15,23 @@ func Result[V any](val V, err error) V {
 	return val
 }
 
-func TestName(t *testing.T) {
-	cli := Result(mongo.Connect(context.Background(), options.Client().ApplyURI("mongodb://openIM:openIM123@172.16.8.48:37017/openim_v3?maxPoolSize=100").SetConnectTimeout(5*time.Second)))
-	tmp, err := NewSeqConversationMongo(cli.Database("openim_v3"))
-	if err != nil {
-		panic(err)
-	}
-	for i := 0; i < 10; i++ {
-		var size int64 = 100
-		firstSeq, err := tmp.Malloc(context.Background(), "1", size)
-		if err != nil {
-			t.Log(err)
-			return
-		}
-		t.Logf("%d -> %d", firstSeq, firstSeq+size-1)
-	}
+func Mongodb() *mongo.Database {
+	return Result(
+		mongo.Connect(context.Background(),
+			options.Client().
+				ApplyURI("mongodb://openIM:openIM123@172.16.8.48:37017/openim_v3?maxPoolSize=100").
+				SetConnectTimeout(5*time.Second)),
+	).Database("openim_v3")
+}
+
+func TestUserSeq(t *testing.T) {
+	uSeq := Result(NewSeqUserMongo(Mongodb())).(*seqUserMongo)
+	t.Log(uSeq.SetMinSeq(context.Background(), "1000", "2000", 4))
+}
+
+func TestConversationSeq(t *testing.T) {
+	cSeq := Result(NewSeqConversationMongo(Mongodb())).(*seqConversationMongo)
+	t.Log(cSeq.SetMaxSeq(context.Background(), "2000", 10))
+	t.Log(cSeq.Malloc(context.Background(), "2000", 10))
+	t.Log(cSeq.GetMaxSeq(context.Background(), "2000"))
 }

pkg/common/storage/database/mgo/seq_user.go

@@ -2,6 +2,7 @@ package mgo
 
 import (
 	"context"
+	"errors"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
 	"github.com/openimsdk/tools/db/mongoutil"
 	"go.mongodb.org/mongo-driver/bson"
@@ -10,7 +11,7 @@ import (
 )
 
 func NewSeqUserMongo(db *mongo.Database) (database.SeqUser, error) {
-	coll := db.Collection(database.SeqConversationName)
+	coll := db.Collection(database.SeqUserName)
 	_, err := coll.Indexes().CreateOne(context.Background(), mongo.IndexModel{
 		Keys: bson.D{
 			{Key: "user_id", Value: 1},
@@ -27,45 +28,65 @@ type seqUserMongo struct {
 	coll *mongo.Collection
 }
 
-func (s *seqUserMongo) setSeq(ctx context.Context, userID string, conversationID string, seq int64, field string) error {
+func (s *seqUserMongo) setSeq(ctx context.Context, conversationID string, userID string, seq int64, field string) error {
 	filter := map[string]any{
 		"user_id":         userID,
 		"conversation_id": conversationID,
 	}
+	insert := bson.M{
+		"user_id":         userID,
+		"conversation_id": conversationID,
+		"min_seq":         0,
+		"max_seq":         0,
+		"read_seq":        0,
+	}
+	delete(insert, field)
 	update := map[string]any{
-		"$set": map[string]any{"field": int64(0)},
+		"$set": bson.M{
+			field: seq,
+		},
+		"$setOnInsert": insert,
 	}
 	opt := options.Update().SetUpsert(true)
 	return mongoutil.UpdateOne(ctx, s.coll, filter, update, false, opt)
 }
 
-func (s *seqUserMongo) GetMaxSeq(ctx context.Context, userID string, conversationID string) (int64, error) {
-
-	//TODO implement me
-	panic("implement me")
+func (s *seqUserMongo) getSeq(ctx context.Context, conversationID string, userID string, failed string) (int64, error) {
+	filter := map[string]any{
+		"user_id":         userID,
+		"conversation_id": conversationID,
+	}
+	opt := options.FindOne().SetProjection(bson.M{"_id": 0, failed: 1})
+	seq, err := mongoutil.FindOne[int64](ctx, s.coll, filter, opt)
+	if err == nil {
+		return seq, nil
+	} else if errors.Is(err, mongo.ErrNoDocuments) {
+		return 0, nil
+	} else {
+		return 0, err
+	}
 }
 
-func (s *seqUserMongo) SetMaxSeq(ctx context.Context, userID string, conversationID string, seq int64) error {
-	//TODO implement me
-	panic("implement me")
+func (s *seqUserMongo) GetMaxSeq(ctx context.Context, conversationID string, userID string) (int64, error) {
+	return s.getSeq(ctx, conversationID, userID, "max_seq")
 }
 
-func (s *seqUserMongo) GetMinSeq(ctx context.Context, userID string, conversationID string) (int64, error) {
-	//TODO implement me
-	panic("implement me")
+func (s *seqUserMongo) SetMaxSeq(ctx context.Context, conversationID string, userID string, seq int64) error {
+	return s.setSeq(ctx, conversationID, userID, seq, "max_seq")
 }
 
-func (s *seqUserMongo) SetMinSeq(ctx context.Context, userID string, conversationID string, seq int64) error {
-	//TODO implement me
-	panic("implement me")
+func (s *seqUserMongo) GetMinSeq(ctx context.Context, conversationID string, userID string) (int64, error) {
+	return s.getSeq(ctx, conversationID, userID, "min_seq")
 }
 
-func (s *seqUserMongo) GetReadSeq(ctx context.Context, userID string, conversationID string) (int64, error) {
-	//TODO implement me
-	panic("implement me")
+func (s *seqUserMongo) SetMinSeq(ctx context.Context, conversationID string, userID string, seq int64) error {
+	return s.setSeq(ctx, conversationID, userID, seq, "min_seq")
 }
 
-func (s *seqUserMongo) SetReadSeq(ctx context.Context, userID string, conversationID string, seq int64) error {
-	//TODO implement me
-	panic("implement me")
+func (s *seqUserMongo) GetReadSeq(ctx context.Context, conversationID string, userID string) (int64, error) {
+	return s.getSeq(ctx, conversationID, userID, "read_seq")
+}
+
+func (s *seqUserMongo) SetReadSeq(ctx context.Context, conversationID string, userID string, seq int64) error {
+	return s.setSeq(ctx, conversationID, userID, seq, "read_seq")
 }

pkg/common/storage/database/seq.go

@@ -5,6 +5,7 @@ import "context"
 type SeqConversation interface {
 	Malloc(ctx context.Context, conversationID string, size int64) (int64, error)
 	GetMaxSeq(ctx context.Context, conversationID string) (int64, error)
+	SetMaxSeq(ctx context.Context, conversationID string, seq int64) error
 	GetMinSeq(ctx context.Context, conversationID string) (int64, error)
 	SetMinSeq(ctx context.Context, conversationID string, seq int64) error
 }

pkg/common/storage/database/seq_user.go

@@ -3,10 +3,10 @@ package database
 import "context"
 
 type SeqUser interface {
-	GetMaxSeq(ctx context.Context, userID string, conversationID string) (int64, error)
-	SetMaxSeq(ctx context.Context, userID string, conversationID string, seq int64) error
-	GetMinSeq(ctx context.Context, userID string, conversationID string) (int64, error)
-	SetMinSeq(ctx context.Context, userID string, conversationID string, seq int64) error
-	GetReadSeq(ctx context.Context, userID string, conversationID string) (int64, error)
-	SetReadSeq(ctx context.Context, userID string, conversationID string, seq int64) error
+	GetMaxSeq(ctx context.Context, conversationID string, userID string) (int64, error)
+	SetMaxSeq(ctx context.Context, conversationID string, userID string, seq int64) error
+	GetMinSeq(ctx context.Context, conversationID string, userID string) (int64, error)
+	SetMinSeq(ctx context.Context, conversationID string, userID string, seq int64) error
+	GetReadSeq(ctx context.Context, conversationID string, userID string) (int64, error)
+	SetReadSeq(ctx context.Context, conversationID string, userID string, seq int64) error
 }

tools/seq/internal/main.go

@@ -1,30 +1,38 @@
 package internal
 
 import (
+	"bytes"
 	"context"
 	"errors"
 	"fmt"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/cmd"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database/mgo"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
 	"github.com/openimsdk/tools/db/mongoutil"
 	"github.com/openimsdk/tools/db/redisutil"
-	"github.com/openimsdk/tools/utils/datautil"
 	"github.com/redis/go-redis/v9"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
 	"gopkg.in/yaml.v3"
 	"os"
+	"os/signal"
 	"path/filepath"
 	"strconv"
 	"strings"
+	"sync"
+	"sync/atomic"
+	"syscall"
 	"time"
 )
 
+const (
+	MaxSeq                 = "MAX_SEQ:"
+	MinSeq                 = "MIN_SEQ:"
+	ConversationUserMinSeq = "CON_USER_MIN_SEQ:"
+	HasReadSeq             = "HAS_READ_SEQ:"
+)
+
 const (
 	batchSize             = 100
 	dataVersionCollection = "data_version"
@@ -44,48 +52,6 @@ func readConfig[T any](dir string, name string) (*T, error) {
 	return &conf, nil
 }
 
-func redisKey(rdb redis.UniversalClient, prefix string, del time.Duration, fn func(ctx context.Context, key string, delKey map[string]struct{}) error) error {
-	var (
-		cursor uint64
-		keys   []string
-		err    error
-	)
-	ctx := context.Background()
-	for {
-		keys, cursor, err = rdb.Scan(ctx, cursor, prefix+"*", batchSize).Result()
-		if err != nil {
-			return err
-		}
-		delKey := make(map[string]struct{})
-		if len(keys) > 0 {
-			for _, key := range keys {
-				if err := fn(ctx, key, delKey); err != nil {
-					return err
-				}
-			}
-		}
-		if len(delKey) > 0 {
-			delKeys := datautil.Keys(delKey)
-			if del < time.Second {
-				if err := rdb.Del(ctx, datautil.Keys(delKey)...).Err(); err != nil {
-					return err
-				}
-			} else {
-				pipe := rdb.Pipeline()
-				for _, key := range delKeys {
-					pipe.Expire(ctx, key, del)
-				}
-				if _, err := pipe.Exec(ctx); err != nil {
-					return err
-				}
-			}
-		}
-		if cursor == 0 {
-			return nil
-		}
-	}
-}
-
 func Main(conf string, del time.Duration) error {
 	redisConfig, err := readConfig[config.Redis](conf, cmd.RedisConfigFileName)
 	if err != nil {
@@ -117,71 +83,218 @@ func Main(conf string, del time.Duration) error {
 	if _, err := mgo.NewSeqConversationMongo(mgocli.GetDB()); err != nil {
 		return err
 	}
-	coll := mgocli.GetDB().Collection(database.SeqConversationName)
-	const prefix = cachekey.MaxSeq
-	fmt.Println("start to convert seq conversation")
-	err = redisKey(rdb, prefix, del, func(ctx context.Context, key string, delKey map[string]struct{}) error {
-		conversationId := strings.TrimPrefix(key, prefix)
-		delKey[key] = struct{}{}
-		maxValue, err := rdb.Get(ctx, key).Result()
-		if err != nil {
-			return err
-		}
-		seq, err := strconv.Atoi(maxValue)
-		if err != nil {
-			return fmt.Errorf("invalid max seq %s", maxValue)
-		}
-		if seq == 0 {
-			return nil
-		}
-		if seq < 0 {
-			return fmt.Errorf("invalid max seq %s", maxValue)
-		}
-		var (
-			minSeq int64
-			maxSeq = int64(seq)
-		)
-		minKey := cachekey.MinSeq + conversationId
-		delKey[minKey] = struct{}{}
-		minValue, err := rdb.Get(ctx, minKey).Result()
-		if err == nil {
-			seq, err := strconv.Atoi(minValue)
-			if err != nil {
-				return fmt.Errorf("invalid min seq %s", minValue)
-			}
-			if seq < 0 {
-				return fmt.Errorf("invalid min seq %s", minValue)
-			}
-			minSeq = int64(seq)
-		} else if !errors.Is(err, redis.Nil) {
-			return err
-		}
-		if maxSeq < minSeq {
-			return fmt.Errorf("invalid max seq %d < min seq %d", maxSeq, minSeq)
-		}
-		res, err := mongoutil.FindOne[*model.SeqConversation](ctx, coll, bson.M{"conversation_id": conversationId}, nil)
-		if err == nil {
-			if res.MaxSeq < int64(seq) {
-				_, err = coll.UpdateOne(ctx, bson.M{"conversation_id": conversationId}, bson.M{"$set": bson.M{"max_seq": maxSeq, "min_seq": minSeq}})
-			}
-			return err
-		} else if errors.Is(err, mongo.ErrNoDocuments) {
-			res = &model.SeqConversation{
-				ConversationID: conversationId,
-				MaxSeq:         maxSeq,
-				MinSeq:         minSeq,
-			}
-			_, err := coll.InsertOne(ctx, res)
-			return err
-		} else {
-			return err
-		}
-	})
+	cSeq, err := mgo.NewSeqConversationMongo(mgocli.GetDB())
 	if err != nil {
 		return err
 	}
-	fmt.Println("convert seq conversation success")
-	return SetVersion(versionColl, seqKey, seqVersion)
+	uSeq, err := mgo.NewSeqUserMongo(mgocli.GetDB())
+	if err != nil {
+		return err
+	}
+	uSpitHasReadSeq := func(id string) (conversationID string, userID string, err error) {
+		// HasReadSeq + userID + ":" + conversationID
+		arr := strings.Split(id, ":")
+		if len(arr) != 2 || arr[0] == "" || arr[1] == "" {
+			return "", "", fmt.Errorf("invalid has read seq id %s", id)
+		}
+		userID = arr[0]
+		conversationID = arr[1]
+		return
+	}
+	uSpitConversationUserMinSeq := func(id string) (conversationID string, userID string, err error) {
+		// ConversationUserMinSeq + conversationID + "u:" + userID
+		arr := strings.Split(id, "u:")
+		if len(arr) != 2 || arr[0] == "" || arr[1] == "" {
+			return "", "", fmt.Errorf("invalid has read seq id %s", id)
+		}
+		conversationID = arr[0]
+		userID = arr[1]
+		return
+	}
+
+	ts := []*taskSeq{
+		{
+			Prefix: MaxSeq,
+			GetSeq: cSeq.GetMaxSeq,
+			SetSeq: cSeq.SetMinSeq,
+		},
+		{
+			Prefix: MinSeq,
+			GetSeq: cSeq.GetMinSeq,
+			SetSeq: cSeq.SetMinSeq,
+		},
+		{
+			Prefix: HasReadSeq,
+			GetSeq: func(ctx context.Context, id string) (int64, error) {
+				conversationID, userID, err := uSpitHasReadSeq(id)
+				if err != nil {
+					return 0, err
+				}
+				return uSeq.GetReadSeq(ctx, conversationID, userID)
+			},
+			SetSeq: func(ctx context.Context, id string, seq int64) error {
+				conversationID, userID, err := uSpitHasReadSeq(id)
+				if err != nil {
+					return err
+				}
+				return uSeq.SetReadSeq(ctx, conversationID, userID, seq)
+			},
+		},
+		{
+			Prefix: ConversationUserMinSeq,
+			GetSeq: func(ctx context.Context, id string) (int64, error) {
+				conversationID, userID, err := uSpitConversationUserMinSeq(id)
+				if err != nil {
+					return 0, err
+				}
+				return uSeq.GetMinSeq(ctx, conversationID, userID)
+			},
+			SetSeq: func(ctx context.Context, id string, seq int64) error {
+				conversationID, userID, err := uSpitConversationUserMinSeq(id)
+				if err != nil {
+					return err
+				}
+				return uSeq.SetMinSeq(ctx, conversationID, userID, seq)
+			},
+		},
+	}
+
+	cancel()
+	ctx = context.Background()
+
+	var wg sync.WaitGroup
+	wg.Add(len(ts))
+
+	for i := range ts {
+		go func(task *taskSeq) {
+			defer wg.Done()
+			err := seqRedisToMongo(ctx, rdb, task.GetSeq, task.SetSeq, task.Prefix, del, &task.Count)
+			task.End = time.Now()
+			task.Error = err
+		}(ts[i])
+	}
+	start := time.Now()
+	done := make(chan struct{})
+	go func() {
+		wg.Wait()
+		close(done)
+	}()
+
+	sigs := make(chan os.Signal, 1)
+	signal.Notify(sigs, syscall.SIGTERM)
+
+	ticker := time.NewTicker(time.Second)
+	defer ticker.Stop()
+	var buf bytes.Buffer
+
+	printTaskInfo := func(now time.Time) {
+		buf.Reset()
+		buf.WriteString(now.Format(time.DateTime))
+		buf.WriteString(" \n")
+		for i := range ts {
+			task := ts[i]
+			if task.Error == nil {
+				if task.End.IsZero() {
+					buf.WriteString(fmt.Sprintf("[%s] converting %s* count %d", now.Sub(start), task.Prefix, atomic.LoadInt64(&task.Count)))
+				} else {
+					buf.WriteString(fmt.Sprintf("[%s] success %s* count %d", task.End.Sub(start), task.Prefix, atomic.LoadInt64(&task.Count)))
+				}
+			} else {
+				buf.WriteString(fmt.Sprintf("[%s] failed %s* count %d error %s", task.End.Sub(start), task.Prefix, atomic.LoadInt64(&task.Count), task.Error))
+			}
+			buf.WriteString("\n")
+		}
+		fmt.Println(buf.String())
+	}
+
+	for {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case s := <-sigs:
+			return fmt.Errorf("exit by signal %s", s)
+		case <-done:
+			errs := make([]error, 0, len(ts))
+			for i := range ts {
+				task := ts[i]
+				if task.Error != nil {
+					errs = append(errs, fmt.Errorf("seq %s failed %w", task.Prefix, task.Error))
+				}
+			}
+			if len(errs) > 0 {
+				return errors.Join(errs...)
+			}
+			printTaskInfo(time.Now())
+			if err := SetVersion(versionColl, seqKey, seqVersion); err != nil {
+				return fmt.Errorf("set mongodb seq version %w", err)
+			}
+			return nil
+		case now := <-ticker.C:
+			printTaskInfo(now)
+		}
+	}
+}
+
+type taskSeq struct {
+	Prefix string
+	Count  int64
+	Error  error
+	End    time.Time
+	GetSeq func(ctx context.Context, id string) (int64, error)
+	SetSeq func(ctx context.Context, id string, seq int64) error
+}
+
+func seqRedisToMongo(ctx context.Context, rdb redis.UniversalClient, getSeq func(ctx context.Context, id string) (int64, error), setSeq func(ctx context.Context, id string, seq int64) error, prefix string, delAfter time.Duration, count *int64) error {
+	var (
+		cursor uint64
+		keys   []string
+		err    error
+	)
+	for {
+		keys, cursor, err = rdb.Scan(ctx, cursor, prefix+"*", batchSize).Result()
+		if err != nil {
+			return err
+		}
+		if len(keys) > 0 {
+			for _, key := range keys {
+				seqStr, err := rdb.Get(ctx, key).Result()
+				if err != nil {
+					return fmt.Errorf("redis get %s failed %w", key, err)
+				}
+				seq, err := strconv.Atoi(seqStr)
+				if err != nil {
+					return fmt.Errorf("invalid %s seq %s", key, seqStr)
+				}
+				if seq < 0 {
+					return fmt.Errorf("invalid %s seq %s", key, seqStr)
+				}
+				id := strings.TrimPrefix(key, prefix)
+				redisSeq := int64(seq)
+				mongoSeq, err := getSeq(ctx, id)
+				if err != nil {
+					return fmt.Errorf("get mongo seq %s failed %w", key, err)
+				}
+				if mongoSeq < redisSeq {
+					if err := setSeq(ctx, id, redisSeq); err != nil {
+						return fmt.Errorf("set mongo seq %s failed %w", key, err)
+					}
+				}
+				if delAfter > 0 {
+					if err := rdb.Expire(ctx, key, delAfter).Err(); err != nil {
+						return fmt.Errorf("redis expire key %s failed %w", key, err)
+					}
+				} else {
+					if err := rdb.Del(ctx, key).Err(); err != nil {
+						return fmt.Errorf("redis del key %s failed %w", key, err)
+					}
+				}
+				atomic.AddInt64(count, 1)
+			}
+		}
+		if cursor == 0 {
+			return nil
+		}
+	}
 }
 
 func CheckVersion(coll *mongo.Collection, key string, currentVersion int) (converted bool, err error) {

tools/seq/main.go

@@ -12,10 +12,11 @@ func main() {
 		config string
 		second int
 	)
-	flag.StringVar(&config, "c", "", "config directory")
+	flag.StringVar(&config, "c", "/Users/chao/Desktop/project/open-im-server/config", "config directory")
 	flag.IntVar(&second, "sec", 3600*24, "delayed deletion of the original seq key after conversion")
 	flag.Parse()
 	if err := internal.Main(config, time.Duration(second)*time.Second); err != nil {
 		fmt.Println("seq task", err)
 	}
+	fmt.Println("seq task success!")
 }