fix:get max seqs

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

@@ -22,6 +22,7 @@ import (
 	"github.com/openimsdk/tools/errs"
 	"github.com/openimsdk/tools/utils/stringutil"
 	"github.com/redis/go-redis/v9"
+	"sync"
 )
 
 func NewSeqCache(rdb redis.UniversalClient) cache.SeqCache {
@@ -62,27 +63,38 @@ func (c *seqCache) getSeq(ctx context.Context, conversationID string, getkey fun
 
 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))
+	var lock sync.Mutex
+
 	keys := make([]string, len(items))
 	for i, v := range items {
 		keys[i] = getkey(v)
 	}
 
-	res, err := c.rdb.MGet(ctx, keys...).Result()
-	if err != nil && !errors.Is(err, redis.Nil) {
-		return nil, errs.Wrap(err)
+	manager := NewRedisShardManager(c.rdb)
+	if err = manager.ProcessKeysBySlot(ctx, keys, func(ctx context.Context, _ int64, keys []string) error {
+		res, err := c.rdb.MGet(ctx, keys...).Result()
+		if err != nil && !errors.Is(err, redis.Nil) {
+			return errs.Wrap(err)
+		}
+
+		// len(res) <= len(items)
+		for i := range res {
+			strRes, ok := res[i].(string)
+			if !ok {
+				continue
+			}
+			val := stringutil.StringToInt64(strRes)
+			if val != 0 {
+				lock.Lock()
+				m[items[i]] = val
+				lock.Unlock()
+			}
+		}
+		return nil
+	}); err != nil {
+		return nil, err
 	}
 
-	// len(res) == len(items)
-	for i := range res {
-		strRes, ok := res[i].(string)
-		if !ok {
-			continue
-		}
-		val := stringutil.StringToInt64(strRes)
-		if val != 0 {
-			m[items[i]] = val
-		}
-	}
 	return m, nil
 }