Revert "Merge branch 'master' into sub"

This reverts commit 4d414f54a2, reversing
changes made to 4827425146.

weed/mq/balancer/balancer.go

@@ -1,67 +1,16 @@
 package balancer
 
 import (
-	"fmt"
 	cmap "github.com/orcaman/concurrent-map/v2"
-	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
-)
-
-const (
-	MaxPartitionCount = 8 * 9 * 5 * 7 //2520
 )
 
 type Balancer struct {
 	Brokers cmap.ConcurrentMap[string, *BrokerStats]
 }
-
 type BrokerStats struct {
 	TopicPartitionCount int32
 	ConsumerCount       int32
 	CpuUsagePercent     int32
-	Stats               cmap.ConcurrentMap[string, *TopicPartitionStats]
-}
-
-func (bs *BrokerStats) UpdateStats(stats *mq_pb.BrokerStats) {
-	bs.TopicPartitionCount = int32(len(stats.Stats))
-	bs.CpuUsagePercent = stats.CpuUsagePercent
-
-	var consumerCount int32
-	currentTopicPartitions := bs.Stats.Items()
-	for _, topicPartitionStats := range stats.Stats {
-		tps := &TopicPartitionStats{
-			TopicPartition: TopicPartition{
-				Namespace:  topicPartitionStats.Topic.Namespace,
-				Topic:      topicPartitionStats.Topic.Name,
-				RangeStart: topicPartitionStats.Partition.RangeStart,
-				RangeStop:  topicPartitionStats.Partition.RangeStop,
-			},
-			ConsumerCount: topicPartitionStats.ConsumerCount,
-			IsLeader:      topicPartitionStats.IsLeader,
-		}
-		consumerCount += topicPartitionStats.ConsumerCount
-		key := tps.TopicPartition.String()
-		bs.Stats.Set(key, tps)
-		delete(currentTopicPartitions, key)
-	}
-	// remove the topic partitions that are not in the stats
-	for key := range currentTopicPartitions {
-		bs.Stats.Remove(key)
-	}
-	bs.ConsumerCount = consumerCount
-
-}
-
-type TopicPartition struct {
-	Namespace  string
-	Topic      string
-	RangeStart int32
-	RangeStop  int32
-}
-
-type TopicPartitionStats struct {
-	TopicPartition
-	ConsumerCount int32
-	IsLeader      bool
 }
 
 func NewBalancer() *Balancer {
@@ -71,11 +20,5 @@ func NewBalancer() *Balancer {
 }
 
 func NewBrokerStats() *BrokerStats {
-	return &BrokerStats{
-		Stats: cmap.New[*TopicPartitionStats](),
-	}
-}
-
-func (tp *TopicPartition) String() string {
-	return fmt.Sprintf("%v.%v-%04d-%04d", tp.Namespace, tp.Topic, tp.RangeStart, tp.RangeStop)
+	return &BrokerStats{}
 }