seaweedfs/weed/mq/pub_balancer/broker_stats.go
2024-01-22 10:47:39 -08:00

87 lines
2.6 KiB
Go

package pub_balancer
import (
"fmt"
cmap "github.com/orcaman/concurrent-map/v2"
"github.com/seaweedfs/seaweedfs/weed/mq/topic"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
)
type BrokerStats struct {
TopicPartitionCount int32
ConsumerCount int32
CpuUsagePercent int32
TopicPartitionStats cmap.ConcurrentMap[string, *TopicPartitionStats] // key: topic_partition
Topics []topic.Topic
}
type TopicPartitionStats struct {
topic.TopicPartition
ConsumerCount int32
IsLeader bool
}
func NewBrokerStats() *BrokerStats {
return &BrokerStats{
TopicPartitionStats: cmap.New[*TopicPartitionStats](),
}
}
func (bs *BrokerStats) String() string {
return fmt.Sprintf("BrokerStats{TopicPartitionCount:%d, ConsumerCount:%d, CpuUsagePercent:%d, Stats:%+v}",
bs.TopicPartitionCount, bs.ConsumerCount, bs.CpuUsagePercent, bs.TopicPartitionStats.Items())
}
func (bs *BrokerStats) UpdateStats(stats *mq_pb.BrokerStats) {
bs.TopicPartitionCount = int32(len(stats.Stats))
bs.CpuUsagePercent = stats.CpuUsagePercent
var consumerCount int32
currentTopicPartitions := bs.TopicPartitionStats.Items()
for _, topicPartitionStats := range stats.Stats {
tps := &TopicPartitionStats{
TopicPartition: topic.TopicPartition{
Topic: topic.Topic{Namespace: topicPartitionStats.Topic.Namespace, Name: topicPartitionStats.Topic.Name},
Partition: topic.Partition{
RangeStart: topicPartitionStats.Partition.RangeStart,
RangeStop: topicPartitionStats.Partition.RangeStop,
RingSize: topicPartitionStats.Partition.RingSize,
UnixTimeNs: topicPartitionStats.Partition.UnixTimeNs,
},
},
ConsumerCount: topicPartitionStats.ConsumerCount,
IsLeader: topicPartitionStats.IsLeader,
}
consumerCount += topicPartitionStats.ConsumerCount
key := tps.TopicPartition.String()
bs.TopicPartitionStats.Set(key, tps)
delete(currentTopicPartitions, key)
}
// remove the topic partitions that are not in the stats
for key := range currentTopicPartitions {
bs.TopicPartitionStats.Remove(key)
}
bs.ConsumerCount = consumerCount
}
func (bs *BrokerStats) RegisterAssignment(t *mq_pb.Topic, partition *mq_pb.Partition, isAdd bool) {
tps := &TopicPartitionStats{
TopicPartition: topic.TopicPartition{
Topic: topic.Topic{Namespace: t.Namespace, Name: t.Name},
Partition: topic.Partition{
RangeStart: partition.RangeStart,
RangeStop: partition.RangeStop,
RingSize: partition.RingSize,
UnixTimeNs: partition.UnixTimeNs,
},
},
ConsumerCount: 0,
IsLeader: true,
}
key := tps.TopicPartition.String()
if isAdd {
bs.TopicPartitionStats.SetIfAbsent(key, tps)
} else {
bs.TopicPartitionStats.Remove(key)
}
}