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