seaweedfs/weed/mq/pub_balancer/broker_stats.go
Chris Lu 580940bf82
Merge accumulated changes related to message queue (#5098)
* balance partitions on brokers

* prepare topic partition first and then publish, move partition

* purge unused APIs

* clean up

* adjust logs

* add BalanceTopics() grpc API

* configure topic

* configure topic command

* refactor

* repair missing partitions

* sequence of operations to ensure ordering

* proto to close publishers and consumers

* rename file

* topic partition versioned by unixTimeNs

* create local topic partition

* close publishers

* randomize the client name

* wait until no publishers

* logs

* close stop publisher channel

* send last ack

* comments

* comment

* comments

* support list of brokers

* add cli options

* Update .gitignore

* logs

* return io.eof directly

* refactor

* optionally create topic

* refactoring

* detect consumer disconnection

* sub client wait for more messages

* subscribe by time stamp

* rename

* rename to sub_balancer

* rename

* adjust comments

* rename

* fix compilation

* rename

* rename

* SubscriberToSubCoordinator

* sticky rebalance

* go fmt

* add tests

* balance partitions on brokers

* prepare topic partition first and then publish, move partition

* purge unused APIs

* clean up

* adjust logs

* add BalanceTopics() grpc API

* configure topic

* configure topic command

* refactor

* repair missing partitions

* sequence of operations to ensure ordering

* proto to close publishers and consumers

* rename file

* topic partition versioned by unixTimeNs

* create local topic partition

* close publishers

* randomize the client name

* wait until no publishers

* logs

* close stop publisher channel

* send last ack

* comments

* comment

* comments

* support list of brokers

* add cli options

* Update .gitignore

* logs

* return io.eof directly

* refactor

* optionally create topic

* refactoring

* detect consumer disconnection

* sub client wait for more messages

* subscribe by time stamp

* rename

* rename to sub_balancer

* rename

* adjust comments

* rename

* fix compilation

* rename

* rename

* SubscriberToSubCoordinator

* sticky rebalance

* go fmt

* add tests

* tracking topic=>broker

* merge

* comment
2023-12-11 12:05:54 -08:00

73 lines
2.4 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},
},
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) {
tps := &TopicPartitionStats{
TopicPartition: topic.TopicPartition{
Topic: topic.Topic{Namespace: t.Namespace, Name: t.Name},
Partition: topic.Partition{RangeStart: partition.RangeStart, RangeStop: partition.RangeStop},
},
ConsumerCount: 0,
IsLeader: true,
}
key := tps.TopicPartition.String()
bs.TopicPartitionStats.Set(key, tps)
}