From 093fdc16213b64b0f368437f93adf0448ccf9e59 Mon Sep 17 00:00:00 2001 From: chrislu Date: Thu, 28 Dec 2023 20:35:15 -0800 Subject: [PATCH] subscriber can get assignments --- weed/mq/broker/broker_grpc_pub_balancer.go | 3 +- weed/mq/broker/broker_stats.go | 2 +- .../sub_client/connect_to_sub_coordinator.go | 14 +- weed/mq/pub_balancer/balancer.go | 9 +- weed/mq/sub_coordinator/consumer_group.go | 70 +++- weed/mq/sub_coordinator/coordinator.go | 2 +- .../partition_consumer_mapping.go | 11 +- weed/mq/sub_coordinator/partition_list.go | 8 + weed/mq/topic/partition.go | 9 + weed/pb/mq.proto | 1 + weed/pb/mq_pb/mq.pb.go | 395 +++++++++--------- weed/server/filer_grpc_server_dlm.go | 3 + 12 files changed, 314 insertions(+), 213 deletions(-) diff --git a/weed/mq/broker/broker_grpc_pub_balancer.go b/weed/mq/broker/broker_grpc_pub_balancer.go index e3d49f816..34a7f0555 100644 --- a/weed/mq/broker/broker_grpc_pub_balancer.go +++ b/weed/mq/broker/broker_grpc_pub_balancer.go @@ -41,8 +41,7 @@ func (b *MessageQueueBroker) PublisherToPubBalancer(stream mq_pb.SeaweedMessagin } if receivedStats := req.GetStats(); receivedStats != nil { b.Balancer.OnBrokerStatsUpdated(initMessage.Broker, brokerStats, receivedStats) - glog.V(4).Infof("broker %s stats: %+v", initMessage.Broker, brokerStats) - glog.V(4).Infof("received stats: %+v", receivedStats) + glog.V(4).Infof("received from %v: %+v", initMessage.Broker, receivedStats) } } diff --git a/weed/mq/broker/broker_stats.go b/weed/mq/broker/broker_stats.go index 3cd217519..33040c6a2 100644 --- a/weed/mq/broker/broker_stats.go +++ b/weed/mq/broker/broker_stats.go @@ -68,7 +68,7 @@ func (b *MessageQueueBroker) BrokerConnectToBalancer(self string) error { } return fmt.Errorf("send stats message: %v", err) } - glog.V(3).Infof("sent stats: %+v", stats) + // glog.V(3).Infof("sent stats: %+v", stats) time.Sleep(time.Millisecond*5000 + time.Duration(rand.Intn(1000))*time.Millisecond) } diff --git a/weed/mq/client/sub_client/connect_to_sub_coordinator.go b/weed/mq/client/sub_client/connect_to_sub_coordinator.go index 38b80e5ab..ae821bfdd 100644 --- a/weed/mq/client/sub_client/connect_to_sub_coordinator.go +++ b/weed/mq/client/sub_client/connect_to_sub_coordinator.go @@ -72,20 +72,20 @@ func (sub *TopicSubscriber) onEachAssignment(assignment *mq_pb.SubscriberToSubCo var wg sync.WaitGroup semaphore := make(chan struct{}, sub.ProcessorConfig.ConcurrentPartitionLimit) - for _, partition := range assignment.AssignedPartitions { + for _, assigned := range assignment.AssignedPartitions { wg.Add(1) semaphore <- struct{}{} - go func(partition *mq_pb.Partition) { + go func(partition *mq_pb.Partition, broker string) { defer wg.Done() defer func() { <-semaphore }() - glog.V(0).Infof("subscriber %s/%s/%s assigned partition %d", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup, partition) - sub.onEachPartition(partition) - }(partition.Partition) + glog.V(0).Infof("subscriber %s/%s/%s assigned partition %+v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup, partition) + sub.onEachPartition(partition, broker) + }(assigned.Partition, assigned.Broker) } wg.Wait() } -func (sub *TopicSubscriber) onEachPartition(partition *mq_pb.Partition) { - glog.V(0).Infof("subscriber %s/%s/%s processing partition %d", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup, partition) +func (sub *TopicSubscriber) onEachPartition(partition *mq_pb.Partition, broker string) { + glog.V(0).Infof("subscriber %s/%s/%s processing partition %+v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup, partition) } diff --git a/weed/mq/pub_balancer/balancer.go b/weed/mq/pub_balancer/balancer.go index 5e8c8275e..4524d95d0 100644 --- a/weed/mq/pub_balancer/balancer.go +++ b/weed/mq/pub_balancer/balancer.go @@ -2,6 +2,7 @@ package pub_balancer import ( cmap "github.com/orcaman/concurrent-map/v2" + "github.com/seaweedfs/seaweedfs/weed/mq/topic" "github.com/seaweedfs/seaweedfs/weed/pb/mq_pb" ) @@ -70,13 +71,13 @@ func (balancer *Balancer) OnBrokerStatsUpdated(broker string, brokerStats *Broke // update TopicToBrokers for _, topicPartitionStats := range receivedStats.Stats { - topic := topicPartitionStats.Topic + topicKey := topic.FromPbTopic(topicPartitionStats.Topic).String() partition := topicPartitionStats.Partition - partitionSlotToBrokerList, found := balancer.TopicToBrokers.Get(topic.String()) + partitionSlotToBrokerList, found := balancer.TopicToBrokers.Get(topicKey) if !found { partitionSlotToBrokerList = NewPartitionSlotToBrokerList(MaxPartitionCount) - if !balancer.TopicToBrokers.SetIfAbsent(topic.String(), partitionSlotToBrokerList) { - partitionSlotToBrokerList, _ = balancer.TopicToBrokers.Get(topic.String()) + if !balancer.TopicToBrokers.SetIfAbsent(topicKey, partitionSlotToBrokerList) { + partitionSlotToBrokerList, _ = balancer.TopicToBrokers.Get(topicKey) } } partitionSlotToBrokerList.AddBroker(partition, broker) diff --git a/weed/mq/sub_coordinator/consumer_group.go b/weed/mq/sub_coordinator/consumer_group.go index 2a712f198..9bd020ad3 100644 --- a/weed/mq/sub_coordinator/consumer_group.go +++ b/weed/mq/sub_coordinator/consumer_group.go @@ -2,6 +2,7 @@ package sub_coordinator import ( cmap "github.com/orcaman/concurrent-map/v2" + "github.com/seaweedfs/seaweedfs/weed/glog" "github.com/seaweedfs/seaweedfs/weed/mq/pub_balancer" "github.com/seaweedfs/seaweedfs/weed/mq/topic" "github.com/seaweedfs/seaweedfs/weed/pb/mq_pb" @@ -15,16 +16,20 @@ type ConsumerGroupInstance struct { ResponseChan chan *mq_pb.SubscriberToSubCoordinatorResponse } type ConsumerGroup struct { + topic topic.Topic // map a consumer group instance id to a consumer group instance ConsumerGroupInstances cmap.ConcurrentMap[string, *ConsumerGroupInstance] mapping *PartitionConsumerMapping reBalanceTimer *time.Timer + pubBalancer *pub_balancer.Balancer } -func NewConsumerGroup() *ConsumerGroup { +func NewConsumerGroup(t *mq_pb.Topic, pubBalancer *pub_balancer.Balancer) *ConsumerGroup { return &ConsumerGroup{ + topic: topic.FromPbTopic(t), ConsumerGroupInstances: cmap.New[*ConsumerGroupInstance](), mapping: NewPartitionConsumerMapping(pub_balancer.MaxPartitionCount), + pubBalancer: pubBalancer, } } @@ -47,7 +52,7 @@ func (cg *ConsumerGroup) onConsumerGroupInstanceChange(){ cg.reBalanceTimer = nil } cg.reBalanceTimer = time.AfterFunc(5*time.Second, func() { - cg.Rebalance() + cg.RebalanceConsumberGroupInstances() cg.reBalanceTimer = nil }) } @@ -56,9 +61,66 @@ func (cg *ConsumerGroup) OnPartitionListChange() { cg.reBalanceTimer.Stop() cg.reBalanceTimer = nil } - cg.Rebalance() + cg.RebalanceConsumberGroupInstances() } -func (cg *ConsumerGroup) Rebalance() { +func (cg *ConsumerGroup) RebalanceConsumberGroupInstances() { println("rebalance...") + + now := time.Now().UnixNano() + + // collect current topic partitions + partitionSlotToBrokerList, found := cg.pubBalancer.TopicToBrokers.Get(cg.topic.String()) + if !found { + glog.V(0).Infof("topic %s not found in balancer", cg.topic.String()) + return + } + partitions := make([]*topic.Partition, 0) + for _, partitionSlot := range partitionSlotToBrokerList.PartitionSlots { + partitions = append(partitions, topic.NewPartition(partitionSlot.RangeStart, partitionSlot.RangeStop, partitionSlotToBrokerList.RingSize, now)) + } + + // collect current consumer group instance ids + consumerInstanceIds := make([]string, 0) + for _, consumerGroupInstance := range cg.ConsumerGroupInstances.Items() { + consumerInstanceIds = append(consumerInstanceIds, consumerGroupInstance.InstanceId) + } + + cg.mapping.BalanceToConsumerInstanceIds(partitions, consumerInstanceIds) + + // convert cg.mapping currentMapping to map of consumer group instance id to partition slots + consumerInstanceToPartitionSlots := make(map[string][]*PartitionSlotToConsumerInstance) + for _, partitionSlot := range cg.mapping.currentMapping.PartitionSlots { + consumerInstanceToPartitionSlots[partitionSlot.AssignedInstanceId] = append(consumerInstanceToPartitionSlots[partitionSlot.AssignedInstanceId], partitionSlot) + } + + // notify consumer group instances + for _, consumerGroupInstance := range cg.ConsumerGroupInstances.Items() { + partitionSlots, found := consumerInstanceToPartitionSlots[consumerGroupInstance.InstanceId] + if !found { + partitionSlots = make([]*PartitionSlotToConsumerInstance, 0) + } + consumerGroupInstance.Partitions = ToPartitions(partitionSlotToBrokerList.RingSize, partitionSlots, now) + assignedPartitions := make([]*mq_pb.SubscriberToSubCoordinatorResponse_AssignedPartition, len(partitionSlots)) + for i, partitionSlot := range partitionSlots { + assignedPartitions[i] = &mq_pb.SubscriberToSubCoordinatorResponse_AssignedPartition{ + Partition: &mq_pb.Partition{ + RangeStop: partitionSlot.RangeStop, + RangeStart: partitionSlot.RangeStart, + RingSize: partitionSlotToBrokerList.RingSize, + UnixTimeNs: now, + }, + } + } + response := &mq_pb.SubscriberToSubCoordinatorResponse{ + Message: &mq_pb.SubscriberToSubCoordinatorResponse_Assignment_{ + Assignment: &mq_pb.SubscriberToSubCoordinatorResponse_Assignment{ + AssignedPartitions: assignedPartitions, + }, + }, + } + consumerGroupInstance.ResponseChan <- response + } + + } diff --git a/weed/mq/sub_coordinator/coordinator.go b/weed/mq/sub_coordinator/coordinator.go index 7ca536c6b..9a88c383a 100644 --- a/weed/mq/sub_coordinator/coordinator.go +++ b/weed/mq/sub_coordinator/coordinator.go @@ -53,7 +53,7 @@ func (c *Coordinator) AddSubscriber(consumerGroup, consumerGroupInstance string, tcg := c.GetTopicConsumerGroups(topic) cg, _ := tcg.ConsumerGroups.Get(consumerGroup) if cg == nil { - cg = NewConsumerGroup() + cg = NewConsumerGroup(topic, c.balancer) tcg.ConsumerGroups.Set(consumerGroup, cg) } cgi, _ := cg.ConsumerGroupInstances.Get(consumerGroupInstance) diff --git a/weed/mq/sub_coordinator/partition_consumer_mapping.go b/weed/mq/sub_coordinator/partition_consumer_mapping.go index 9c80b09c6..b7e5b12c6 100644 --- a/weed/mq/sub_coordinator/partition_consumer_mapping.go +++ b/weed/mq/sub_coordinator/partition_consumer_mapping.go @@ -29,9 +29,18 @@ func (pcm *PartitionConsumerMapping) BalanceToConsumerInstanceIds(partitions []* } newVersion := time.Now().UnixNano() newMapping := NewPartitionSlotToConsumerInstanceList(partitions[0].RingSize, newVersion) - newMapping.PartitionSlots = doBalanceSticky(partitions, consumerInstanceIds, pcm.prevMappings[0]) + var prevMapping *PartitionSlotToConsumerInstanceList + if len(pcm.prevMappings) > 0 { + prevMapping = pcm.prevMappings[len(pcm.prevMappings)-1] + } else { + prevMapping = nil + } + newMapping.PartitionSlots = doBalanceSticky(partitions, consumerInstanceIds, prevMapping) if pcm.currentMapping != nil { pcm.prevMappings = append(pcm.prevMappings, pcm.currentMapping) + if len(pcm.prevMappings) > 10 { + pcm.prevMappings = pcm.prevMappings[1:] + } } pcm.currentMapping = newMapping } diff --git a/weed/mq/sub_coordinator/partition_list.go b/weed/mq/sub_coordinator/partition_list.go index ca097f2b3..1c3123bfc 100644 --- a/weed/mq/sub_coordinator/partition_list.go +++ b/weed/mq/sub_coordinator/partition_list.go @@ -30,3 +30,11 @@ func ToPartitionSlots(partitions []*topic.Partition) (partitionSlots []*Partitio } return } + +func ToPartitions(ringSize int32, slots []*PartitionSlotToConsumerInstance, unixTimeNs int64) []*topic.Partition { + partitions := make([]*topic.Partition, 0, len(slots)) + for _, slot := range slots { + partitions = append(partitions, topic.NewPartition(slot.RangeStart, slot.RangeStop, ringSize, unixTimeNs)) + } + return partitions +} diff --git a/weed/mq/topic/partition.go b/weed/mq/topic/partition.go index ca34c2390..45b55c43b 100644 --- a/weed/mq/topic/partition.go +++ b/weed/mq/topic/partition.go @@ -11,6 +11,15 @@ type Partition struct { UnixTimeNs int64 // in nanoseconds } +func NewPartition(rangeStart, rangeStop, ringSize int32, unixTimeNs int64) *Partition { + return &Partition{ + RangeStart: rangeStart, + RangeStop: rangeStop, + RingSize: ringSize, + UnixTimeNs: unixTimeNs, + } +} + func (partition Partition) Equals(other Partition) bool { if partition.RangeStart != other.RangeStart { return false diff --git a/weed/pb/mq.proto b/weed/pb/mq.proto index ff0f4dfb9..2034763af 100644 --- a/weed/pb/mq.proto +++ b/weed/pb/mq.proto @@ -153,6 +153,7 @@ message SubscriberToSubCoordinatorResponse { message AssignedPartition { Partition partition = 1; int64 ts_ns = 2; + string broker = 3; } message Assignment { int64 generation = 1; diff --git a/weed/pb/mq_pb/mq.pb.go b/weed/pb/mq_pb/mq.pb.go index 9edd74b15..3e1eb347e 100644 --- a/weed/pb/mq_pb/mq.pb.go +++ b/weed/pb/mq_pb/mq.pb.go @@ -1917,6 +1917,7 @@ type SubscriberToSubCoordinatorResponse_AssignedPartition struct { Partition *Partition `protobuf:"bytes,1,opt,name=partition,proto3" json:"partition,omitempty"` TsNs int64 `protobuf:"varint,2,opt,name=ts_ns,json=tsNs,proto3" json:"ts_ns,omitempty"` + Broker string `protobuf:"bytes,3,opt,name=broker,proto3" json:"broker,omitempty"` } func (x *SubscriberToSubCoordinatorResponse_AssignedPartition) Reset() { @@ -1965,6 +1966,13 @@ func (x *SubscriberToSubCoordinatorResponse_AssignedPartition) GetTsNs() int64 { return 0 } +func (x *SubscriberToSubCoordinatorResponse_AssignedPartition) GetBroker() string { + if x != nil { + return x.Broker + } + return "" +} + type SubscriberToSubCoordinatorResponse_Assignment struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -2485,7 +2493,7 @@ var file_mq_proto_rawDesc = []byte{ 0x72, 0x74, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x09, 0x70, 0x61, 0x72, 0x74, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x13, 0x0a, 0x05, 0x74, 0x73, 0x5f, 0x6e, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x04, 0x74, 0x73, 0x4e, 0x73, 0x42, 0x09, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, - 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