consumer instance passing MaxPartitionCount to coordinator

weed/mq/client/sub_client/connect_to_sub_coordinator.go

@@ -51,6 +51,7 @@ func (sub *TopicSubscriber) doKeepConnectedToSubCoordinator() {
 							ConsumerGroup:           sub.SubscriberConfig.ConsumerGroup,
 							ConsumerGroupInstanceId: sub.SubscriberConfig.ConsumerGroupInstanceId,
 							Topic:                   sub.ContentConfig.Topic.ToPbTopic(),
+							MaxPartitionCount: 	 	 sub.ProcessorConfig.ConcurrentPartitionLimit,
 						},
 					},
 				}); err != nil {

weed/mq/client/sub_client/subscriber.go

@@ -21,7 +21,7 @@ type ContentConfiguration struct {
 }
 
 type ProcessorConfiguration struct {
-	ConcurrentPartitionLimit int // how many partitions to process concurrently
+	ConcurrentPartitionLimit int32 // how many partitions to process concurrently
 }
 
 type OnEachMessageFunc func(key, value []byte) (shouldContinue bool, err error)

weed/mq/sub_coordinator/consumer_group.go

@@ -14,6 +14,7 @@ type ConsumerGroupInstance struct {
 	// the consumer group instance may not have an active partition
 	Partitions   []*topic.Partition
 	ResponseChan chan *mq_pb.SubscriberToSubCoordinatorResponse
+	MaxPartitionCount int32
 }
 type ConsumerGroup struct {
 	topic topic.Topic

weed/mq/sub_coordinator/coordinator.go

@@ -67,6 +67,7 @@ func (c *Coordinator) AddSubscriber(initMessage *mq_pb.SubscriberToSubCoordinato
 			cgi, _ = cg.ConsumerGroupInstances.Get(initMessage.ConsumerGroupInstanceId)
 		}
 	}
+	cgi.MaxPartitionCount = initMessage.MaxPartitionCount
 	cg.OnAddConsumerGroupInstance(initMessage.ConsumerGroupInstanceId, initMessage.Topic)
 	return cgi
 }

weed/pb/mq.proto

@@ -163,6 +163,7 @@ message SubscriberToSubCoordinatorRequest {
         string consumer_group = 1;
         string consumer_group_instance_id = 2;
         Topic topic = 3;
+        int32 max_partition_count = 4;
     }
     message AckMessage {
         Partition partition = 1;

weed/pb/mq_pb/mq.pb.go

@@ -2195,6 +2195,7 @@ type SubscriberToSubCoordinatorRequest_InitMessage struct {
 	ConsumerGroup           string `protobuf:"bytes,1,opt,name=consumer_group,json=consumerGroup,proto3" json:"consumer_group,omitempty"`
 	ConsumerGroupInstanceId string `protobuf:"bytes,2,opt,name=consumer_group_instance_id,json=consumerGroupInstanceId,proto3" json:"consumer_group_instance_id,omitempty"`
 	Topic                   *Topic `protobuf:"bytes,3,opt,name=topic,proto3" json:"topic,omitempty"`
+	MaxPartitionCount       int32  `protobuf:"varint,4,opt,name=max_partition_count,json=maxPartitionCount,proto3" json:"max_partition_count,omitempty"`
 }
 
 func (x *SubscriberToSubCoordinatorRequest_InitMessage) Reset() {
@@ -2250,6 +2251,13 @@ func (x *SubscriberToSubCoordinatorRequest_InitMessage) GetTopic() *Topic {
 	return nil
 }
 
+func (x *SubscriberToSubCoordinatorRequest_InitMessage) GetMaxPartitionCount() int32 {
+	if x != nil {
+		return x.MaxPartitionCount
+	}
+	return 0
+}
+
 type SubscriberToSubCoordinatorRequest_AckMessage struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
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@@ -2958,7 +2966,7 @@ var file_mq_proto_rawDesc = []byte{
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