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https://github.com/seaweedfs/seaweedfs.git
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580940bf82
* 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
59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
package pub_balancer
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import (
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"context"
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"fmt"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
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"google.golang.org/grpc"
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)
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// Balancer <= PublisherToPubBalancer() <= Broker <=> Publish()
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// ExecuteBalanceActionMove from Balancer => AssignTopicPartitions() => Broker => Publish()
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func (balancer *Balancer) ExecuteBalanceActionMove(move *BalanceActionMove, grpcDialOption grpc.DialOption) error {
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if _, found := balancer.Brokers.Get(move.SourceBroker); !found {
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return fmt.Errorf("source broker %s not found", move.SourceBroker)
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}
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if _, found := balancer.Brokers.Get(move.TargetBroker); !found {
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return fmt.Errorf("target broker %s not found", move.TargetBroker)
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}
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err := pb.WithBrokerGrpcClient(false, move.TargetBroker, grpcDialOption, func(client mq_pb.SeaweedMessagingClient) error {
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_, err := client.AssignTopicPartitions(context.Background(), &mq_pb.AssignTopicPartitionsRequest{
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Topic: move.TopicPartition.Topic.ToPbTopic(),
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BrokerPartitionAssignments: []*mq_pb.BrokerPartitionAssignment{
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{
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Partition: move.TopicPartition.ToPbPartition(),
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},
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},
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IsLeader: true,
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IsDraining: false,
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})
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return err
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})
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if err != nil {
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return fmt.Errorf("assign topic partition %v to %s: %v", move.TopicPartition, move.TargetBroker, err)
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}
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err = pb.WithBrokerGrpcClient(false, move.SourceBroker, grpcDialOption, func(client mq_pb.SeaweedMessagingClient) error {
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_, err := client.AssignTopicPartitions(context.Background(), &mq_pb.AssignTopicPartitionsRequest{
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Topic: move.TopicPartition.Topic.ToPbTopic(),
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BrokerPartitionAssignments: []*mq_pb.BrokerPartitionAssignment{
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{
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Partition: move.TopicPartition.ToPbPartition(),
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},
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},
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IsLeader: true,
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IsDraining: true,
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})
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return err
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})
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if err != nil {
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return fmt.Errorf("assign topic partition %v to %s: %v", move.TopicPartition, move.SourceBroker, err)
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}
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return nil
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}
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