sarama consumermessagesarama consumermessage

sarama consumermessage28 May sarama consumermessage

"consumer/broker/%d disconnecting due to error processing FetchRequest: %s, // if there isn't response, it means that not fetch was made, // so we don't need to handle any response, "consumer/broker/%d added subscription to %s/%d, "consumer/broker/%d closed dead subscription to %s/%d, // handleResponses handles the response codes left for us by our subscriptions, and abandons ones that have been closed, // not an error but needs redispatching to consume from preferred replica, "consumer/broker/%d abandoned in favor of preferred replica broker/%d, "consumer/broker/%d abandoned subscription to %s/%d because consuming was taking too long, // there's no point in retrying this it will just fail the same way again, // shut it down and force the user to choose what to do, // not an error, but does need redispatching, "consumer/broker/%d abandoned subscription to %s/%d because %s, // dunno, tell the user and try redispatching, // we don't care about the error this might return, we already have one, // fetchResponse can be nil if no fetch is made, it can occur when, // We do not currently implement KIP-227 FetchSessions. MockOffsetCommitResponse is a `OffsetCommitResponse` builder. // Pause suspends fetching from all partitions. Similar to the JVM's `retry.backoff.ms`. NewHashPartitioner returns a Partitioner which behaves as follows. It is required to call. Numeric error codes returned by the Kafka server. ByteEncoder implements the Encoder interface for Go byte slices so that they can be used // Must be within the allowed server range. by overriding Config.Producer.Partitioner. by setting the `min.isr` value in the brokers configuration). How do I fetch an offset for a specific timestamp? // If enabled, any errors that occurred while consuming are returned on. In this case you should decide what you want to do (try a different offset, // Take a small nap to avoid burning the CPU. are traced. // Parse and commit offset but do not expose messages that are: // - part of an aborted transaction when set to `ReadCommitted`, // I don't know why there is this continue in case of error to begin with, // Safe bet is to ignore control messages if ReadUncommitted, // and block on them in case of error and ReadCommitted. modified, and redistributed. Future calls to the broker will not return. This is good for basic load balancing. // See MarkOffset for additional explanation. NewClient, or NewConsumer) block waiting for the connection to succeed or fail. It reads Kafka requests The session will persist until one of the ConsumeClaim() functions exits. MockBroker behaviour. The leak is in your code instead: if you have code that permanently stores a reference to the. a message using hashing. // the client. Yes. // Whether or not to use TLS when connecting to the broker, // The TLS configuration to use for secure connections if, // SASL based authentication with broker. // to facilitate rebalancing when new consumers join or leave the group. // The default number of message bytes to fetch from the broker in each, // request (default 1MB). Add assigns a topic with a number partitions to a member. supplied to NewClient, especially at the Consumer.Offsets settings, Version, Metadata.Retry.Backoff, // WaitForLocal waits for only the local commit to succeed before responding. The Go module system was introduced in Go 1.11 and is the official dependency management are traced. 100-500ms is a reasonable range for most cases. // ResetOffsets marks stashed offsets as processed. over a collection of processes (the members of the consumer group). https://github.com/bsm/sarama-cluster library builds on Sarama to add this support. sarama package - github.com/shopify/sarama - Go Packages Messages larger than this will return, // ErrMessageTooLarge and will not be consumable, so you must be sure, // this is at least as large as your largest message. reassigns the minimum number of partitions. By default, sarama's Config.Consumer.Offsets.Initial is set to sarama.OffsetNewest. This means that in the event that a brand new consumer is created, and it has never committed any offsets to kafka, it will only receive messages starting from the message after the current one that was written. It contains an allocation of topic/partitions by memberID in the form of value: 2, // Topics returns the set of available topics as retrieved from the cluster, // metadata. and creates a pinpoint.Tracer that instruments the sarama.ConsumerMessage. I believe doing so is a waste of CPU time, generates more work for the gc, and makes building on top of It is required to call this, // function, or Close before a consumer object passes out of scope, as it will otherwise leak memory. If the consumer, // lags more than MaxMessageAge (as compared with the sarama.ConsumerMessage.Timestamp) it declares an OffsetOutOfRange condition, and restarts, // where OffsetOutOfRange() indicates. It should be no more, // than 1/3rd of the Group.Session.Timout setting, // the partitioner used to map partitions to consumer group members (defaults to a round-robin partitioner). Package ppsarama instruments the Shopify/sarama package (https://github.com/Shopify/sarama). Webfunc consume(topics []string, master sarama.Consumer) (chan *sarama.ConsumerMessage, chan *sarama.ConsumerError) {consumers := This means that ConsumeClaim() functions must exit, // as quickly as possible to allow time for Cleanup() and the final offset commit. // Get the configuration for the specified resources. This is only. or not successes will be returned. consumer group members are assigned the same partition->consumer mapping. // can succeed and fail individually; if some succeed and some fail, NewConsumerGroupFromClient(groupID, client), (r) AddBlock(topic, partitionID, fetchOffset, maxBytes), (r) AddMessage(topic, partition, key, value, offset), (r) AddRecord(topic, partition, key, value, offset), (r) SetLastOffsetDelta(topic, partition, offset), (r) SetLastStableOffset(topic, partition, offset), (r) AddGroupProtocolMetadata(name, metadata), (r) AddTopicPartition(topic, partition, brokerID, replicas, isr, err), NewMockBrokerListener(t, brokerID, listener), (mfr) SetHighWaterMark(topic, partition, offset), (mfr) SetMessage(topic, partition, offset, msg), (mr) SetCoordinator(coordinatorType, group, broker), (mr) SetError(coordinatorType, group, kerror), (mmr) SetLeader(topic, partition, brokerID), (mr) SetError(group, topic, partition, kerror), (mr) SetOffset(group, topic, partition, offset, metadata, kerror), (mor) SetOffset(topic, partition, time, offset), (r) AddBlock(topic, partitionID, offset, timestamp, metadata), NewOffsetManagerFromClient(group, client), (r) AddBlock(topic, partitionID, time, maxOffsets), (r) AddTopicPartition(topic, partition, offset), (r) AddTopicPartition(topic, partition, err), (r) AddGroupAssignment(memberId, memberAssignment), (r) AddGroupAssignmentMember(memberId, memberAssignment), https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol, func NewAsyncProducer(addrs []string, conf *Config) (AsyncProducer, error), func NewAsyncProducerFromClient(client Client) (AsyncProducer, error), func (p BalanceStrategyPlan) Add(memberID, topic string, partitions int32), func (b *Broker) AddOffsetsToTxn(request *AddOffsetsToTxnRequest) (*AddOffsetsToTxnResponse, error), func (b *Broker) AddPartitionsToTxn(request *AddPartitionsToTxnRequest) (*AddPartitionsToTxnResponse, error), func (b *Broker) AlterConfigs(request *AlterConfigsRequest) (*AlterConfigsResponse, error), func (b *Broker) ApiVersions(request *ApiVersionsRequest) (*ApiVersionsResponse, error), func (b *Broker) CommitOffset(request *OffsetCommitRequest) (*OffsetCommitResponse, error), func (b *Broker) Connected() (bool, error), func (b *Broker) CreateAcls(request *CreateAclsRequest) (*CreateAclsResponse, error), func (b *Broker) CreatePartitions(request *CreatePartitionsRequest) (*CreatePartitionsResponse, error), func (b *Broker) CreateTopics(request *CreateTopicsRequest) (*CreateTopicsResponse, error), func (b *Broker) DeleteAcls(request *DeleteAclsRequest) (*DeleteAclsResponse, error), func (b *Broker) DeleteGroups(request *DeleteGroupsRequest) (*DeleteGroupsResponse, error), func (b *Broker) DeleteRecords(request *DeleteRecordsRequest) (*DeleteRecordsResponse, error), func (b *Broker) DeleteTopics(request *DeleteTopicsRequest) (*DeleteTopicsResponse, error), func (b *Broker) DescribeAcls(request *DescribeAclsRequest) (*DescribeAclsResponse, error), func (b *Broker) DescribeConfigs(request *DescribeConfigsRequest) (*DescribeConfigsResponse, error), func (b *Broker) DescribeGroups(request *DescribeGroupsRequest) (*DescribeGroupsResponse, error), func (b *Broker) EndTxn(request *EndTxnRequest) (*EndTxnResponse, error), func (b *Broker) Fetch(request *FetchRequest) (*FetchResponse, error), func (b *Broker) FetchOffset(request *OffsetFetchRequest) (*OffsetFetchResponse, error), func (b *Broker) FindCoordinator(request *FindCoordinatorRequest) (*FindCoordinatorResponse, error), func (b *Broker) GetAvailableOffsets(request *OffsetRequest) (*OffsetResponse, error), func (b *Broker) GetConsumerMetadata(request *ConsumerMetadataRequest) (*ConsumerMetadataResponse, error), func (b *Broker) GetMetadata(request *MetadataRequest) (*MetadataResponse, error), func (b *Broker) Heartbeat(request *HeartbeatRequest) (*HeartbeatResponse, error), func (b *Broker) InitProducerID(request *InitProducerIDRequest) (*InitProducerIDResponse, error), func (b *Broker) JoinGroup(request *JoinGroupRequest) (*JoinGroupResponse, error), func (b *Broker) LeaveGroup(request *LeaveGroupRequest) (*LeaveGroupResponse, error), func (b *Broker) ListGroups(request *ListGroupsRequest) (*ListGroupsResponse, error), func (b *Broker) Open(conf *Config) error, func (b *Broker) Produce(request *ProduceRequest) (*ProduceResponse, error), func (b *Broker) SyncGroup(request *SyncGroupRequest) (*SyncGroupResponse, error), func (b *Broker) TxnOffsetCommit(request *TxnOffsetCommitRequest) (*TxnOffsetCommitResponse, error), func (b ByteEncoder) Encode() ([]byte, error), func NewClient(addrs []string, conf *Config) (Client, error), func NewClusterAdmin(addrs []string, conf *Config) (ClusterAdmin, error), func (cc CompressionCodec) String() string, func (err ConfigurationError) Error() string, func NewConsumer(addrs []string, config *Config) (Consumer, error), func NewConsumerFromClient(client Client) (Consumer, error), func NewConsumerGroup(addrs []string, groupID string, config *Config) (ConsumerGroup, error), func NewConsumerGroupFromClient(groupID string, client Client) (ConsumerGroup, error), func (r *DeleteGroupsRequest) AddGroup(group string), func (r *DescribeGroupsRequest) AddGroup(group string), func (r *FetchRequest) AddBlock(topic string, partitionID int32, fetchOffset int64, maxBytes int32), func (r *FetchResponse) AddError(topic string, partition int32, err KError), func (r *FetchResponse) AddMessage(topic string, partition int32, key, value Encoder, offset int64), func (r *FetchResponse) AddRecord(topic string, partition int32, key, value Encoder, offset int64), func (r *FetchResponse) GetBlock(topic string, partition int32) *FetchResponseBlock, func (r *FetchResponse) SetLastOffsetDelta(topic string, partition int32, offset int32), func (r *FetchResponse) SetLastStableOffset(topic string, partition int32, offset int64), func (gmd *GroupMemberDescription) GetMemberAssignment() (*ConsumerGroupMemberAssignment, error), func (gmd *GroupMemberDescription) GetMemberMetadata() (*ConsumerGroupMemberMetadata, error), func WithAbsFirst() HashPartitionerOption, func WithCustomFallbackPartitioner(randomHP *hashPartitioner) HashPartitionerOption, func WithCustomHashFunction(hasher func() hash.Hash32) HashPartitionerOption, func (r *JoinGroupRequest) AddGroupProtocol(name string, metadata []byte), func (r *JoinGroupRequest) AddGroupProtocolMetadata(name string, metadata *ConsumerGroupMemberMetadata) error, func (r *JoinGroupResponse) GetMembers() (map[string]ConsumerGroupMemberMetadata, error), func ParseKafkaVersion(s string) (KafkaVersion, error), func (v KafkaVersion) IsAtLeast(other KafkaVersion) bool, func (msb *MessageBlock) Messages() []*MessageBlock, func (r *MetadataResponse) AddBroker(addr string, id int32), func (r *MetadataResponse) AddTopic(topic string, err KError) *TopicMetadata, func (r *MetadataResponse) AddTopicPartition(topic string, partition, brokerID int32, replicas, isr []int32, err KError), func NewMockAlterConfigsResponse(t TestReporter) *MockAlterConfigsResponse, func (mr *MockAlterConfigsResponse) For(reqBody versionedDecoder) encoder, func NewMockBroker(t TestReporter, brokerID int32) *MockBroker, func NewMockBrokerAddr(t TestReporter, brokerID int32, addr string) *MockBroker, func NewMockBrokerListener(t TestReporter, brokerID int32, listener net.Listener) *MockBroker, func (b *MockBroker) History() []RequestResponse, func (b *MockBroker) SetHandlerByMap(handlerMap map[string]MockResponse), func (b *MockBroker) SetLatency(latency time.Duration), func (b *MockBroker) SetNotifier(notifier RequestNotifierFunc), func NewMockConsumerMetadataResponse(t TestReporter) *MockConsumerMetadataResponse, func (mr *MockConsumerMetadataResponse) For(reqBody versionedDecoder) encoder, func (mr *MockConsumerMetadataResponse) SetCoordinator(group string, broker *MockBroker) *MockConsumerMetadataResponse, func (mr *MockConsumerMetadataResponse) SetError(group string, kerror KError) *MockConsumerMetadataResponse, func NewMockCreateAclsResponse(t TestReporter) *MockCreateAclsResponse, func (mr *MockCreateAclsResponse) For(reqBody versionedDecoder) encoder, func NewMockCreatePartitionsResponse(t TestReporter) *MockCreatePartitionsResponse, func (mr *MockCreatePartitionsResponse) For(reqBody versionedDecoder) encoder, func NewMockCreateTopicsResponse(t TestReporter) *MockCreateTopicsResponse, func (mr *MockCreateTopicsResponse) For(reqBody versionedDecoder) encoder, func NewMockDeleteAclsResponse(t TestReporter) *MockDeleteAclsResponse, func (mr *MockDeleteAclsResponse) For(reqBody versionedDecoder) encoder, func NewMockDeleteRecordsResponse(t TestReporter) *MockDeleteRecordsResponse, func (mr *MockDeleteRecordsResponse) For(reqBody versionedDecoder) encoder, func NewMockDeleteTopicsResponse(t TestReporter) *MockDeleteTopicsResponse, func (mr *MockDeleteTopicsResponse) For(reqBody versionedDecoder) encoder, func NewMockDescribeConfigsResponse(t TestReporter) *MockDescribeConfigsResponse, func (mr *MockDescribeConfigsResponse) For(reqBody versionedDecoder) encoder, func NewMockFetchResponse(t TestReporter, batchSize int) *MockFetchResponse, func (mfr *MockFetchResponse) For(reqBody versionedDecoder) encoder, func (mfr *MockFetchResponse) SetHighWaterMark(topic string, partition int32, offset int64) *MockFetchResponse, func (mfr *MockFetchResponse) SetMessage(topic string, partition int32, offset int64, msg Encoder) *MockFetchResponse, func (mfr *MockFetchResponse) SetVersion(version int16) *MockFetchResponse, func NewMockFindCoordinatorResponse(t TestReporter) *MockFindCoordinatorResponse, func (mr *MockFindCoordinatorResponse) For(reqBody versionedDecoder) encoder, func (mr *MockFindCoordinatorResponse) SetCoordinator(coordinatorType CoordinatorType, group string, broker *MockBroker) *MockFindCoordinatorResponse, func (mr *MockFindCoordinatorResponse) SetError(coordinatorType CoordinatorType, group string, kerror KError) *MockFindCoordinatorResponse, func NewMockListAclsResponse(t TestReporter) *MockListAclsResponse, func (mr *MockListAclsResponse) For(reqBody versionedDecoder) encoder, func NewMockMetadataResponse(t TestReporter) *MockMetadataResponse, func (mmr *MockMetadataResponse) For(reqBody versionedDecoder) encoder, func (mmr *MockMetadataResponse) SetBroker(addr string, brokerID int32) *MockMetadataResponse, func (mmr *MockMetadataResponse) SetController(brokerID int32) *MockMetadataResponse, func (mmr *MockMetadataResponse) SetLeader(topic string, partition, brokerID int32) *MockMetadataResponse, func NewMockOffsetCommitResponse(t TestReporter) *MockOffsetCommitResponse, func (mr *MockOffsetCommitResponse) For(reqBody versionedDecoder) encoder, func (mr *MockOffsetCommitResponse) SetError(group, topic string, partition int32, kerror KError) *MockOffsetCommitResponse, func NewMockOffsetFetchResponse(t TestReporter) *MockOffsetFetchResponse, func (mr *MockOffsetFetchResponse) For(reqBody versionedDecoder) encoder, func (mr *MockOffsetFetchResponse) SetOffset(group, topic string, partition int32, offset int64, metadata string, ) *MockOffsetFetchResponse, func NewMockOffsetResponse(t TestReporter) *MockOffsetResponse, func (mor *MockOffsetResponse) For(reqBody versionedDecoder) encoder, func (mor *MockOffsetResponse) SetOffset(topic string, partition int32, time, offset int64) *MockOffsetResponse, func (mor *MockOffsetResponse) SetVersion(version int16) *MockOffsetResponse, func NewMockProduceResponse(t TestReporter) *MockProduceResponse, func (mr *MockProduceResponse) For(reqBody versionedDecoder) encoder, func (mr *MockProduceResponse) SetError(topic string, partition int32, kerror KError) *MockProduceResponse, func (mr *MockProduceResponse) SetVersion(version int16) *MockProduceResponse, func NewMockSequence(responses interface{}) *MockSequence, func (mc *MockSequence) For(reqBody versionedDecoder) (res encoder), func NewMockWrapper(res encoder) *MockWrapper, func (mw *MockWrapper) For(reqBody versionedDecoder) (res encoder), func (r *OffsetCommitRequest) AddBlock(topic string, partitionID int32, offset int64, timestamp int64, ), func (r *OffsetCommitRequest) Offset(topic string, partitionID int32) (int64, string, error), func (r *OffsetCommitResponse) AddError(topic string, partition int32, kerror KError), func (r *OffsetFetchRequest) AddPartition(topic string, partitionID int32), func (r *OffsetFetchRequest) ZeroPartitions(), func (r *OffsetFetchResponse) AddBlock(topic string, partition int32, block *OffsetFetchResponseBlock), func (r *OffsetFetchResponse) GetBlock(topic string, partition int32) *OffsetFetchResponseBlock, func NewOffsetManagerFromClient(group string, client Client) (OffsetManager, error), func (r *OffsetRequest) AddBlock(topic string, partitionID int32, time int64, maxOffsets int32), func (r *OffsetRequest) ReplicaID() int32, func (r *OffsetRequest) SetReplicaID(id int32), func (r *OffsetResponse) AddTopicPartition(topic string, partition int32, offset int64), func (r *OffsetResponse) GetBlock(topic string, partition int32) *OffsetResponseBlock, func (err PacketDecodingError) Error() string, func (err PacketEncodingError) Error() string, func NewHashPartitioner(topic string) Partitioner, func NewManualPartitioner(topic string) Partitioner, func NewRandomPartitioner(topic string) Partitioner, func NewReferenceHashPartitioner(topic string) Partitioner, func NewRoundRobinPartitioner(topic string) Partitioner, func NewCustomHashPartitioner(hasher func() hash.Hash32) PartitionerConstructor, func NewCustomPartitioner(options HashPartitionerOption) PartitionerConstructor, func (r *ProduceRequest) AddBatch(topic string, partition int32, batch *RecordBatch), func (r *ProduceRequest) AddMessage(topic string, partition int32, msg *Message), func (r *ProduceRequest) AddSet(topic string, partition int32, set *MessageSet), func (r *ProduceResponse) AddTopicPartition(topic string, partition int32, err KError), func (r *ProduceResponse) GetBlock(topic string, partition int32) *ProduceResponseBlock, func (s StringEncoder) Encode() ([]byte, error), func (r *SyncGroupRequest) AddGroupAssignment(memberId string, memberAssignment []byte), func (r *SyncGroupRequest) AddGroupAssignmentMember(memberId string, memberAssignment *ConsumerGroupMemberAssignment) error, func (r *SyncGroupResponse) GetMemberAssignment() (*ConsumerGroupMemberAssignment, error), func NewSyncProducer(addrs []string, config *Config) (SyncProducer, error), func NewSyncProducerFromClient(client Client) (SyncProducer, error), https://issues.apache.org/jira/browse/KAFKA-2063, https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/acl/AclOperation.java, https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/acl/AclPermissionType.java, https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/resource/ResourceType.java, https://kafka.apache.org/documentation/#intro_consumers, https://cwiki.apache.org/confluence/display/KAFKA/KIP-74%3A+Add+Fetch+Response+Size+Limit+in+Bytes, https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-ErrorCodes, API documentation and examples are available via.

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