func NewElodinaTransportScheduler(config ElodinaTransportSchedulerConfig) *ElodinaTransportScheduler {
connectorConfig := siesta.NewConnectorConfig()
connectorConfig.BrokerList = config.ConsumerConfig.BrokerList
connectorConfig.ClientID = config.ConsumerConfig.ClientID
connectorConfig.CommitOffsetBackoff = config.ConsumerConfig.CommitOffsetBackoff
connectorConfig.CommitOffsetRetries = config.ConsumerConfig.CommitOffsetRetries
connectorConfig.ConnectTimeout = config.ConsumerConfig.ConnectTimeout
connectorConfig.ConsumerMetadataBackoff = config.ConsumerConfig.ConsumerMetadataBackoff
connectorConfig.ConsumerMetadataRetries = config.ConsumerConfig.ConsumerMetadataRetries
connectorConfig.FetchMaxWaitTime = config.ConsumerConfig.FetchMaxWaitTime
connectorConfig.FetchMinBytes = config.ConsumerConfig.FetchMinBytes
connectorConfig.FetchSize = config.ConsumerConfig.FetchSize
connectorConfig.KeepAlive = config.ConsumerConfig.KeepAlive
connectorConfig.KeepAliveTimeout = config.ConsumerConfig.KeepAliveTimeout
connectorConfig.MaxConnections = config.ConsumerConfig.MaxConnections
connectorConfig.MaxConnectionsPerBroker = config.ConsumerConfig.MaxConnectionsPerBroker
connectorConfig.MetadataBackoff = config.ConsumerConfig.MetadataBackoff
connectorConfig.MetadataRetries = config.ConsumerConfig.MetadataRetries
connectorConfig.ReadTimeout = config.ConsumerConfig.ReadTimeout
connectorConfig.WriteTimeout = config.ConsumerConfig.WriteTimeout
kafkaClient, err := siesta.NewDefaultConnector(connectorConfig)
if err != nil {
panic(err)
}
scheduler := &ElodinaTransportScheduler{
config: &config,
taskIdToTaskState: make(map[string]*ElodinaTransport),
kafkaClient: kafkaClient,
}
scheduler.TakenTopicPartitions = consumer.NewTopicAndPartitionSet()
return scheduler
}
func testSiesta(brokerList string, topic string, partition int32, seconds int) {
stop := false
config := siesta.NewConnectorConfig()
config.BrokerList = strings.Split(brokerList, ",")
connector, err := siesta.NewDefaultConnector(config)
if err != nil {
panic(err)
}
messageChannel := make(chan []*siesta.MessageAndMetadata, 10000)
count := 0
go func() {
for {
messages := <-messageChannel
count += len(messages)
}
}()
//warm up
fmt.Println("warming up")
for i := 0; i < 5; i++ {
connector.Fetch(topic, partition, 0)
}
fmt.Println("warm up finished, starting")
go func() {
time.Sleep(time.Duration(seconds) * time.Second)
stop = true
}()
offset := int64(0)
for !stop {
response, err := connector.Fetch(topic, partition, offset)
if err != nil {
panic(err)
}
messages, err := response.GetMessages()
if err != nil {
panic(err)
}
messageChannel <- messages
offset = messages[len(messages)-1].Offset
}
fmt.Printf("%d within %d secnods\n", count, seconds)
fmt.Printf("%d average\n", count/seconds)
}
func main() {
config := siesta.NewConnectorConfig()
config.BrokerList = []string{"localhost:9092"}
connector, err := siesta.NewDefaultConnector(config)
if err != nil {
panic(err)
}
producerConfig := &siesta.ProducerConfig{
BatchSize: 10000,
ClientID: "siesta",
MaxRequests: 10,
SendRoutines: 10,
ReceiveRoutines: 10,
ReadTimeout: 5 * time.Second,
WriteTimeout: 5 * time.Second,
RequiredAcks: 1,
AckTimeoutMs: 2000,
Linger: 1 * time.Second,
}
producer := siesta.NewKafkaProducer(producerConfig, siesta.ByteSerializer, siesta.StringSerializer, connector)
metadataChannel := make(chan interface{}, 10000)
count := 0
start := time.Now()
for i := 0; i < 10; i++ {
go func() {
for {
<-metadataChannel
count++
elapsed := time.Since(start)
if elapsed.Seconds() >= 1 {
fmt.Println(fmt.Sprintf("Per Second %d", count))
count = 0
start = time.Now()
}
}
}()
}
for {
producer.Send(&siesta.ProducerRecord{Topic: "pr1", Value: "hello world"})
metadataChannel <- nil
}
}
// This will be called right after connecting to ConsumerCoordinator so this client can initialize itself
// with bootstrap broker list for example. May return an error to signal this client is unable to work with given configuration.
func (this *SiestaClient) Initialize() error {
bootstrapBrokers, err := BootstrapBrokers(this.config.Coordinator)
if err != nil {
return err
}
connectorConfig := siesta.NewConnectorConfig()
connectorConfig.BrokerList = bootstrapBrokers
connectorConfig.ReadTimeout = this.config.SocketTimeout
connectorConfig.WriteTimeout = this.config.SocketTimeout
connectorConfig.ConnectTimeout = this.config.SocketTimeout
connectorConfig.FetchSize = this.config.FetchMessageMaxBytes
connectorConfig.ClientID = this.config.Clientid
this.connector, err = siesta.NewDefaultConnector(connectorConfig)
if err != nil {
return err
}
return nil
}
func (e *Executor) newProducer(valueSerializer func(interface{}) ([]byte, error)) (*siesta.KafkaProducer, error) {
producerConfig, err := siesta.ProducerConfigFromFile(Config.ProducerProperties)
if err != nil {
return nil, err
}
c, err := cfg.LoadNewMap(Config.ProducerProperties)
if err != nil {
return nil, err
}
connectorConfig := siesta.NewConnectorConfig()
connectorConfig.BrokerList = strings.Split(c["bootstrap.servers"], ",")
connector, err := siesta.NewDefaultConnector(connectorConfig)
if err != nil {
return nil, err
}
return siesta.NewKafkaProducer(producerConfig, siesta.ByteSerializer, valueSerializer, connector), nil
}
func NewPartitionConsumer(consumerConfig PartitionConsumerConfig) *PartitionConsumer {
connectorConfig := siesta.NewConnectorConfig()
connectorConfig.BrokerList = consumerConfig.BrokerList
connectorConfig.ClientID = consumerConfig.ClientID
connectorConfig.CommitOffsetBackoff = consumerConfig.CommitOffsetBackoff
connectorConfig.CommitOffsetRetries = consumerConfig.CommitOffsetRetries
connectorConfig.ConnectTimeout = consumerConfig.ConnectTimeout
connectorConfig.ConsumerMetadataBackoff = consumerConfig.ConsumerMetadataBackoff
connectorConfig.ConsumerMetadataRetries = consumerConfig.ConsumerMetadataRetries
connectorConfig.FetchMaxWaitTime = consumerConfig.FetchMaxWaitTime
connectorConfig.FetchMinBytes = consumerConfig.FetchMinBytes
connectorConfig.FetchSize = consumerConfig.FetchSize
connectorConfig.KeepAlive = consumerConfig.KeepAlive
connectorConfig.KeepAliveTimeout = consumerConfig.KeepAliveTimeout
connectorConfig.MaxConnections = consumerConfig.MaxConnections
connectorConfig.MaxConnectionsPerBroker = consumerConfig.MaxConnectionsPerBroker
connectorConfig.MetadataBackoff = consumerConfig.MetadataBackoff
connectorConfig.MetadataRetries = consumerConfig.MetadataRetries
connectorConfig.ReadTimeout = consumerConfig.ReadTimeout
connectorConfig.WriteTimeout = consumerConfig.WriteTimeout
kafkaClient, err := siesta.NewDefaultConnector(connectorConfig)
if err != nil {
panic(err)
}
consumer := &PartitionConsumer{
config: consumerConfig,
kafkaClient: kafkaClient,
fetchers: make(map[string]map[int32]*FetcherState),
}
commitTimer := time.NewTimer(consumerConfig.CommitInterval)
go func() {
for {
select {
case <-commitTimer.C:
{
for topic, partitions := range consumer.fetchers {
for partition, fetcherState := range partitions {
offsetToCommit := fetcherState.GetOffset()
if offsetToCommit > fetcherState.LastCommitted {
err := consumer.kafkaClient.CommitOffset(consumer.config.Group, topic, partition, offsetToCommit)
if err != nil {
log.Logger.Warn("Failed to commit offset: %s", err.Error())
}
}
if fetcherState.Removed {
inLock(&consumer.fetchersLock, func() {
if consumer.fetchers[topic][partition].Removed {
delete(consumer.fetchers[topic], partition)
}
})
}
}
}
commitTimer.Reset(consumerConfig.CommitInterval)
}
}
}
}()
return consumer
}