You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.3 KiB
86 lines
2.3 KiB
package main
|
|
|
|
import (
|
|
"context"
|
|
"log"
|
|
"time"
|
|
|
|
"github.com/IBM/sarama"
|
|
)
|
|
|
|
func main() {
|
|
log.Println("=== Testing OffsetFetch with Debug Sarama ===")
|
|
|
|
config := sarama.NewConfig()
|
|
config.Version = sarama.V2_8_0_0
|
|
config.Consumer.Return.Errors = true
|
|
config.Consumer.Offsets.Initial = sarama.OffsetOldest
|
|
config.Consumer.Offsets.AutoCommit.Enable = true
|
|
config.Consumer.Offsets.AutoCommit.Interval = 100 * time.Millisecond
|
|
config.Consumer.Group.Session.Timeout = 30 * time.Second
|
|
config.Consumer.Group.Heartbeat.Interval = 3 * time.Second
|
|
|
|
brokers := []string{"localhost:9093"}
|
|
group := "test-offset-fetch-group"
|
|
topics := []string{"loadtest-topic-0"}
|
|
|
|
log.Printf("Creating consumer group: group=%s brokers=%v topics=%v", group, brokers, topics)
|
|
|
|
consumerGroup, err := sarama.NewConsumerGroup(brokers, group, config)
|
|
if err != nil {
|
|
log.Fatalf("Failed to create consumer group: %v", err)
|
|
}
|
|
defer consumerGroup.Close()
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
|
|
defer cancel()
|
|
|
|
handler := &testHandler{}
|
|
|
|
log.Println("Starting consumer group session...")
|
|
log.Println("Watch for 🔍 [SARAMA-DEBUG] logs to trace OffsetFetch calls")
|
|
|
|
go func() {
|
|
for {
|
|
if err := consumerGroup.Consume(ctx, topics, handler); err != nil {
|
|
log.Printf("Error from consumer: %v", err)
|
|
}
|
|
if ctx.Err() != nil {
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
|
|
// Wait for context to be done
|
|
<-ctx.Done()
|
|
log.Println("Test completed")
|
|
}
|
|
|
|
type testHandler struct{}
|
|
|
|
func (h *testHandler) Setup(session sarama.ConsumerGroupSession) error {
|
|
log.Printf("✓ Consumer group session setup: generation=%d memberID=%s", session.GenerationID(), session.MemberID())
|
|
return nil
|
|
}
|
|
|
|
func (h *testHandler) Cleanup(session sarama.ConsumerGroupSession) error {
|
|
log.Println("Consumer group session cleanup")
|
|
return nil
|
|
}
|
|
|
|
func (h *testHandler) ConsumeClaim(session sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {
|
|
log.Printf("✓ Started consuming: topic=%s partition=%d offset=%d", claim.Topic(), claim.Partition(), claim.InitialOffset())
|
|
|
|
count := 0
|
|
for message := range claim.Messages() {
|
|
count++
|
|
log.Printf(" Received message #%d: offset=%d", count, message.Offset)
|
|
session.MarkMessage(message, "")
|
|
|
|
if count >= 5 {
|
|
log.Println("Received 5 messages, stopping")
|
|
return nil
|
|
}
|
|
}
|
|
return nil
|
|
}
|