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All consumers share the same group for load balancing across partitions

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chrislu
2025-10-13 19:43:09 -07:00
parent e00c6ca949
commit fba4fc3a7d
1 changed files with 4 additions and 3 deletions
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7
test/kafka/kafka-client-loadtest/internal/consumer/consumer.go
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@@ -39,7 +39,8 @@ type Consumer struct {
// New creates a new consumer instance // New creates a new consumer instance
func New(cfg *config.Config, collector *metrics.Collector, id int) (*Consumer, error) { func New(cfg *config.Config, collector *metrics.Collector, id int) (*Consumer, error) {
consumerGroup := fmt.Sprintf("%s-%d", cfg.Consumers.GroupPrefix, id) // All consumers share the same group for load balancing across partitions
consumerGroup := cfg.Consumers.GroupPrefix
c := &Consumer{ c := &Consumer{
id: id, id: id,
@@ -226,9 +227,9 @@ func (c *Consumer) runSaramaConsumer(ctx context.Context) {
log.Printf("Consumer %d: Error consuming: %v", c.id, err) log.Printf("Consumer %d: Error consuming: %v", c.id, err)
c.metricsCollector.RecordConsumerError() c.metricsCollector.RecordConsumerError()
// Wait before retrying // Wait briefly before retrying (reduced from 5s to 1s for faster recovery)
select { select {
case <-time.After(5 * time.Second): case <-time.After(1 * time.Second):
case <-ctx.Done(): case <-ctx.Done():
return return
} }