error on kafka produce failure

docker-compose.yml

@@ -87,6 +87,8 @@ services:
       KAFKA_LOG_DIRS: /tmp/kraft-combined-logs
       KAFKA_LOG_CLEANUP_POLICY: compact
       KAFKA_LOG_SEGMENT_MS: 10000
+      KAFKA_MESSAGE_MAX_BYTES: 104857600
+      KAFKA_REPLICA_FETCH_MAX_BYTES: 104857600
       CLUSTER_ID: MkU3OEVBNTcwNTJENDM2Qk
     profiles:
       - streaming

internal/publisher/publisher.go

@@ -65,7 +65,7 @@ func (p *Publisher) initialize() error {
 		kgo.ProducerBatchCompression(kgo.SnappyCompression()),
 		kgo.ClientID(fmt.Sprintf("insight-indexer-%s", config.Cfg.RPC.ChainID)),
 		kgo.MaxBufferedRecords(1_000_000),
-		kgo.ProducerBatchMaxBytes(16_000_000),
+		kgo.ProducerBatchMaxBytes(100 * 1024 * 1024), // 100MB
 		kgo.RecordPartitioner(kgo.UniformBytesPartitioner(1_000_000, false, false, nil)),
 		kgo.MetadataMaxAge(60 * time.Second),
 		kgo.DialTimeout(10 * time.Second),

internal/storage/kafka_publisher.go

@@ -69,7 +69,7 @@ func NewKafkaPublisher(cfg *config.KafkaConfig) (*KafkaPublisher, error) {
 		kgo.TransactionalID(fmt.Sprintf("insight-producer-%s", chainID)),
 		kgo.MaxBufferedBytes(2 * 1024 * 1024 * 1024), // 2GB
 		kgo.MaxBufferedRecords(1_000_000),
-		kgo.ProducerBatchMaxBytes(16_000_000),
+		kgo.ProducerBatchMaxBytes(100 * 1024 * 1024), // 100MB
 		kgo.RecordPartitioner(kgo.ManualPartitioner()),
 		kgo.ProduceRequestTimeout(30 * time.Second),
 		kgo.MetadataMaxAge(60 * time.Second),
@@ -161,9 +161,23 @@ func (p *KafkaPublisher) publishMessages(ctx context.Context, messages []*kgo.Re
 		return fmt.Errorf("failed to begin transaction: %v", err)
 	}
 
+	// Track if any produce errors occur
+	var produceErrors []error
+	var produceErrorsMu sync.Mutex
+	var wg sync.WaitGroup
+
 	// Produce all messages in the transaction
 	for _, msg := range messages {
-		p.client.Produce(ctx, msg, nil)
+		wg.Add(1)
+		p.client.Produce(ctx, msg, func(r *kgo.Record, err error) {
+			defer wg.Done()
+			if err != nil {
+				log.Error().Err(err).Any("headers", r.Headers).Msg("KAFKA PUBLISHER::publishMessages::err")
+				produceErrorsMu.Lock()
+				produceErrors = append(produceErrors, err)
+				produceErrorsMu.Unlock()
+			}
+		})
 	}
 
 	// Flush all messages
@@ -172,6 +186,18 @@ func (p *KafkaPublisher) publishMessages(ctx context.Context, messages []*kgo.Re
 		return fmt.Errorf("failed to flush messages: %v", err)
 	}
 
+	// Wait for all callbacks to complete
+	wg.Wait()
+
+	// Check if any produce errors occurred
+	hasErrors := len(produceErrors) > 0
+
+	if hasErrors {
+		// Abort the transaction if any produce errors occurred
+		p.client.EndTransaction(ctx, kgo.TryAbort)
+		return fmt.Errorf("transaction aborted due to produce errors: %v", produceErrors)
+	}
+
 	// Commit the transaction
 	if err := p.client.EndTransaction(ctx, kgo.TryCommit); err != nil {
 		return fmt.Errorf("failed to commit transaction: %v", err)