[GitHub] [beam] aromanenko-dev opened a new issue, #26262: [Task]: Potential performance regression in KafkaIO and schema registry

["aromanenko-dev (via GitHub)" <gi...@apache.org>]

aromanenko-dev opened a new issue, #26262:
URL: https://github.com/apache/beam/issues/26262

   ### What needs to happen?
   
   From [email thread](https://lists.apache.org/thread/97dkw2rc4tf1f0gfmnfgdfgdg7nvbwmw):
   
   "I am trying to understand the effect of schema registry on our pipeline's performance. In order to do sowe created a very simple pipeline that reads from kafka, runs a simple transformation of adding new field and writes of kafka.  the messages are in avro format
   
   I ran this pipeline with 3 different options on same configuration : 1 kafka partition, 1 task manager, 1 slot, 1 parallelism:
   
   * when i used apicurio as the schema registry i was able to process only 2000 messages per second
   * when i used confluent schema registry i was able to process 7000 messages per second
   * when I did not use any schema registry and used plain avro deserializer/serializer i was able to process 30K messages per second.
   
   ```
   KafkaIO.<String, T>read()
           .withBootstrapServers(bootstrapServers)
           .withTopic(topic)
           .withConsumerConfigUpdates(Map.ofEntries(
                   Map.entry("schema.registry.url", registryURL),
                   Map.entry(ConsumerConfig.GROUP_ID_CONFIG, consumerGroup+ UUID.randomUUID()),
           ))
           .withKeyDeserializer(StringDeserializer.class)
           .withValueDeserializerAndCoder((Class) io.confluent.kafka.serializers.KafkaAvroDeserializer.class, AvroCoder.of(avroClass));
   ```
   
    
   
   I have made the suggested change and used `ConfluentSchemaRegistryDeserializerProvider`
   the results are slightly  better.. average of 8000 msg/sec "
   
   ### Issue Priority
   
   Priority: 2 (default / most normal work should be filed as P2)
   
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Re: [I] [Bug]: Potential performance regression in KafkaIO and schema registry [beam]

["sigalite (via GitHub)" <gi...@apache.org>]

sigalite commented on issue #26262:
URL: https://github.com/apache/beam/issues/26262#issuecomment-1763370468

   any update on this issue?


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