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What are the best Apache Kafka interview questions and answers for experienced?

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Pragya Keshap answered on February 6, 2023 Popularity 6/10 Helpfulness 2/10

answer What are the best Apache Kafka interview questions and answers for experienced?

What are the best Apache Kafka interview questions and answers for experienced?

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Here are some of the best Apache Kafka interview questions and answers for experienced-

What is Apache Kafka?

What are topics in Kafka?

What are the major features of Apache Kafka?

What are the main APIs of Kafka?

What is the role of the Zookeeper in Kafka?

Name the main components of Kafka.

Define Partitions in Kafka.

Explain consumer group in Kafka.

What is the method of starting a Kafka server?

What are znodes in Kafka Zookeeper?

@Configuration
@EnableKafka
public class Config {

    @Bean
    ConcurrentKafkaListenerContainerFactory<Integer, String>
                        kafkaListenerContainerFactory(ConsumerFactory<Integer, String> consumerFactory) {
        ConcurrentKafkaListenerContainerFactory<Integer, String> factory =
                                new ConcurrentKafkaListenerContainerFactory<>();
        factory.setConsumerFactory(consumerFactory);
        return factory;
    }

    @Bean
    public ConsumerFactory<Integer, String> consumerFactory() {
        return new DefaultKafkaConsumerFactory<>(consumerProps());
    }

    private Map<String, Object> consumerProps() {
        Map<String, Object> props = new HashMap<>();
        props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
        props.put(ConsumerConfig.GROUP_ID_CONFIG, "group");
        props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, IntegerDeserializer.class);
        props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);
        props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
        // ...
        return props;
    }

    @Bean
    public Sender sender(KafkaTemplate<Integer, String> template) {
        return new Sender(template);
    }

    @Bean
    public Listener listener() {
        return new Listener();
    }

    @Bean
    public ProducerFactory<Integer, String> producerFactory() {
        return new DefaultKafkaProducerFactory<>(senderProps());
    }

    private Map<String, Object> senderProps() {
        Map<String, Object> props = new HashMap<>();
        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
        props.put(ProducerConfig.LINGER_MS_CONFIG, 10);
        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, IntegerSerializer.class);
        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
        //...
        return props;
    }

    @Bean
    public KafkaTemplate<Integer, String> kafkaTemplate(ProducerFactory<Integer, String> producerFactory) {
        return new KafkaTemplate<Integer, String>(producerFactory);
    }

}

https://docs.spring.io/spring-kafka/reference/html/

Popularity 6/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: apache-kafka java

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Contributed on Feb 06 2023

Pragya Keshap

0 Answers Avg Quality 2/10

What are the best Apache Kafka interview questions and answers for experienced?

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