{"id":4186,"date":"2023-11-04T23:14:07","date_gmt":"2023-11-04T23:14:07","guid":{"rendered":"http:\/\/localhost:10003\/working-with-apache-kafka\/"},"modified":"2023-11-05T05:47:57","modified_gmt":"2023-11-05T05:47:57","slug":"working-with-apache-kafka","status":"publish","type":"post","link":"http:\/\/localhost:10003\/working-with-apache-kafka\/","title":{"rendered":"Working with Apache Kafka"},"content":{"rendered":"

Working with Apache Kafka: A Tutorial<\/h1>\n

Apache Kafka is a distributed streaming platform that enables the building of real-time data streaming applications. As a highly scalable and fault-tolerant platform, Kafka can handle large volumes of data and can be used across several industries, including finance, healthcare, and e-commerce. In this tutorial, we will be working with Apache Kafka and highlighting its key features and functionalities.<\/p>\n

Setting up Apache Kafka<\/h2>\n

To set up Apache Kafka on your machine, you will need to perform the following steps:<\/p>\n

    \n
  1. Download the Apache Kafka binary from the Apache Kafka website.<\/li>\n
  2. Extract the binary to a directory of your choice.<\/li>\n
  3. Navigate to the extracted directory and start the ZooKeeper service by entering the following command in your terminal:<\/li>\n<\/ol>\n
    bin\/zookeeper-server-start.sh config\/zookeeper.properties\n<\/code><\/pre>\n
      \n
    1. Next, start the Kafka broker by entering the following command in a separate terminal window:<\/li>\n<\/ol>\n
      bin\/kafka-server-start.sh config\/server.properties\n<\/code><\/pre>\n
      This will start the Kafka broker on your local machine.<\/p>\n
      Creating a Kafka topic<\/h2>\n
      After setting up Kafka, the next step is to create a Kafka topic. A Kafka topic is a logical partition or category for data streams. To create a Kafka topic, enter the following command in your terminal:<\/p>\n
      bin\/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic my-topic\n<\/code><\/pre>\n
      The above command creates a Kafka topic with the name my-topic<\/code>, a replication factor of 1<\/code>, and a partition of 1<\/code>. These settings can be modified based on your specific use case.<\/p>\n
      Sending and receiving messages with Kafka<\/h2>\n
      To send messages to a Kafka topic, you can use the Kafka producer API. The producer API allows you to build a producer that can send messages to a Kafka topic. Here is a sample code snippet for sending messages to a Kafka topic:<\/p>\n
      from kafka import KafkaProducer\n\nproducer = KafkaProducer(bootstrap_servers=['localhost:9092'])\n\ndef on_send_success(record_metadata):\n    print(f'Topic: {record_metadata.topic}')\n    print(f'Partition: {record_metadata.partition}')\n    print(f'Offset: {record_metadata.offset}')\n\nproducer.send('my-topic', b'message').add_callback(on_send_success)\n<\/code><\/pre>\n
      In the above code snippet, we create an instance of the KafkaProducer<\/code> class and initialize it with a list of bootstrap servers. We then define a callback function to print out the topic, partition, and offset of each sent message. Finally, we send a message to the my-topic<\/code> Kafka topic and pass in the on_send_success<\/code> callback function.<\/p>\n
      To receive messages from a Kafka topic, you can use the Kafka consumer API. The consumer API allows you to build a consumer that can receive messages from a Kafka topic. Here is a sample code snippet for receiving messages from a Kafka topic:<\/p>\n
      from kafka import KafkaConsumer\n\nconsumer = KafkaConsumer('my-topic', bootstrap_servers=['localhost:9092'])\n\nfor message in consumer:\n    print(f'Topic: {message.topic}')\n    print(f'Partition: {message.partition}')\n    print(f'Offset: {message.offset}')\n    print(f'Key: {message.key}')\n    print(f'Value: {message.value}')\n    print('n')\n<\/code><\/pre>\n
      In the above code snippet, we create an instance of the KafkaConsumer<\/code> class and initialize it with the my-topic<\/code> Kafka topic and a list of bootstrap servers. We then loop through the received messages and print out the topic, partition, offset, key, and value of each message.<\/p>\n
      Key features of Apache Kafka<\/h2>\n
      Apache Kafka provides several key features that make it a popular choice for building real-time data streaming applications. The following are some of the key features of Apache Kafka:<\/p>\n
      Scalability<\/h3>\n
      Apache Kafka is highly scalable and can handle large volumes of data streams. Kafka is horizontally scalable, meaning that you can add more Kafka brokers to your cluster to increase its capacity.<\/p>\n
      Fault-tolerance<\/h3>\n
      Apache Kafka is a distributed system that can withstand failures and ensure that data is not lost. Kafka stores data in partitions in a distributed manner, ensuring that data is replicated across multiple nodes in the cluster.<\/p>\n
      Low latency<\/h3>\n
      Apache Kafka provides low-latency data streaming, making it suitable for real-time data streaming applications. Kafka allows for sub-millisecond latency and can handle thousands of messages per second.<\/p>\n
      Durability<\/h3>\n
      Apache Kafka is a durable platform that can store and retain data for a specified period. Kafka can store data for days, weeks, or even months, depending on your specific use case.<\/p>\n
      Real-time data processing<\/h3>\n
      Apache Kafka enables real-time data processing, making it possible to build real-time data streaming applications. Kafka allows for the processing of data streams in real-time, which is critical for real-time data analytics, fraud detection, and other similar use cases.<\/p>\n
      Conclusion<\/h2>\n
      Apache Kafka is a powerful platform for building real-time data streaming applications. This tutorial has covered the basics of working with Kafka, including setting up Kafka, creating a Kafka topic, sending and receiving messages with Kafka, and highlighting some of the key features of Apache Kafka. With its scalability, fault-tolerance, low latency, durability, and real-time data processing capabilities, Apache Kafka is a popular choice for real-time data streaming applications across several industries.<\/p>\n","protected":false},"excerpt":{"rendered":"
      Working with Apache Kafka: A Tutorial Apache Kafka is a distributed streaming platform that enables the building of real-time data streaming applications. As a highly scalable and fault-tolerant platform, Kafka can handle large volumes of data and can be used across several industries, including finance, healthcare, and e-commerce. In this Continue Reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[1599,1606,1598,1607,1609,1602,1605,1610,1603,1608,1604,1601,1600,1597],"yoast_head":"\nWorking with Apache Kafka - Pantherax Blogs<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/localhost:10003\/working-with-apache-kafka\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Working with Apache Kafka\" \/>\n<meta property=\"og:description\" content=\"Working with Apache Kafka: A Tutorial Apache Kafka is a distributed streaming platform that enables the building of real-time data streaming applications. 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