Kafka synchronous vs asynchronous producer. Real-World Use Cases of Kafka Apache Kafka is a .

Kafka synchronous vs asynchronous producer. Dec 9, 2022 · Publishing to Kafka — Synchronous vs Asynchronous Kafka is widely used for the asynchronous processing of events/messages. How would you design a system to guarantee exactly-once delivery in Kafka? ⏷ 16. type”参数指定，而oneway由“request. Among their benefits are the ability to optimize resource usage, more flexibility for scaling, and new ways to recover from failure without losing data. max. For a step-by-step guide on building a C/C++ client application for Kafka, see Getting Started with Apache Kafka and C/C++. I am trying to wrap my head around when you would prefer to use a Synchronous Producer over an Asynchronous Producer in production? It seems to me that it's almost always preferable to use an Async Producer, but certainly there must be some really strong use-cases for a Sync Producer in a production environment. In this blog, we’ll explore Kafka producer idempotence, how it works, and why it May 3, 2019 · What to Choose for Your Synchronous and Asynchronous Communication Needs—Redis Streams, Redis Pub/Sub, Kafka, etc. Explore the advantages and challenges associated with each mode, including reliability and latency. 2. Synchronous communication waits for a confirmation, while asynchronous sends the message without waiting. With async sends, we hand off the message and immediately return control to the user. A producer partitioner maps each Sep 7, 2023 · Synchronous Request-Response over Kafka with Redis Each message sent by a producer would include a unique correlation-id. Set up Kafka, publish and consume data seamlessly, and boost your app's efficiency. These events are often pushed through a messaging platform such as Apache Kafka. Zookeeper is up and Jul 23, 2024 · Use Produce for synchronous message production when blocking the calling thread is acceptable, and opt for ProduceAsync for asynchronous message production to achieve better responsiveness and performance. This blog post will delve into the details of the `flush` operation Oct 13, 2025 · When a user posts content on StreamSocial, the worst thing we could do is make them wait while we send messages to Kafka. Q: What happens if a Kafka producer fails to send a message? Oct 15, 2015 · Hi James, We are using Kafka-Net for our messaging system, we tested Producer to produce message to Kafka with Synchronous and Asynchronous mode. sendSync. Failure to close the producer after use will leak these resources. Jul 22, 2025 · Core Concepts Asynchronous vs Synchronous Producers Synchronous Producer: When you use a synchronous producer, the producer blocks until it receives an acknowledgment from the Kafka broker that the message has been successfully written. It does this through a delivery report callback (DR callback), which is triggered from the rd_kafka_poll() call. Why do you say that? Fear in my heart. Jan 18, 2025 · Apache Kafka is a powerful distributed event streaming platform, but ensuring reliable message delivery in distributed systems comes with challenges. Oct 6, 2024 · In this chapter, we will explore messaging queues like RabbitMQ and Kafka, synchronous vs asynchronous communication, event-driven architecture, event sourcing, and the role of message brokers in a publisher-subscriber system. Jul 23, 2025 · Flexibility: Asynchronous processing supports a variety of communication mechanisms and design patterns, making it adaptable to different needs. Async The librdkafka producer is completely asynchronous: it maintains a memory buffer where messages waiting to be sent or currently in flight May 21, 2024 · Kafka sync and async producer example in Golang 21/05/2024 - GO, KAFKA This is a simple sync and async Kafka producer example in Golang. Jul 13, 2017 · I'm using Spring-Kafka version 1. This is where idempotence comes into play. This blog Kafka Message producer with @Async. Sep 16, 2023 · SNS/SQS vs Kafka When building with distributed services and micro-services, your engineering organization has to adopt a pattern for inter-service communication. The following listing shows the relevant methods from KafkaTemplate: Aug 1, 2023 · Kafka Producer Components Illustrated Basic Setup Sending Messages The Simplest Way (fire-and-forget) Synchronous Send Asynchronous Send with a Callback The Simplest Way (fire-and-forget) Synchronous Send Asynchronous Send with a Callback Configurations Core Configurations Message Delivery Time Others Core Configurations Message Delivery Time Others Serializers Partitioners Headers Aug 20, 2015 · I assume you are know the basics (i. This blog post explores when (not) to use this message exchange pattern, the differences between synchronous and asynchronous communication, the pros and cons compared to CQRS and event sourcing, and how to implement request-response within the data streaming infrastructure. In this post we will create Java Producer and Consumer and perform produce & consume messages. But In Asynchronous mode it performs well than Synchronous. Traditional synchronous sends block the thread until Kafka acknowledges receipt—potentially 10-50ms per message. asynchronous messaging; point-to-point vs publish-subscribe messaging etc. The idea is not to explore the trade-offs over Kafka as technology or platform. Once the message is received and processed by the consumer, it will publish a response message back to Kafka with the same correlation-id. It wraps the synchronous $1 to provide an asynchronous A Learn how to send messages to Kafka topics using the Python Producer class. Jan 25, 2023 · Confluent Kafka Producer offers both a Sync and Async producing methods. require. Here we will explore how we can use the non-blocking approach to push data to Kafka, what is the impact, and what could be the concern points and how to take care May 21, 2024 · I know that synchronous sends sound dubious. If asks = 1 or all, does a Kafka producer need to wait for the ack respons Kafka Producer Design Apache Kafka® is an open-source distributed streaming system used for stream processing, real-time data pipelines, and data integration at scale. Jan 12, 2025 · Learn about the two primary modes of operation - synchronous and asynchronous - and how they impact data throughput and system performance. But not all communication is created equal. acks = -1 was supplied but isn't a known config. Learn to integrate Apache Kafka with Python asyncio web applications by building an asyncio-enabled Kafka producer, complete with code examples. producer. Feb 20, 2025 · Synchronous vs. May 14, 2025 · Synchronous vs Asynchronous Replication Trade-offs The choice between synchronous and asynchronous replication fundamentally shapes your DR architecture. Aug 1, 2017 · Apache Kafka and Publish/Subscribe messaging in general seeks to de-couple producers and consumers through the use of streaming async events. Why does Kafka use partitions, and how do partitions help with scalability? ⏷ 18. Kafka Tutorial: This tutorial covers advanced producer topics like custom serializers, producer interceptors, custom partitioners, timeout, record batching & linger, and compression. One such challenge is avoiding duplicate messages, which can occur due to retries, network issues, or broker failures. Today, we'll dive into the world of asynchronous communication, with a focus on a powerful tool that Jan 7, 2023 · In Kafka context, Asynchronous and asks concept are confusing for me, but I would like understand these concepts clearly. It seems to be the TCP timeout. Is it possible to asynchronously send Kafka messages, with a guarantee they will ALWAYS arrive safely and in the correct sequence? UPDATE 001 Dec 16, 2023 · This document presents an example of creating Kafka producers using Spring Boot and Spring Kafka. Consumer services can dump this data directly into their own database. While HTTP is commonly used for synchronous communication, it doesn Kafka study notes 5: Kafka producer synchronous and asynchronous, Programmer Sought, the best programmer technical posts sharing site. In this part we'll be learning about asynchronous communication, what are it's benefits, where to use it and also it's implementation (using Kafka). In this article, we explore how to implement a synchronous request-reply pattern using Kafka and Java, leveraging: Introduction The request Oct 14, 2025 · Quarkus Kafka Producer: A Comprehensive Guide In the world of modern microservices architecture, message - queuing systems play a crucial role in enabling asynchronous communication between different services. apache. I am aware of asynchronous mechanism in the context producer Invoking get () on this future will block until the associated request completes and then return the metadata for the record or throw any exception that occurred while sending the record. Most common choices are HTTP Mar 26, 2025 · Combining CompletableFuture and Kafka for End-to-End Asynchronous Processing To fully decouple request processing, combine CompletableFuture for async tasks and Kafka for event-driven communication. However, some use cases require synchronous interactions, where a client waits for a response after sending a request. Hello, I'll be working on a project where I've been asked to implement a Kafka producer and consumer as a means to ensure communication between two REST services A and B. ) As Kafka can produce greater capability than ActiveMQ in terms of scaling, our team started looking this option also. Increase the sequence number every time you Jul 23, 2025 · An Apache Kafka producer is an application client responsible for sending messages (data) to Kafka topics. Asynchronous communication is often preferred because it provides: Decoupling: Services operate independently, making the system more scalable. Oct 14, 2025 · Confluent Kafka is a powerful distributed streaming platform that enables high - throughput, low - latency data streaming. This approach is a little unconventional, so it’s important to carefully evaluate whether it aligns with the project’s architecture before implementing it in production. Additionally, tuning the producer's buffer memory and linger time can help balance throughput and latency. It's the beginning of a stream of data, which is employed to send real-time events such as clicks, transactions, or logs into the Kafka system so they can be consumed and processed by other services. At the heart of many Kafka applications is the ability to produce messages into Kafka topics. Can you compare synchronous vs. But it does address OP's request for a producer. It does not wait for any sort of acks. Aug 6, 2017 · If by "synchronous call" you mean that you want to wait until all consumers you are interested in have completed whatever action you want them to take as a result of the message, then yes, the answer does not provide a "synchronous RPC mechanism". If there’s an exception, the Producer throws an exception. The code is something like this: Sep 27, 2025 · There are two primary communication patterns: Synchronous Communication: Direct calls using HTTP/REST or gRPC. So m Feb 24, 2025 · Messages can be sent in three ways: Fire and forget – The producer sends the message without waiting for confirmation, ensuring maximum speed but risking data loss. Sep 29, 2025 · Apache Kafka is a distributed streaming platform designed for building real-time data pipelines and streaming applications. The idempotent producer strengthens Kafka's delivery semantics from at least once to exactly once delivery. It is known for its high throughput, low latency, fault tolerance, and scalability. How does leader-follower replication work in Kafka? To use Kafka for asynchronous messaging in Java, you'll need to set up a Kafka cluster and create a producer and consumer. Real-World Use Cases of Kafka Apache Kafka is a A Kafka client that publishes records to the Kafka cluster. 2 - synchronous producer, wait for the leader to acknowledge the write. python # Blocking (BAD for user experience) producer. This allows sending many records in parallel without blocking to wait for the response after each one. So today we will see the first of 3 cases to make this communication between the synchronous application more efficient depending your case. For example, in a microservices architecture, a service might need an immediate response from another service via Kafka. produce` method in Confluent Kafka is a fundamental operation that allows applications to send data to Kafka topics. Nov 20, 2024 · Apache Kafka for Asynchronous Messaging Apache Kafka is a distributed streaming platform that provides a robust solution for asynchronous messaging between microservices. The Kafka producer is conceptually much simpler than the consumer since it does not need group coordination. ProducerConfig - The configuration request. Conclusion While Kafka is best suited for asynchronous event streaming, using ReplyingKafkaTemplate in Spring Kafka allows us to implement a clean request-reply communication model. Implementing a Mar 9, 2024 · The Kafka producer serves various application needs, such as logging, metrics recording, and asynchronous communication, with different requirements for message reliability, latency, and throughput. Kafka is widely used for the asynchronous processing of events/messages. What’s the point of using an event-driven approach when you have to make things synchronous? But Kafka does let you send messages synchronously. https:// Mar 18, 2025 · Apache Kafka is designed for high-throughput, asynchronous communication, making it an excellent choice for event-driven architectures. Nov 28, 2024 · Asynchronous Kafka Consumption The key to achieving asynchronous Kafka consumption lies in the consumer_generator and consume functions. Jan 30, 2024 · Through this tutorial, you have learned how to set up Apache Kafka and write a simple producer in Python using kafka-python. Key Features and Components of the Example Spring Boot and Spring Kafka Integration This Aug 6, 2025 · By using ReplyingKafkaTemplate, we can convert the asynchronous nature of Apache Kafka into a synchronous request-reply pattern. C/C++ Client installation The C/C++ client named librdkafka is available in source form on GitHub and as precompiled binaries for Sep 24, 2020 · In microservices architecture, microservices can communicate with each other in several different ways. acks”参数指定。 1. 1 and, when the Kafka server is down/unreachable, the asynchronous send calls block for a time. Dec 4, 2019 · Introduction Knowing the performance of Kafka in general or on your hardware is an important part of capacity planning. So in this example I will build one producer and one consumer application using Apache Camel route. It provides a simple API for sending messages to a Kafka Topic and handling Jun 3, 2022 · How can I do request-response communication with Apache Kafka? That’s one of the most common questions I get regularly. This article delves into the architecture of Kafka, exploring its core components, functionalities, and the interactions between them. This guide will show you how to produce JSON objects to Jun 11, 2017 · The librdkafka produce () API (both C and C++) is asynchronous, your message will initially only be enqueued on the internal producer queue and only later (see the queue. The Asynchronous Producer (`Kafka::AsyncProducer`) is a non-blocking Kafka message producer that performs all operations in background threads. Jul 26, 2022 · 0 I am trying to wrap my head around when you might prefer to use a Synchronous Producer over an Asynchronous Producer in production. Aug 24, 2016 · 130 [NamedConnector-Monitor] WARN org. Kafka producers are responsible for sending data to Kafka topics. This section gives an overview of the Kafka producer and an introduction to the configuration settings for tuning. buffering. But the official advice: in general, one thread maintains a Kafka Nov 20, 2018 · kafka 有同步（sync）、异步（async）以及oneway这三种发送方式，某些概念上区分也可以分为同步和异步两种，同步和异步的发送方式通过“producer. Prerequisite: 1. architecture asynchronous distributed kafka microservices Asynchronous Communication with Apache Kafka In the world of distributed systems and microservices architecture, communication is key. Service A is supposed to publish to a topic, consume the message and then make a REST call to service B. Asynchronous Processing Here are the key differences between synchronous and asynchronous processing. required. By default, the Kafka client uses a blocking call to push Jun 10, 2021 · Based on my readings, Kafka with acks=0 basically just pushes the message into the producer buffer. If the leader crashes after acknowledging, but before any replica receives the data, the message will be lost. Your program calls produce() and then quickly exits Since the producer is asynchronous it needs a way to inform the application when a message has been delivered or permanently fails delivery. What you are describing is more like a batch job or a synchronous Remote Procedure Call (RPC) where the Producer and Consumer are explicitly coupled together. Topics: Synchronous Calls Jan 20, 2023 · Sample of Kafka usage in the context of an asynchronous communication scenario (producer and consumer basics implementation). At the heart of Kafka's publish-subscribe model lies the Kafka Producer, a critical client application responsible for publishing events to Kafka topics. Asynchronous Communication: Message-based communication using systems like Apache Kafka. Kafka producers. And in this domain, Apache Kafka is Kakfa: 08 --- Kakfa Producer (API Programming: Producer Overview, Creating Kafka Producers, Send Messages to Kafka (Synchronous, Asynchronous), Partition) First, the producer overview An application needs to write a message to Kafka in many cases:Record the user's activities (for auditing and analysis), record metrics, save log messages, record smart ho. We explored producing simple messages, using serialization for structured data, handling errors effectively, and sending synchronous and asynchronous messages. Aug 10, 2017 · This tutorial will teach you to use Java to create a Kafka producer, which allows you to publish records to the Kafka cluster synchronously and asynchronously. Asynchronous Events Overview Asynchronous events are a communication pattern that is used to build robust and scalable systems. However, be cautious when using synchronous patterns over Kafka—they should not replace standard Mar 7, 2025 · When dealing with high-throughput messaging systems, it’s essential to configure your Kafka Producer for both performance and usability. Sep 5, 2018 · In previous post we setup Kafka (Single & Multi broker) single node cluster and performed basic Kafka operations. Oct 28, 2020 · 0 I come across the following like about synchronous send from the producer. apache-kafka kafka-producer-api asked Jul 22, 2019 at 7:03 Azel 3851415 2 Answers Sorted by: 7 Kafka Producer Strategies | Kafka Tutorial | Kafka Message Producing | Kafka Fire and Forget | Kafka Synchronous Send | Kafka Asynchronous Send | Kafka Produ Oct 25, 2024 · Asynchronous Communication with Kafka Microservices are popular for enabling scalable, independently deployable applications. Mar 8, 2022 · Kafka is a powerful stream processing tool, but it's an asynchronous tool. Follow along as Dave Klein (Senior Developer Advocate, Confluent) covers all of this in detail. Robust Retry handling with commitAsync () In the book "Kafka - The Definitive Guide", there is a hint on how to mitigate the potential problem of commiting lower offsets due to an asynchronous commit: Retrying Async Commits: A simple pattern to get commit order right for asynchronous retries is to use a monotonically increasing sequence number. That’s when you realize: to scale, you need asynchronous architecture. The producer consists of a pool of buffer space that holds records that haven't yet been transmitted to the server as well as a background I/O thread that is responsible for turning these records into requests and transmitting them to the cluster. My data isn't streaming in nature. Just like our previous exploration of Postgres, getting the configuration right and understanding causality are key. Sizing can be hard to calculate, with different message sizes, retention periods, partitions, replica factor, network speeds and even synchronous vs asynchronous to pick from. This topic describes how Kafka producers are designed to enable load balancing and asynchronous send operations. This can limit the throughput of your application, especially when dealing with a high volume of messages. ms configuration property - default 1 second) be combined with other messages into a message batch (MessageSet) and sent to the broker from a background thread. Synchronous send – The producer waits for an acknowledgment from Kafka before proceeding, ensuring reliability but adding latency. What are Synchronous and Asynchronous? May 29, 2025 · 3. The producer can then send messages to a topic, and the consumer can asynchronously receive messages from the topic. Nov 2, 2021 · For example, Kafka writes messages on the topic heartbeats into the partition named heartbeats-0, irrespective of the producer of the messages. The C librdkafka producer Rust-rdkafka relies on the C librdkafka producer to communicate with Kafka, so in order to understand how the Rust producers work it is important to understand the basics of the C one as well. Understanding the differences between these two methods will help you leverage the full potential of Kafka in your C# applications. clients. Kafka producers. Oct 14, 2025 · Apache Kafka is a distributed streaming platform known for its high throughput, low latency, and fault - tolerance. Sep 25, 2024 · Explore how to create efficient, asynchronous Java microservices using Spring Boot and Kafka for scalable, real-time applications. With that, I'm wondering how it is different from async producer? How does acks affect the async producer? Does this answer your question? Nov 25, 2024 · Explore the intricacies of asynchronous and synchronous message sending in Apache Kafka producers, including performance implications, error handling, and best practices. Apr 25, 2017 · Apart from synchronous and asynchronous approaches you can use Fire and Forget approach, which is almost the same as synchronous, but without processing the returned metadata - just send the message and hope that it will reach the broker (knowing that most likely it will happen, and producer will retry in case of recoverable errors), but there Sep 22, 2015 · Run 1. In case of asynchronous (non-blocking) producers, the Kafka client pushes messages into the application (producer) buffer and returns immediately. send() method returns immediately without waiting for the broker to acknowledge the receipt of the message. kafka. By default, the Kafka client uses a blocking call to push the messages to the Kafka broker. Apache Kafka is one of the most popular distributed streaming platforms that allows for high - throughput, fault - tolerant, and scalable data streaming. Which method you choose determines how you handle upstream feedback and performance A critical decision in configuring Kafka for AI workloads involves selecting the appropriate producer behavior: synchronous or asynchronous. When using a synchronous approach, the producer waits for an acknowledgement from the Kafka broker after sending a message Kafka Producer for Confluent Platform An Apache Kafka® Producer is a client application that publishes (writes) events to a Kafka cluster. The `producer. Quarkus, a Kubernetes - native Apr 17, 2025 · Suddenly, synchronous processing isn’t just inefficient — it becomes a bottleneck. We can use the non-blocking call if application requirements permit. Mar 13, 2023 · The Kafka Async Producer is another powerful tool that allows you to produce messages to a Kafka Topic asynchronously. This is done by providing a callback function that will be executed when the broker responds. The KafkaTemplate wraps a producer and provides convenience methods to send data to Kafka topics. This blog post will delve into the core concepts Mar 7, 2024 · I blog about business, technology and personal development. Feb 29, 2024 · Link for Git Repo: Github In last part, we added gRPC code to our project. Synchronous Operations in Kafka Asynchronous: In Kafka, when you produce a message asynchronously, the Producer. OSO’s production experience reveals nuanced trade-offs that theoretical discussions often miss. In this article, we will discuss asynchronous communication with Apache Kafka. The standard Apache Kafka Producers/Consumer APIs do not support this Message Exchange Pattern We would like to show you a description here but the site won’t allow us. The send () method is asynchronous. And in some cases, there are some synchronous applications which fronts Kafka. Jul 21, 2022 · In a synchronous world, you'd have that service set up an API so that all other services that need to know about a customer would have to query it. 11, the KafkaProducer supports two additional modes: the idempotent producer and the transactional producer. It seems to me that it's almost always preferable to use an Async Producer simply because of the gains in performance, but there must be some strong use cases for a Synchronous Producer as well. It uses Sarama client. synchronous vs. We will also see variety of producer (Async and Sync) which controls how message are published to Kafka topic and whether call is blocking or not. Figure 1: Asynchronous messaging However, in order to leverage the cluster-wide parallel processing capabilities of Kafka, administrators often create more than one partition for a given topic. Kafka's Producer is thread-safe, and users can be very, very comfortable using multiple threads. Dec 29, 2024 · How Kafka Supports Asynchronous Communication Apache Kafka is an open-source distributed event streaming platform designed for handling real-time data feeds. This approach is useful for scenarios that require guaranteed processing and acknowledgment between services. asynchronous consumption in Kafka consumers, and what are the trade-offs? ⏷ 17. You have built an event-driven system leveraging Apache Kafka. So we know when we send the request but we don't know when the answer will come. Now you face the challenge of integrating traditional synchronous request-response capabilities, such as user interaction, through an HTTP web service. The user on the front end will save a form that results in making a POST to service A C/C++ Client for Apache Kafka Confluent Platform includes librdkafka, a C/C++ library offering a producer and a consumer for Apache Kafka®. Sep 27, 2023 · Delving into Kafka highlights the complexities of asynchronous communication in today’s apps. send(topic, message Jan 28, 2024 · This series of blogs summarizes and shares examples drawn from real business environments, and provides practical guidance on Spark business applications. Jul 17, 2025 · Table of Contents Core Concepts Typical Usage Example Common Practices Best Practices Conclusion FAQ References Core Concepts What are Synchronous Topics in Kafka? In Kafka, a synchronous topic is related to the way producers and consumers interact with the Kafka cluster. Using Kafka, you instead have that service publish to a Customers topic, which all other services consume from. e. In-depth analysis of Kafka synchronous producers and asynchronous producers, Programmer All, we have been working hard to make a technical sharing website that all programmers love. We used gRPC logic for synchronous communication with different services. sync vs async 在官方文档Producer Configs中有如下： Apr 23, 2025 · Apache Kafka has become an essential component in modern data architectures, enabling real-time data streaming and processing at scale. Jul 5, 2022 · Asynchronous Messaging Patterns… Asynchronous messaging is used for both Kafka and RabbitMQ to transfer data from producing apps to consuming apps. While Kafka is typically used for asynchronous messaging, there are scenarios where a synchronous request - response pattern is required. It will producer with message with ansyc configuration like corePoolSize, maxPoolSize, queueSize as configurable. This talk discusses multiple options on how to do a request-response over Kafka — showcasing producers and From Kafka 0. The `flush` operation in a Kafka producer plays a crucial role in managing the flow of data from the producer to the Kafka brokers. Jun 16, 2023 · In this article, we will discuss Kafka’s producer client overview, design and components, and how to create our KafkaProducer object. In this case, the Producer waits for an acknowledgment in the form of a Future object. Stay tuned for this series of blogs. Oct 5, 2024 · Kafka supports both synchronous and asynchronous communication. There are various techniques, each with advantages and disadvantages. Let's start! SYNCHRONOUS VS ASYNCHRONOUS Jul 16, 2025 · Core Concepts Asynchronous vs. Synchronous vs. Here is a simple example of using the producer to send records with strings containing sequential numbers as the key/value pairs. Oct 14, 2025 · Apache Kafka is a popular distributed streaming platform known for its high - throughput, fault - tolerance, and scalability. A: To improve producer performance, you can: increase batch size, use compression, implement asynchronous sending, optimize serialization, and ensure proper partitioning. Jul 22, 2019 · The send is asynchronous and this method will return immediately once the record has been stored in the buffer of records waiting to be sent. The producer is thread safe and sharing a single producer instance across threads will generally be faster than having multiple instances. Asynchronous Design Patterns in MicroServices: When to Use What? Introduction Microservices architecture enables scalability, flexibility, and modularity, but it also introduces … Master asynchronous communication in microservices with Apache Kafka. Jan 9, 2025 · ⏷ 15. The choice between these two fundamentally alters how data is sent to Kafka, directly impacting application performance, scalability, and fault tolerance. 5yam lzao 6ndg rij lezf 4xmi diqz 0jhhm ubrtp4 svat