Kafka producer slow. But still kafka took 1. Edenhill...

  • Kafka producer slow. But still kafka took 1. Edenhill, I'm working with Kafka Producer - Python, when I tried to produce messages to Kafka, for example, 10k message. And no more than 5 msgs/s. Fetch 200k rows from db: 20s Loop with send commented out: 15s Loop with send: 240s producer = KafkaProducer(bootstrap_servers You can fine-tune Kafka producers using configuration properties to optimize the streaming of data to consumers. Normally, during regular traffic, we were dealing with around 1-2 msgs/s. What I'm seeing is slow producing of messages. However, users sometimes experience slow producer performance due to various factors. In the producer, it keeps sending 16 bytes da Reduced Message Throughput | Diagnose and Debug Kafka Issues Series Learn how to pinpoint common Kafka issues, which producer metrics to monitor, and how to optimize Kafka to keep latency low and throughput high. I've profiled each part of my script and the send call seems to be the bottleneck. Each thread is publishing a batch of messages using ProduceAsync and the Learn how to troubleshoot common Kafka issues and optimize performance with this expert guide. The data pr Application written in java using spring boot 3. 200 messages (5 per topic) get accepted by Publisher within . ms=0 and acks=all. In this tutorial, learn how to optimize a Kafka producer for throughput, with step-by-step instructions and supporting code. While it does provide durability and fault tolerance, so do more general purpose systems like rabbitMQ. After first messa I'm aware that the maximum number of active consumers in a consumer group is the number of partitions of a topic. ms'. We have multiple microservices written in GO exchanging messages over the Kafka message bus. Aug 10, 2017 · The two important configuration parameters of kafka producer are 'batch. 9. This article explores Kafka consumer lag in detail, including causes, monitoring, and strategies to address it. Consumer Processing Bottlenecks Slow Consumer Logic: Complex or inefficient processing logic within consumers can delay message consumption. What's the best practice in case of slow processing consumers? How to achieve more I have a test application in . If you don't want to piggyback this into an existing operator, you can just add an foreach() with ephemeral state (ie, a class member variable) to track the throughput and compute how much you need to sleep to throttle the throughput accordingly. Check how quickly messages are producer a Kafka producer too slow Asked 7 years, 8 months ago Modified 7 years, 8 months ago Viewed 2k times Use Kafka’s built-in metrics and monitoring tools like JMX. First 10 batches (all same size) are being sent pretty quickly (~0. batch. Oct 14, 2025 · Apache Kafka is a high-throughput, distributed streaming platform that is widely used for building real-time data pipelines and streaming applications. 05-. 1 application that cannot afford to lose any messages. I read so many articles on kafka tuning and made some configuration changes on both producer and consumer sides. Delve into common Kafka issues and their resolutions. produce (msg)" for the message to actually be produced. kafka:kafka-clients:3. The program is very simple, I have two threads. 1 application which is trying to publish messages to Kafka topic in Avro format. Set up a testing environment, run test scripts, and tear down your demo environment. Get the tuning right, and even a small adjustment to your producer configuration can make a significant improvement to the way your producers operate. The problem I am having is that the sending is very slow. The topic. I am using the default producer configuration and the job is very simple. Description The producer performance turns out to be very slow, takes up to 2 seconds in publishing messages on each thread. Optimizing Kafka Producer Performance: Key Configuration Properties Before you dive into writing a Kafka producer, it’s important to understand that it’s not just about following a tutorial … I have developed a Kafka version : 0. In performance-critical applications such as financial trading, real-time monitoring, or fraud detection, minimizing this delay is crucial. To ensure I do not I am write an spring-boot application, receive request and has some data process then write data to kafka. In a scenario with multiple zk/kafka, consuming is normal but producing is very slow. Leverage logging on the client-side for producers and consumers to understand the behaviors and identify bottlenecks. Understand common broker, producer, and consumer problems, as well as network and disk issues, and learn effective strategies to resolve them. For some reason the acknowledgement for the first message always a We have multiple microservices written in GoLang exchanging messages over the Kafka message bus. I need to wait 5-6 seconds after calling "producer. ms – How long will the producer wait before sending Sep 23, 2024 · Conclusion Optimizing the Kafka producer for processing millions of records quickly in a local system involves careful tuning of batch sizes, compression, and buffering strategies. We us Troubleshoot Kafka producer latency and message loss due to improper acknowledgment and batch configuration. Slow producer when running kafka consumer and producer from same JVM Asked 8 years, 11 months ago Modified 8 years, 11 months ago Viewed 2k times Hi, If the difference between the record createTime timestamp and logAppendtime timestamp is high, how can we tell whether the broker is slow or the producer? “request-latency-avg” - The avg request latency in ms “record-queue-time-avg” - The average time in ms record batches spent in the send buffer. size' and 'linger. Optimizing the Kafka producer for processing millions of records quickly in a local system involves careful tuning of batch sizes, compression, and buffering strategies. Producer and brokers sits in same physical gigabit . Why is Kafka Producer ack=all so slow when sending synchronous messages Asked 9 years, 5 months ago Modified 9 years, 5 months ago Viewed 6k times Kafka consumer lag — which measures the delay between a Kafka producer and consumer — is a key Kafka performance indicator. 10 seconds to reach one me Learn how to optimize Kafka performance with a Kafka producer client in this hands-on exercise. When I send first message it prints producer config and then send message due to this it takes more time to send first message . NET that creates kafka producer and sends a few messages to a topic using Confluent client library. Environmental configuration： kafka-python version:1. I am having a java web application with a scheduled background job which send kafka message. It’s an essential aspect of Apache Kafka ® because low latency enables near-real-time data processing and analysis. In this post we’ll discuss typical tuning considerations for Kafka producers. serializer, ofc), which implies linger. Calling it in a tight loop as your example code does will cause the initialization sequence to be run repeatedly, which is unnecessary and will add a lot of overhead. The `flush` method in the Kafka producer forces all buffered records to true I've written a python script that reads data from a database, generates a json per row, encodes it, and calls send. Understanding the root causes can help optimize performance and ensure efficient message publishing. Master Apache Kafka from the ground up — topics, partitions, producers, consumers, consumer groups, offset management, and delivery guarantees for real-world event streaming. Flush () completes, making it 20 messages a second. Discover the most common Apache Kafka® performance issues, including consumer lag, broker overload, & disk I/O bottlenecks, with actionable solutions. Learn causes, impacts, and solutions for slow Kafka consumers to ensure optimal system performance. Learn how to optimize Apache Kafka® for maximum performance and scalability with tuning tips and best practices. Similarly, distributed tracing tools like Jaeger or Zipkin can help profile end-to-end message delivery times across the pipeline. Description The first message sent after producer is created gets acknowledged with 1 second delay. , Con How to tune your Kafka Producer throughput? Kafka is very powerful when it comes to data streaming. The Kafka producer is responsible for publishing messages to Kafka topics. Summary of key Kafka consumer lag concepts Kafka’s storage architecture handles data as an ordered log-based structure. get_producer call is meant to be called once at the beginning of the producer's lifespan. Learn how to optimize Apache Kafka performance by adjusting partitions and consumer groups, cluster size, producer, and consumer parameters. 6 Memory：256G kafka version:2. So you basically have a choice: you can wait until the producer batch is full, or the producer time out. I was in charge of another microservice which was also consuming from this same topic. 0. When i take the Stress testing, i find the kafka message deliver is very slow. How to reproduce Run the below producer code two times. With our setup, which included The stream source (the one from Socket. For Kafka Streams, you can add a Thread. I have one simple topic, and one simple Kafka consumer and producer, using the default configuration. Benchmark regularly: Use Kafka’s performance testing tools like kafka-producer-perf-test and kafka-consumer-perf-test to benchmark producers and consumers under different configurations and workloads. Prevent Kafka consumer lag for real-time data streaming. Below are the primary causes: 1. IO) works like a charm if I don't produce it into kafka I've found many other users experiencing a very similar problem with the consumer Very slow performance with Kafka Consumer #619, Slow consumer after initial reads #573 , Very slow performance with simple kafka Consumer example #554 Its strengths are high producer throughput and support for both fast and slow consumers. I have a constraint that the messages must be consumed in the correct sequence. Kafka - 1. The `flush` method in the Kafka producer forces all buffered records to Nov 13, 2025 · Reasons Behind Kafka Lag Kafka lag can arise from multiple factors related to producer throughput, consumer processing speed, network conditions, and Kafka cluster health. 4. I'm trying to write a simple Avro message producer for Kafka, using Scala. Apache Kafka Performance Optimization: tuning producer and consumer settings # Apache Kafka is a high-throughput, fault-tolerant messaging system that can handle massive volumes of data. kafka:spring-kafka:3. 10 The two important configuration parameters of kafka producer are 'batch. linger. sleep() into any UDF. apache. Kafka is a high-performance distributed messaging system. Use these performance benchmarks to better understand the relationship and trade-offs between common Kafka producer parameters and message throughput. I am doing this: val message: GenericRecord = getRandomMessag Discover how optimizing producer, broker, and consumer configurations can reduce end-to-end message delays and resolve Kafka latency issues. A microservice writes on a Kafka topic with a partition count of 3 with a replica factor of 2. This article explores Kafka consumer lag, how to diagnose it, and best practices to reduce it. 1sec) but further batches take a lot Description I have a . 1) which transitively uses org. Application is deployed on Windows server. I am using kafka producer to send prices to topic. sh）to import more than 5 million data from I'm trying to send messages asynchronously using idempotent Producer (1 topic, 1 partition). Learn debugging techniques, best practices, and solutions for optimizing Kafka producer performance. size – This is an upper limit of how many messages Kafka Producer will attempt to batch before sending – specified in bytes. 2 and spring-kafka dependency (org. Kafka latency—How to reduce it? Kafka latency Kafka latency is the time it takes a message to be produced by a producer and consumed by a consumer. but sometimes your … Fix Kafka consumer lag by optimizing parallelism, batch processing, and offset commit strategies for low-latency and high-throughput event processing. What is that single metric or combination of metrics of producer or broker that can Description Hi Mr. I am not assigning a producer As part of a migration from an old monolith to a microservices architecture, another team in my company was backfilling historical data by publishing kafka messages to a topic. You can publish messages and have multiple consumers for your Kafka topic. I am using Confluent. Producer uses default settings (except key/value. Is there any way to pause or throttle a Kafka producer based on consumer lag or other consumer issues? Would the producer need to determine itself if there is consumer lag then perform throttling Does number of partitions have an impact on producer throughput in Kafka? ( I understand that number of partitions is the upper bound for degree of parallelism on consumer side, but does it affect Kafka latency is the time it takes a message to be published by a producer and then delivered to a consumer. 2. In Kafka's case, minimizing the lag between the Kafka producer and consumer requires careful tuning of deployment configurations. 6. 11 Problem Description： I use kafka's own tools（kafka-console-consumer. I reduce th Fixing Kafka producer latency and message delivery issues: diagnosing batching inefficiencies, optimizing acknowledgment settings, reducing network congestion, and improving broker performance. 1. Discover expert tips on tuning Apache Kafka® producers and consumers for maximum efficiency and optimized performance. Apache Kafka is a high-throughput, distributed streaming platform that is widely used for building real-time data pipelines and streaming applications. However, it is taking a really long time to publish 200k records. I am using apache camel kafka as client for producing message, what I observed is kafka producer taking 1 ms to push a message, if I merge message into batch by using camel aggregation then it is t I am using kafka with spring boot. One common issue that developers may encounter is a slow `flush` operation in the Kafka producer. It took too long(>7s for 10k simple message). 2 seconds, but then it takes on average 9-10 seconds before . NET CORE 2. springframework. tz9mc, cxvwh, y25si, sxyv5, k5a9c9, zxrc2k, l5ugj, nmgqy, vghga, 0sw3,