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Tutorial
ksqlDB UDFs and UDAFs Made Easy
One of ksqlDB’s most powerful features is allowing users to build their own ksqlDB functions for processing real-time streams of data. These functions can be invoked on individual messages (user-defined […]
Kafka Listeners – Explained
If you are not using fully managed Apache Kafka® in the Confluent Cloud, then this question on Kafka listener configuration comes up on Stack Overflow and such places a lot, so […]
How to Connect KSQL to Confluent Cloud Using Kubernetes with Helm
Confluent Cloud, a fully managed event cloud-native streaming service that extends the value of Apache Kafka®, is simple, resilient, secure, and performant, allowing you to focus on what is important—building […]
Scylla and Confluent Integration for IoT Deployments
The internet is not just connecting people around the world. Through the Internet of Things (IoT), it is also connecting humans to the machines all around us and directly connecting […]
From Apache Kafka to Amazon S3: Exactly Once
At Confluent, we see many of our customers are on AWS, and we’ve noticed that Amazon S3 plays a particularly significant role in AWS-based architectures. Unless a use case actively […]
Using Apache Kafka Command Line Tools with Confluent Cloud
If you have been using Apache Kafka® for a while, it is likely that you have developed a degree of confidence in the command line tools that come with it. […]
Getting Your Feet Wet with Stream Processing – Part 1: Tutorial for Developing Streaming Applications
Stream processing is a data processing technology used to collect, store, and manage continuous streams of data as it’s produced or received. Stream processing (also known as event streaming or […]
Easy Ways to Generate Test Data in Kafka
If you’ve already started designing your real-time streaming applications, you may be ready to test against a real Apache Kafka® cluster. To make it easy to get started with your […]
Kafka Streams and KSQL with Minimum Privileges
The principle of least privilege dictates that each user and application will have the minimal privileges required to do their job. When applied to Apache Kafka® and its Streams API, […]
KSQL Recipes Available Now in the Stream Processing Cookbook
For those of you who are hungry for more stream processing, we are pleased to share the recent release of Confluent’s Stream Processing Cookbook, which features short and tasteful KSQL […]
Hands on: Building a Streaming Application with KSQL
In this blog post, we show you how to build a demo streaming application with KSQL, the streaming SQL engine for Apache Kafka®. This application continuously computes, in real time, […]
How to Build a UDF and/or UDAF in ksqlDB 5.0
ksqlDB is the event streaming database purpose-built for stream processing applications that enables real-time data processing against Apache Kafka®. ksqlDB makes it easy to read, write and process streaming data […]
Decoupling Systems with Apache Kafka, Schema Registry and Avro
As your Apache Kafka® deployment starts to grow, the benefits of using a schema registry quickly become compelling. Confluent Schema Registry, which is included in the Confluent Platform, enables you […]
Apache Mesos, Apache Kafka and Kafka Streams for Highly Scalable Microservices
Apache Kafka and Apache Mesos are very well-known and successful Apache projects. A lot has happened in these projects since Confluent’s last blog post on the topic in July 2015. […]