Part I: Intro Hazelcast Jet supports writing into a number of 3rd party systems, including HDFS, Apache Kafka and others. But what if you want to write into your own system which is not supported by Jet out-of-the-box? Starting with…
Posts by Jaromir Hamala
Use Hazelcast Jet to stream data from an IMap to a Kafka topic
Today I would like to show you how to use Hazelcast Jet to stream data from Hazelcast IMDG IMap to Apache Kafka. IMap is a distributed implementation of java.util.Map, it’s super-easy to use and it’s probably the most popular Hazelcast…
Hazelcast IMDG 3.9 Is Out!
We just released Hazelcast IMDG 3.9. It’s a release packed with new features, improvements and optimizations. Let me introduce you to a few of them: User Code Deployment from Clients In Hazelcast IMDG 3.8, we introduced an option for automatic…
Hazelcast IMDG 3.9 EA is available
Hello Hazelcasters! First off I would like to introduce myself – I started contributing to the project about 4 years ago, later on I joined as a performance engineer and in last 2 years I led the core engineering team.…
The simplest way to integrate Kryo with Hazelcast
Hazelcast offers a bunch of strategies to serialize your domain objects. You can start with simple Java Serialization and change the the strategy when it turns out to be performance bottleneck. It’s also simple to plug-in your own serialization. Kryo…
Hazelcast on AWS – Kernel Bug
The other day we discovered a bug in older Linux kernel versions and I thought you would like to know about it. Summary Use Linux kernel 3.19+ when running Hazelcast on AWS. TCP connections can get stuck with older kernel…