Category: Open Source

This category contains posts related to Open Source software development, philosophy, community management, and logistics.

Jet 0.5 is Released

Hazelcast Jet 0.5 is now publicly available and in many ways is our biggest release yet, with many new features. Just in case this is the first time you are hearing about us, Hazelcast Jet is a distributed computing platform…

Priority Queueing Using the SPI

Hazelcast provides distributed queues, an implementation of java.util.concurrent.BlockingQueue. However, an implementation of java.util.concurrent.PriorityBlockingQueue is not yet provided. In this example, we’ll see how to write this yourself, using Hazelcast’s SPI (Service Provider Interface). (Note: this is just an example, deliberately…

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…

Jepsen Analysis on Hazelcast 3.8.3

Jepsen Analysis Kyle Kingsbury (aka @aphyr) has prepared an analysis of Hazelcast IMDG 3.8.3 using his Jepsen tool, as he has many other distributed systems over the last four years. We are the first In-Memory Data Grid (IMDG) to be…

Hazelcast Jet Now Available on Pivotal Cloud Foundry

I am very excited to announce that after months of engineering work and assistance from Pivotal, Hazelcast Jet is now available as a Tile on Pivotal Cloud Foundry (PCF) – the first general purpose data processing platform available on PCF.…

Jet 0.4 is Released

We are happy to announce the release of Hazelcast Jet 0.4. This is the first major release since our inital version and has many improvements bringing us closer to our final vision for Jet: Improved streaming support including windowing support…