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Hazelcast Node.js Client 4.0 is Released

by Andrey Pechkurov | Oct 01, 2020

Hazelcast Node.js client 4.0 is now available! Let’s see what are the main changes in this new release. Hazelcast Client Protocol 2.0 Node.js client now uses Hazelcast Open Binary Client Protocol 2.0, which has a number of enhancements and serialization improvements when compared with 1.x. For the end-user, it means that the client now supports […]

Hazelcast Joins Hacktoberfest

Nicolas Frankel
by Nicolas Frankel | Sep 30, 2020

At Hazelcast, open source is not only a business model; it’s the foundation of our company. We believe in the right of users to access, read, and improve upon our work. Because we know that it’s not easy to get started in open source in general, especially within a specific project, we participated in this […]

Migrating from Imperative to Reactive

Nicolas Frankel
by Nicolas Frankel | Sep 29, 2020

From Wikipedia, Reactive Programming is “a declarative programming paradigm concerned with data streams and the propagation of change.” The programming model is complex to master. It requires a lot of experience to feel comfortable with it. However, there’s no denying that it fits the cloud ecosystem perfectly. Since on-premises infrastructure is oversized, running a program […]

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Announcing Quarkus Hazelcast Client Integration

Grzegorz Piwowarek
by Grzegorz Piwowarek | Jun 29, 2020

Today, we’re happy to announce the preview version of quarkus-hazelcast-client is publicly available and accessible via quarkus-platform and code.quarkus.io. Quarkus is a modern Kubernetes-native application framework leveraging Docker and GraalVM which allows it to achieve impressive performance and resource utilization while maintaining portability. Quarkus Hazelcast Client extension makes it convenient to configure Hazelcast Client and […]

Where Are My Keys ?

Neil Stevenson
by Neil Stevenson | Jun 25, 2020

It’s useful to understand how, why and where Hazelcast stores your data in the grid. What happens is what you really need, but it won’t necessarily be what you first think you want. We’ll explore this in this blog by putting some number keys in a map, a common starting point and source of confusion. […]

Hazelcast Helm Chart

Rafal Leszko
by Rafal Leszko | Jun 24, 2020

Learn how to use Hazelcast Helm Chart

Distributed Systems Covering Edge-to-Cloud (Part 2)

Lucas Beeler
by Lucas Beeler | Jun 16, 2020

Note: This post is part 2 of 2 on edge-to-cloud. You can read part 1 here.  Inside the Gateway: Edge-to-Cloud Stage 1 The edge-to-cloud pipeline begins inside the gateway, where two key tasks have to be performed: Data from sensors and devices must be captured in its raw form Sensor and device data must be […]

Performance of Modern Java on Data-Heavy Workloads (Part 1)

Hazelcast Community
by Hazelcast Community | Jun 10, 2020

This post was written by Hazelcast software engineer Marko Topolnik and posted at https://jet-start.sh/blog/2020/06/09/jdk-gc-benchmarks-part1. The Java runtime has been evolving more rapidly in recent years and, after 15 years, we finally got a new default garbage collector: the G1. Two more GCs are on their way to production and are available as experimental features: Oracle’s […]

Distributed Systems Covering Edge-to-Cloud (Part 1)

Lucas Beeler
by Lucas Beeler | Jun 09, 2020

Introduction: A Personal Anecdote When I was in college, I took an upper-level course in analytical chemistry. Several of the lab modules required my lab partner and me to make a pilgrimage deep into the bowels of the building to use the department’s gas chromatograph. Now, gas chromatography (GC) machines are complex and expensive pieces […]

Hazelcast IMDG Achieves IBM’s Kubernetes Container Software Certification

Mesut Celik
by Mesut Celik | May 26, 2020

Building containerized software that runs on Kubernetes platforms like Red Hat OpenShift Cloud Platform is the hot trend in software development. Everyone is building containers, but the technology is new enough that best practices and certifications are still being developed. IBM specializes in providing software for enterprises. An example of this software is IBM Cloud […]

Getting Started with Hazelcast on Azure Kubernetes Service

Sharath Sahadevan
by Sharath Sahadevan | May 18, 2020

This blog shows you how you can install Hazelcast on Azure Kubernetes Service (AKS) and connect to the cluster using an Hazelcast client. It assumes some familiarity with Kubernetes , Azure and Azure Cloud shell. The goal of this blog is to keep things simple and show you the steps to get up and running […]

How Hazelcast Jet Compares to Apache Spark

Vladimir Schreiner
by Vladimir Schreiner | May 14, 2020

“How Jet compares to Spark” and “why should I choose Jet over Spark” are arguably the most frequent questions I’ve been asked during the talks and workshops. While it is hard to assess the product fit without focusing on a concrete use-case, I’d still like to compare concepts and architecture used under the hood of […]

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