Posts by Greg Luck

Greg has worked with Java for 15 years. He is spec lead of the recently completed JSR107:JCache and the founder of Ehcache. He is a JCP Executive Committee alumni. Prior to Hazelcast®, Greg was CTO at Terracotta, Inc which was acquired by Software AG. He was also Chief Architect at Australian travel startup Wotif.com which went to IPO. Earlier roles include consultant at ThoughtWorks and KPMG, and CIO at Virgin Blue, Tempo Services, Stamford Hotels and Resorts, and Australian Resorts. Greg has a Master’s degree in Information Technology from QUT and a Bachelor of Commerce from the University of Queensland.

Hazelcast’s View on Open Source

Given the widely public reaction to the Commons Clause licensing change from another vendor, we felt it was important to let the community at large know that Hazelcast’s 10-year consistent stance on open-source licensing is not changing. In fact that…

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.…

Hazelcast IMDG Faster than Redis and Extending its Lead

We recently conducted a second performance benchmark between Redis 3.2.8 cluster and a Hazelcast IMDG 3.8 cluster, following on from an earlier benchmark we did last year against 3.0.7. Check out the benchmark. Hazelcast Faster In summary, when comparing get…

Introducing Hazelcast Striim Hot Cache

Today, we are thrilled to announce the availability of Hazelcast Striim Hot Cache. This joint solution with Hazelcast’s in-memory data grid uses Striim’s Change Data Capture to solve the cache consistency problem. With Hazelcast Striim Hot Cache, you can reduce…

We just made Hazelcast 3.7 30% faster

3.7 30% Faster Across the Board 3.7 EA just got released. And I am happy to say our Performance Team led by Peter Veentjer found another amazing optimisation. The main change this time was to remove notifyAll and synchronized blocks…

Fake Benchmark: Corrected Benchmark shows Hazelcast 3.6 is much faster than GridGain/Apache Ignite 1.5

GridGain/Apache Ignite have released a benchmark which purports to show that they are faster than Hazelcast. This follows on from our Hazelcast/Ignite Benchmark using Yardstick, their own benchmark, which shows Hazelcast 3.6-EA was much faster than Ignite 1.4.1. In looking into…

Hazelcast 3.6 up to three times faster than Hazelcast 3.2

We got busy with performance at Hazelcast over the last year and a half. There are many different parts of the API to test. We have mostly been using competitors benchmarks to verify our performance increases. This week we wanted…

Hazelcast blasts pass competitors in performance, as measured by their own tools!

We should start calling Hazelcast, Hazelfast. Hazelcast 3.6 EA shipped last week, and it is very fast. Compared to what, you ask? Well, compared to everything. How do we know this? Well, our competitors made their own comparative benchmarking tools, YardStick … Continue reading