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Hazelcast Developer Resources

Miko Matsumuraby Miko Matsumura — Oct 20, 2013
Hi Everyone, There are a lot of Hazelcast Developer Resources that just havent been put in one place, so I’m going to list some now. First of all there’s the Hazelcast book… this one is great for people who are getting started (obviously I guess)   Another important resource is the Google Group. People sometimes […]
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Kryo Serializer

by Peter Veentjer — Oct 16, 2013
A week ago I was called in to help a large online webshop with a problem. They are using Hazelcast as a large cache, since with Hazelcast the data can be distributed over multiple machines and with a database this is a lot more complicated. The problem was that they could not keep enough products […]
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In-Memory Format

by Peter Veentjer — Sep 21, 2013
When a value is stored in a normal HashMap, the actual instance is stored. This works fine because the HashMap is not a distributed data-structure and therefor everything can be done in the same memory space. The Hazelcast IMap is distributed data-structure, so storing a value created one one machine and reading it on a […]
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Hazelcast Announces $2.5 Million in Series A Funding to Commoditize In-Memory Computing.

Miko Matsumuraby Miko Matsumura — Sep 20, 2013
Open Source experts including Rod Johnson from VMware and SpringSource Join Board of Directors. PALO ALTO, September 20, 2013 — Hazelcast (https://hazelcast.com), provider of open source in-memory data grid software, today announced the completion of a $2.5 million Series A round of funding. New investors include Bain Capital, who led the round with existing Angel […]
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I can make Lambda Expressions distributed!

Fuad Malikovby Fuad Malikov — Sep 5, 2013
When I first learned about Lambda expressions, I felt an immediate desire for distributing them with Hazelcast Distributed Executor Service. The idea was to submit a lambda expression into Hazelcast Executor Service and let Hazelcast to execute it on a remote node. Here is how I want it to look like: HazelcastInstance h = Hazelcast.newHazelcastInstance(config); […]
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XML Variables

by Peter Veentjer — Aug 14, 2013
One of the new features in Hazelcast 3.0 are XML variables which provided a lot of flexibility for Hazelcast xml based configuration. Imagine that you have the following configuration: <hazelcast> <group> <name>group1</name> <password>password1</password> </group> </hazelcast> As you can see the group name and password are hard coded. Apart from being a potential security risk it […]
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User Context

by Peter Veentjer — Aug 2, 2013
One of the new features of Hazelcast 3 is the ability to pass user-context to a HazelcastInstance. This is very useful if you need to access dependencies, but only have a HazelcastInstance available. Imagine that you have some kind of EchoService on each member of your Hazelcast cluster: public class EchoService{ public void echo(String msg){ […]
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java-forum.org – Riding a dead horse – Or how fast you can kill a community

Christoph Engelbertby Christoph Engelbert — Aug 1, 2013

Today I want to coder a bit of a different topic so please read the following text and I appreciate ideas and opinions.

Not yet 60 hours ago a bad time for the german Java community started. A new owner took over the java-forum.org - the best reputated and

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Comparing Hazelcast 3 Serialization methods with Kryo Serialization and Jackson Smile

Fuad Malikovby Fuad Malikov — Jun 13, 2013
Importan note: This blog post have been updated to reflect recent changes in Hazelcast API.   Hazelcast relies heavily on serialization. It is designed to be a distributed cache and honestly it is not very suitable for a local cache.  Sometimes people compare it with other caching solutions and notice that Hazelcast is very slow. […]
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What’s new in Hazelcast 3?

Fuad Malikovby Fuad Malikov — Jun 3, 2013
Hazelcast 3 is the biggest change that we have introduced to Hazelcast ever.  As Hazelcast grew with more and more features, we often felt that the inner architecture is no longer good enough to support those additions. It was almost impossible to introduce some of new features that community really wanted. So a decision made […]
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