London Java Community August Meetup

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Memory Buffer Recycling - Rafal Foltyński

Most developers heard about object pool or flyweight pattern, many of them actually implemented one, but probably just a few tried to apply it directly to memory and expand/shrink the pool on the fly. The main purpose of this talk is to show the main challenges of writing a resizable pool of memory buffers and considerations that every dev should take into account. (Plus, you'll get a bunch of live demos in background.)

See how your decisions affect your business using Kubernetes, JBPM open source business process, Apache Kafka, and Grafana - Paulo Menon, Ingo Weiss and Craig Reeves

Modern business relies on rapid feedback of data and an ability to easily process that data in order to make good business decisions. In this scenario we look at how a government department distributes grants to farmers ensuring that they have the resources that they need to feed a growing population.

Apache Kafka and Grafana you can have a visual representation of the impact of your business process and help to take these decisions across your organisation, be it different silos, applications, regions or more. Apache Kafka helps getting the information across multiple services and locations. This stream of information would then be captured by InfluxDB, which will help organising the collected metrics and then present these using Grafana.

About the speakers

Rafal Foltyński is a Java developer, open-source contributor, meetup speaker and founder of http://appenders.org/.

Paulo Menon is a Principal Consultant specialised in RHDM and RHPAM troubleshooting and deployments for Red Hat EMEA’s largest customers, he is also the Business Automation Community of Practice EMEA Manager, which is the internal Red Hat Decision Manager and Process Automation Manager community and the internal EMEA and UKI Tech Meetup organiser, With more than 18 years of experience in Java, 9 years working as Red Hat Middleware Consultant and focused on customer success, he’s one of the most accomplished consultants in EMEA. During his free time he is a mentor at meet a mentor and always willing to participate and give back to the Java community.

Ingo Weiss is a Software Engineer for Red Hat JBoss EAP, working as part of the sustaining engineering team. A sysadmin and support engineer in a previous life, he now works delivering fixes to one of Red Hat’s most important products, contributing to several open source projects.

Craig Reeves is part of the services team at Red Hat UK, helping his customers to make the most of open source technologies at a global scale. He has helped to deliver some of the biggest platforms for Red Hat across globally regulated industries across a variety of technologies both on premise and in the cloud.

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A big thanks to Skills Matter for hosting us and GridGain Systems for sponsoring the meetup.

This event is organised by RecWorks on behalf of the London Java Community.

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