Persistent EJB Timers in Payara Micro

31 Aug 2016

Payara Micro is packed with a lot of the APIs that come with Payara Server Full Profile, and even more features targeted at clustered deployments. Now, since version 163, it is also possible to use persistent EJB Timers, which are stored across your micro instances inside the distributed...

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Making Use of Payara Server's Monitoring Service - Part 3: Using Kibana to Visualise the Data

25 Aug 2016

 

When Payara Server has been logging monitoring data to the server log for a short while, the metrics that Logstash outputs to Elasticsearch can be visualised using Kibana. In this blog post, we will create a date histogram displaying used heap memory as a percentage of the maximum heap memory.

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Making Use of Payara Server's Monitoring Service - Part 2: Integrating with Logstash and Elasticsearch

24 Aug 2016

 Following the first part of this series of blog posts, you should now have a Payara Server installation which monitors the HeapMemoryUsage MBean and logs the used, max, init and committed values to the server.log file.  As mentioned in the introduction of the previous post, the Monitoring...

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Making Use of Payara Server's Monitoring Service - Part 1: Setting up the Service

23 Aug 2016

 With the release of version 4.1.1.163, Payara Server includes a JMX Monitoring Service (technical preview) which can be used to log information from MBeans to the server log. Using the Monitoring Service, you can monitor information about the JVM runtime such as heap memory usage and threading,...

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What's new in Payara Server 163?

16 Aug 2016

As we enter the third quarter of the year, that can only mean one thing: Payara Server 163 is here! With this release, we’ve managed to cram in 44 bug fixes, 34 enhancements, 6 new features and 6 component upgrades. One of these new features is the tech preview of our new Request Tracing...

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Payara Server Lite Nodes

09 Aug 2016

As part of the new features introduced with the release of Payara Server 162, you can now form a cluster of Payara Server instances using the concept of Hazelcast “Lite Nodes”. This can help you create more flexible cluster topologies.

 

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Steve Millidge for Java Magazine - Custom Servlet Authentication Using JASPIC

05 Aug 2016

The new Java Magazine is out now, featuring a lot of useful articles about enterprise Java - not so much Java EE as a platform, but individual services that can be useful as part of a larger solution. See below for an introduction to my article on Custom Servlet Authentication Using JASPIC, also...

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Payara Micro - Dynamic Clustering Demo

02 Aug 2016

Take a look at this quick demo to see some of Payara Micro's  dynamic clustering capabilities. I'm running the demo without any extra tools, just Payara Micro itself. To show how Payara Micro dynamically rebalances the cluster, I used JCache and Payara Micro's --autoBindHttp feature.

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