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Creating a Simple Deployment Group

24 Aug 2018

Note: This blog post is an update to Creating a Simple Cluster, which was written for Payara Server 4.

Introduction

Continuing our introductory blog series, this blog will demonstrate how to set up a simple Hazelcast deployment group containing two instances. Deployment groups were introduced...

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Setting Up Cache JPA Coordination with the Payara Platform using EclipseLink and JMS/Hazelcast

21 Jun 2018

When it comes to clustering and distributed computing performance, some of the challenges you have to overcome involve cache invalidation and coordination. Fortunately, both Payara Server and Payara Micro come with EclipseLink, which supports cache coordination and invalidation out of the box....

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Fundamentos de Payara Server Parte 6 - Creando un cluster dinámico con conmutación por fallas en Payara Server con Hazelcast

29 May 2018

Avanzando más nuestra serie de blogs de introducción, esta entrada mostrará como puedes escalar de forma dinámica tu cluster, y como Payara Server maneja la conmutación por fallas entre miembros del cluster.

 

See here for the original version in English language.

 

La conmutación por fallas es...

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Domain Data Grid in Payara Server 5

23 Jan 2018

In Payara Server 5 we will be introducing some major changes to the way clustering is working by creating the Domain Data Grid (see documentation for more info). The Domain Data Grid will be easier to use, more scalable, more flexible and ideally suited for cloud environments and cloud-native...

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Kubernetes Native Discovery with Payara Micro

20 Dec 2017

Payara Micro supports Hazelcast out of the box, and can be used for clustering. This allows members in the cluster to distribute data between themselves, amongst other things. By default, Hazelcast comes with multiple ways to discover other members in the same network. A multicast discovery...

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Payara Server Basics Part 7 - Creating a simple Payara Server Cluster in Windows with DCOM

08 Dec 2017

Taking our introductory series onwards, this blog will look at how you set up a simple Payara Server cluster on Windows using the native remote control protocol, DCOM. We will set up two instances on Windows 10, controlled by a third Domain Administration Server (DAS) instance on Windows 7 via...

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AWS Native Discovery with Payara Micro

23 Nov 2017

Both Payara Server and Payara Micro can cluster together and share data using Hazelcast. Out-of-the-box, there is no configuration needed, since Hazelcast uses multicast to discover and join other cluster members. However, when running in cloud environments like AWS, for example, there are a lot...

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Payara Server Basics Part 6 - Dynamic Clustering and Failover on Payara Server with Hazelcast

10 Nov 2017

Further developing our introductory blog series, this post will look at how you can dynamically scale your cluster, and how Payara Server handles failover between cluster members.

 

Failover is the ability to continue to provide access to your website or application in the event of a server...

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Securing a Payara Server Cluster using NGINX

10 Aug 2017

In order to make a cluster of servers appear as one server, you need to introduce a load balancer. A load balancer will accept a request, and redirect it to one of the members of the cluster depending on a given configuration. A web server such as NGINX or Apache can act as this load balancer as...

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Payara Micro 171 - New Features Demo

28 Apr 2017

This quick vlog shows off a few of the recent features and changes we added to Payara Micro in the 171 release. In it, we’ll cover sending asadmin commands to Micro instances from the DAS, how config changes in a pre-existing Payara Micro domain now get packaged up when creating an Uber JAR, as...

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