Using MQTT protocol with ArtemisMQ
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- Created: 21 August 2017
- Last Updated: 22 August 2017
- Published: 21 August 2017
- Written by Marcin Wadiluk
- Hits: 89
In this tutorial we will discuss about using MQTT connectivity protocol which is an extremely lightweight publish/subscribe messaging transport. For this reason it is useful for connections with remote locations where a small code footprint is required and/or network bandwidth such as pocket devices (e.g. mobile).
Comparing Messaging standards: JMS vs AMQP
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- Created: 13 August 2017
- Last Updated: 13 August 2017
- Published: 13 August 2017
- Written by Francesco Marchioni
- Hits: 333
In this article we will discuss about messaging standards that can be used to decouple sender and receiver of messages by means of a Messaging Broker. In this first article we will focus on the differences between JMS and AMQP.
Generate Sequences with Infinispan Clustered Counters
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- Created: 03 August 2017
- Last Updated: 03 August 2017
- Published: 03 August 2017
- Written by Marcin Wadiluk
- Hits: 281
In this tutorial we will learn how to use Clustered Counters with Infinispan 9.1.0. Cluster Counters are an useful feature of Infinispan which lets you generate unique identifiers in a cluster.
Read more: Generate Sequences with Infinispan Clustered Counters
Configuring Undertow Filters on WildFly
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- Created: 11 July 2017
- Last Updated: 11 July 2017
- Published: 11 July 2017
- Written by Super User
- Hits: 607
Undertow filters can be used to modify some aspects of an HTTP request. They are commonly used to add or remove some settings from HTTP Headers or to compress the request. In this tutorial we will learn how to create a custom Undertow Filter
How to autoscale your applications with Openshift
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- Created: 04 July 2017
- Last Updated: 04 July 2017
- Published: 04 July 2017
- Written by Super User
- Hits: 587
This tutorial will demonstrate how to use the Autoscaling feature to let Openshift automatically scale the number of Pods based on the amount of resources required by the Pod, up to a certain limit.
Read more: How to autoscale your applications with Openshift
Configuring metrics on Openshift
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- Created: 29 June 2017
- Last Updated: 29 June 2017
- Published: 29 June 2017
- Written by Super User
- Hits: 549
Openshift metrics is an essential component to gather information about the health of your Paas. In this tutorial we will learn how to start Openshift Origin with metrics enabled and how you can check them.
EJB Annotations cheatsheet for JBoss AS or WildFly
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- Created: 26 June 2017
- Last Updated: 26 June 2017
- Published: 26 June 2017
- Written by Super User
- Hits: 717
There is a vast number of annotations you can use when running EJB applications, spanning from Cache configuration to Clustering and Security. Let's see them more in detail in this tutorial.
Read more: EJB Annotations cheatsheet for JBoss AS or WildFly
How to configure AB Deployments on Openshift
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- Created: 20 June 2017
- Last Updated: 20 June 2017
- Published: 20 June 2017
- Written by Super User
- Hits: 551
This tutorial will discuss about using A/B deployments on Openshift Paas in order to balance and weigh the load between multiple applications with as little as some tweaks in your configuration
Create a Singleton in a Cluster on WildFly 10
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- Created: 19 June 2017
- Last Updated: 19 June 2017
- Published: 19 June 2017
- Written by Super User
- Hits: 825
Using a Singleton Service in a cluster is not something completely new concept. In JBoss 6 you could use a SingletonService to decorate a Service such that the service will only ever be started on one node in a cluster at any given time. WildFly 10 brings again to life this service with a fully configurable subsystem which allows fine tuning of the Singleton Service:
Manage blue-green deployments with Openshift Paas
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- Created: 09 June 2017
- Last Updated: 21 June 2017
- Published: 09 June 2017
- Written by Super User
- Hits: 702
This tutorial will teach how to use Blue-Green deployments on Openshift Paas in order to create a parallel environment for your applications which can be replaced just by setting a property in your router configuration
Read more: Manage blue-green deployments with Openshift Paas
HelloWorld Resource Adapter tutorial
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- Created: 01 June 2017
- Last Updated: 02 June 2017
- Published: 01 June 2017
- Hits: 33375
[Updated] In this tutorial we will show how you can create build and deploy an HelloWorld Resource Adapter and deploy it on WildFly 10.
