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Red Hat Fuse 7 - Announcing Red Hat Fuse 7 GA!!

Red Hat Fuse 7 (formerly called Red Hat JBoss Fuse) is now officially available. This cloud-native, distributed solution allows developers to easily develop, deploy and scale integration applications. Architects can compose and orchestrate microservices with Red Hat Fuse to introduce agility to the systems. In this release, Fuse also empowers integration experts and business users to become more productive with the self-service low-code platform. With this new agile integration solution, enterprises can now engage in wider collaboration with and among partners at a much quicker pace.
Here's where you can download it:

What's in Fuse 7?

Camel still is the core component in Fuse. Due to the complexity of integration solutions, a pattern-based integration solution is crucial for preventing developers from falling into complex, tangled, and spaghetti-like integration logic. Therefore, pre-built components and pre-defined patterns are always going to be the way to develop integration solutions, regardless of whether they are local or in the cloud.
Narayana is now the transaction technology, to get you ready for handling more-complex distributed transactions.
Jetty is deprecated and replaced by a more streamlined, lightweight web container: Undertow.
One of the most common questions I get from people just getting started with Fuse is, "Why do you need to have so many different options for runtime?" It's because we believe developers should be able to choose what best suits them, for example:
  • Spring Boot for microservices
  • Karaf 4 for OSGi lover
  • Red Hat JBoss Enterprise Application Platform for Java EE developers

A Cloud-Native Integration Platform

Building cloud-native applications can be complicated. Integrating them as well as making the integration solution itself be cloud-ready is even more challenging. You need to address the entire software lifecycle as whole, for example, creating applications with a smaller footprint, automating the deployment flow, and monitoring applications in a distributed environment.  Because the Fuse 7 platform's features and technology that take care of much of this complexity, integration teams can now focus on the most important thing: the business logic of the integration application.
Lightweight Development
Building a small-footprint microservice/service is the most fundamental thing when it comes to moving integration into the cloud. Both the Spring Boot and Karaf runtimes are lightweight and microservices-enabled. Developers can take advantage of pattern-based integration in Camel, and plugins help developers package their integration application as a container to be cloud-ready.

Hybrid Deployment  
After deployment, Fuse 7 helps developers to package the application into immutable images. Based on your versioning and deployment strategy, these images can be tagged and sent along to be deployed in different stages of the environment. The platform also takes care of the availability, scalability, and resiliency for the application; scaling up and down the application require just a few clicks in the UI. Or, if you prefer to automate that, you can.  The application not only runs in the cloud, it can also be run as a single, standalone application. All three runtimes are available to run in both scenarios.

Management That Provides a Centralized Application View
Managing a distributed cloud environment is a nightmare: instead of a couple instances, you now have thousands of individual running instances. Fuse gives you a centralized viewing console in the cloud environment, so it will be much easier to locate all the running Fuse instances. Also, each running application is managed by Red Hat OpenShift, which provides comprehensive features for managing applications in the cloud.

Low-Code Integration for Citizen Integrators
Another new feature introduced in Fuse 7 is the Red Hat Fuse Online self-service platform, which allows citizen integrators to build integration services on their own. Fuse 7 allows a company to have a single, standardized platform instead of having multiple pieces of technology for different user characteristics, allowing maximum collaboration between developers and citizen integrators. With the intuitive interface and the highly customizable components' capabilities, citizen integrators can quickly deliver an integration solution without waiting for a developer's implementation. And developers can concentrate on developing more-complex integration logic and also package that into the platform so the citizen integrators can re-use it on the fly.
When you log in to the platform, you will be greeted with an overview of all the available integrations and connectors as well as the status of the running integrations.

Integrations allow an integrator to create an application by simply dragging and dropping the pre-built connectors or by mapping between input source and output target data.

When there is a need for more-complex process, you can also add customized connectors by simply importing the project package into the system. The customized connectors can be created by the in-house developer or provided online from our open source community.

Try Fuse 7 Now

You can try the new version of the platform here:
So what are you waiting for? Start your new Fuse 7 adventure today.


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先來看一下 DataSource Subsystem, DataSource 的部分主要是針對Connection Pool 做調校。

通常,程式都會需要跟資料庫界接,電腦在本機,尤其是在記憶體的運算很快,但是一旦要外部的資源連接,就是會非常的耗資源。所以現在的應用程式伺服器都會有個Pool 放一些先連接好的 資料庫connection,當程式有需要的時候就可以馬上提供,而不用花那些多餘的資源去連接資料庫。

這就是為什麼要針對Connection Pool 去做調校。

以下會討論到的參數,都是跟效能比較有關係,Datasource 還有很多參數,像是檢核connection 是否正確的,我都不會提到。如果你追求的是非常快速的效能,那我建議你一個檢核都不要加。當然,這樣就會為伺服器上面執行的程式帶來風險。這就是你要在效能與正確,安全性上面的取捨了。 (套句我朋友說的話,不可能又要馬兒好,又要馬兒不吃草的..)

最重要的調校參數就是 Connection 的 Pool 數量。(也就是那個Pool 裡面要放幾條的connection.) 這個參數是每一個應用程式都不一樣的。


Connection Pool 最少會存留的connection 數量


Connection Pool 最多可以開啓的 connection 數量


事先將connection pool 裡面建立好min-pool-size 的connection.

我的建議是觀察一下平常程式要用到的量設定為 min-pool-size 。

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On …