Configuring Liferay for High Availability

Liferay Portal is a robust, enterprise-ready portal solution. As such, it is fully ready to support mission-critical, enterprise applications in an environment configured for multiple redundancies and 24/7 uptimes. The product, however, like other products of its kind, doesn’t come configured this way out of the box, so there are some steps that need to be taken to tune it for your needs.

This chapter covers these topics in detail. Liferay runs on so many different Java EE application servers that we can’t cover all the differences between them. For this reason, we’ll only discuss Liferay configurations. For example, we’ll look at how to configure Liferay to work in a clustered environment, but not how to create the cluster in your application server. The documentation for your particular application server is always a much better place to learn those kinds of things.

This chapter explains how to configure Liferay for a number of advanced scenarios, such as

  • Clustering

  • Distributed Caching

  • Deploying Customized versions of Liferay

  • Performance Testing and Tuning

  • Content Delivery Network

During the discussion, we’ll mention a number of other open source products upon which Liferay relies for much of this functionality. These products all have their own documentation which should be consulted for a fuller view of what these products can do. For example, Liferay uses Ehcache for its caching mechanism. We’ll cover how to configure Ehcache to enable caches in Liferay, but will refer you to that product’s documentation for further information about that product.

Sometimes Liferay supports multiple products which perform the same function. There are, for example, several single sign-on implementations you can use with Liferay. We’ll leave it up to you to select which product best fits the needs of your project without recommending one product over another.

With all of that said, let’s get started configuring Liferay for the enterprise.

Liferay Clustering

Liferay Portal is designed to serve everything from the smallest to the largest web sites. Out of the box, it’s configured optimally for a single server environment. If one server isn’t sufficient...

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Performance Tuning

Once you have your portal up and running, you may find a need to tune it for performance, especially if your site winds up generating more traffic than you’d anticipated. There are some definite...

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Content Delivery Network

A Content Delivery Network (CDN) is an interconnected system of servers deployed in multiple data centers that use geographical proximity as a criteria to deliver content across the Internet. For...

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Summary

We’ve seen how good a fit Liferay Portal is for the enterprise. It can be scaled linearly to grow to whatever size you need to serve your users. Liferay Connected Services lets you manage and...

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