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Liferay Portal Performance Best Practices
Liferay Portal Performance Best Practices

Liferay Portal Performance Best Practices: To maximize the performance of your Liferay Portals you need to acquire best practices. By the end of this tutorial you'll understand making the most appropriate architectural decisions, fine-tuning, load testing, and much more.

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Liferay Portal Performance Best Practices

Chapter 2. Load Balancing and Clustering Best Practices

In the previous chapter, we learned the reference architecture and architectural best practices of Liferay-Portal-based solutions. One of the key architectural concepts which we learned in the previous chapter is load balancing and clustering. We learned how horizontal scaling can fulfill performance and scalability needs. In this chapter, we will learn how to configure the software load balancer and cluster for Liferay-Portal-based solutions. We will also learn the best practices associated with each configuration step. We will cover the following topics in this chapter:

  • Basics of load balancing and clustering with Liferay

  • Load balancer configuration

    • Apache Web Server configuration

    • Application Server configuration

  • Clustering configuration

  • Ehcache configuration

  • Media Library configuration

  • Search configuration

  • Quartz job configuration

Let's gear up to start with the basics of load balancing and clustering with Liferay.

The basics of load balancing and clustering with Liferay


Load balancing is a technique to distribute load on multiple systems. In the previous chapter, we talked about the reference architecture of Liferay-Portal-based solutions. In our reference architecture, we referred to two levels of load balancing. The first level of load balancing is done by the hardware load balancer. The hardware load balancer distributes load among Apache Web Servers. As hardware load balancing is very specific to the load balancer appliance, we will not cover it in this book. The second level of load balancing is done by Apache web servers. Each Apache web server performs the role of software load balancer and distributes load among Liferay Portal application servers. In this chapter, we will focus on Apache Web Server based software load balancing.

To learn best practices associated with load balancing and clustering of Liferay-Portal-based solutions, we need to know how to configure the load balancer and cluster...

Setting up Liferay Portal nodes


As shown in the architecture diagram, we need to configure two Liferay Portal server nodes. Throughout the book, we will refer to both Liferay Portal servers as liferay-node-01 and liferay-node-02 respectively. Let's do that by following the ensuing steps:

  1. On liferay-node-01, create a directory named node-01 in the root directory, and then extract the Liferay Portal 6.1 GA2 bundle in it. Similarly on liferay-node-02, create a directory name, node-02, and extract the Liferay Portal bundle in it.

    Note

    We created node-01 and node-02 directories for easy reference to the Liferay installation directory throughout the book. It may not be required on production setup. Throughout the book we will refer to the node-01 directory for Liferay Portal installation on the liferay-node-01 server and the node-02 directory for Liferay Portal installation on the liferay-node-02 server.

  2. Create a new database schema in the MySQL Database server using the following command:

    create...

Software load balancer configuration using the Apache Web Server


Now, both the Liferay Portal server nodes are ready. As a next step, we need to configure the Apache Web Server to connect with both the Liferay Portal nodes and also distribute the load on both the Liferay Portal nodes. The Apache Web Server provides many options to connect with the Liferay Portal Tomcat server. But there are three options which are more popular. Let's understand these options and the scenarios in which they are best suitable.

Load balancer configuration using mod_jk

This option allows us to configure the load balancer using the mod_jk module of the Apache Web server. Internally, the mod_jk module connects with the Liferay Portal Tomcat server using the AJP protocol. Using this option, the Apache Web Server distributes all requests on the AJP port of Liferay Portal Tomcat servers. Let's learn how to configure the software load balancer using this option.

  1. Download and copy the mod_jk module in the <APACHE_HOME...

Liferay Portal cluster configuration


In the previous section, we learned about the software load balancer configuration using the Apache Web Server. In this section, we extend the setup by configuring the cluster between Liferay Portal Server nodes. To set up a cluster of Liferay Portal Server nodes, we need to ensure all shared resources are either centralized or replicated. The following list highlights the resources that need to be handled for cluster setup:

  • Liferay Portal web sessions: For every user conversation, a web session object is created and managed by the Liferay Portal application server. A web session object stores important data related to a specific user conversation. In a clustered environment, it is possible that subsequent user requests are served by different Liferay Portal nodes. So, it is very important to make sure that the same session object is available on all clustered nodes.

  • Cache replication: Liferay Portal, by default, uses the Ehcache caching framework for caching...

Summary


We have learned how to configure Liferay Portal in the clustered environment. We also learned how to configure the software load balancer using the Apache Web Server. We talked about various options and best practices related to load balancing and clustering configuration. We covered how to configure Media Library, search engine, cache, and scheduler to work in the clustered environment. With this knowledge, we can decide the best options to configure a load balanced and clustered environment.

Let's get ready to learn various configuration best practices to set up a high-performing Liferay Portal.

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Key benefits

  • Learn best practices for architecting high performing Liferay- based solutions
  • Practices for configuring a load balancer and cluster of Liferay portal
  • Find out how to perform load testing and performance tuning activity for Liferay- based solutions

Description

Liferay portal is the leading horizontal portal product available in the market. It was named lLeader in Gartner's Magic Quadrant for Horizontal Portals. Because of the flexibility offered by Liferay Portal for customizations, it is becoming a preferred best choice for portal implementations. Many influential sites have been implemented with or have switched to the Liferay portal. More and more Liferay developers and architects are needed in the IT industry.Liferay Portal Performance Best Practices will guide you in how to build high performing Liferay -based solutions. The book guides you on how to define the architecture of Liferay- based solutions to meet performance expectations. You will learn how to fine- tune the Liferay portal using configuration changes or applying the right caching strategy. By the time you finish reading, you will realize that you know all the essential best practices to improve the performance of the Liferay portal solution. The book comprises of Liferay portal performance best practices related to various aspects. It starts with the architecture and design best practices and ends with performance tuning and lLoad testing best practices. The book follows the logical flow. In the first chapter it talks about various architectural options and best practices. It also talks about the consequences of various architectural options. It talks about how to configure the Liferay portal to work in a clustered environment. It discusses the various options available in a cluster configuration. The book further talks about various configuration options of different components that are available for improving performance. The book also talks about various development best practices. It concludes with best practices related to load testing and a performance tuning exercise. Liferay Portal Performance Best Practices explains performance best practices with real examples and samples. By the end of this book, the reader will have learned everything he/she needs to know about Liferay portal performance best practices.

Who is this book for?

The book is good for Liferay portal developers and architects who want to learn performance best practices for implementing Liferay- based solutions. It is assumed that you have a working knowledge of the Liferay portal.

What you will learn

  • Make right architectural decisions to meet performance requirement
  • Implement software load balancer using Apache Web Server
  • Configure Liferay portal cCluster
  • Configure Cache Replication using different options
  • Improve performance by apache web server configurations
  • Tomcat server configuration best practices to improve performance
  • Tune Liferay portal using various configurations settings
  • EHCache based cache configurations
  • Terracotta based cache implementation
  • Learn portal development best practices
  • Perform lLoad testing and performance tuning exercise for Liferay- based solutions
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Publication date : Jun 10, 2013
Length: 150 pages
Edition : 1st
Language : English
ISBN-13 : 9781782163688
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Length: 150 pages
Edition : 1st
Language : English
ISBN-13 : 9781782163688
Category :
Languages :

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Table of Contents

6 Chapters
Architectural Best Practices Chevron down icon Chevron up icon
Load Balancing and Clustering Best Practices Chevron down icon Chevron up icon
Configuration Best Practices Chevron down icon Chevron up icon
Caching Best Practices Chevron down icon Chevron up icon
Development Best Practices Chevron down icon Chevron up icon
Load Testing and Performance Tuning Chevron down icon Chevron up icon

Customer reviews

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Full star icon Full star icon Full star icon Full star icon Half star icon 4.4
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Gabriel Mauricio Barrera H. Aug 22, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Una fuente de consulta siempre vigente en temas Liferay. Me gusta que da una visión global y posteriormente profundiza detalles técnicos a un buen nivel de detalle.
Amazon Verified review Amazon
Amazon Customer May 19, 2016
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Great book
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David A. Weitzel Jul 22, 2013
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Liferay Portal Performance Best Practices is a book that has been missing for along time. It fills the gap between developing and administering Liferay Portal installations by focusing on how to configure the system for best performance.The book achieves this high rating by being well structured and extremely easy to follow. When alternatives are available he covers this without being sidetracked from a particular chapter or section focus, usually then covering the details of the alternative in a later section. One good example of this is the use of SOLR search engine instead of the default and included Lucene.This is the first book that I have been able to read and comprehend easily in terms of how to set up load balancing and clustering and all the relevant connections needed to ensure cache and content is updated, once again covering the popular alternatives to standard out of the box Liferay.In chapter 3 the author covers many of the standard Liferay property settings and describes why they are there and hot to configure or turn them off if not needed, in order to get better performance. Settings such as the auto logins, url filters and so on. This chapter by itself is worth the money in that it serves as a check list of your portal.properties file for operational running and not development.The final chapter covers performance monitoring especially when doing load testing using scripted test engines but also to help identify bottlenecks in live operation. It is by no means an in depth instruction on the tools used but give the reader enough to get started and then look up individual reference books for more options and interpretation.In summary this should be essential reading for all staff responsible for deploying and supporting live Liferay installations.
Amazon Verified review Amazon
Chintan Mehta Jun 12, 2013
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Glad to be reviewer of this book. Samir Bhatt, author of the book has put his best efforts to share his knowledge in the domain. Book contents very precised areas of best practices and several approaches.
Amazon Verified review Amazon
Sebastián Filippini Jul 30, 2013
Full star icon Full star icon Full star icon Full star icon Full star icon 5
It is a great book that every architect or developer should read before install a Liferay-based solution, especially if it is a solution with many users. All key points are compiled in one place and there are various tips that can be applied to many general Java applications.
Amazon Verified review Amazon
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