Application performance measurement and Java performance

Application performance measurement is an important part of testing and refining a Java application. Performance and metrics standards help developers and QA teams make sure the application meets expectations and will function properly once it is deployed. In this section on software performance measurement, learn techniques to measure Java performance and application performance effectively and read news about trends in Java metrics.

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Tutorial 30 Mar 2022
A simple 'try with resources' in Java example

Java's 'try-with-resources' exception handling feature can help you write better, more effective Java code. Here's a quick example of the try with resources construct in action. Continue Reading
Tutorial 18 Mar 2021
How to use Epsilon GC to stop Java garbage collection

The best way to stop Java garbage collection from happening is to use the experimental Epsilon GC, no-op garbage collector from JDK 11. Learn how and when to use it. Continue Reading

Blog Post 24 Mar 2021

Five examples of recursion in Java

We often debate the merits of iterative vs recursive Java code. Let’s take a look at 5 Java recursion examples and see where the concept of recursion fits. Continue Reading
Tutorial 18 Mar 2021

How to use Epsilon GC to stop Java garbage collection

The best way to stop Java garbage collection from happening is to use the experimental Epsilon GC, no-op garbage collector from JDK 11. Learn how and when to use it. Continue Reading
Feature 11 Feb 2021

Use this Java performance tuning guide to optimize your JVM

There are two steps to Java performance tuning. First, assess your system to make sure it can improve. Then, optimize shared resources like CPU and memory. Continue Reading
Answer 27 Jan 2021

How to fix high Java CPU usage problems

The root cause of high Java CPU usage is not always simple to diagnose. Let's go over some common misdirections and review what often causes the problem under the hood. Continue Reading
Blog Post 28 Jul 2020

How AI can help with requirements analysis tools

Functional requirements and user stories create the blueprint for software applications. A good set of requirements can simplify developer's work when they translate business ideas into working ... Continue Reading
News 07 May 2020

Oracle's Project Leyden uses static images to ease Java pain

Oracle's new Project Leyden introduces static images to help ease long-standing Java language shortcomings such as slow startup times and unwieldy footprints. Continue Reading
Blog Post 24 Feb 2020

Top 5 benefits of client-side rendering frameworks

As the name of this site implies, we're big advocates of server-side technologies. But we also recognize that integrating client-side technologies into the web architecture can be advantageous as ... Continue Reading
Blog Post 21 Feb 2020

Easy JavaScript performance optimization tips for a speedy site

JavaScript can deliver highly interactive websites that actively engage the user in a way HTML alone never could. However, the increased engagement levels come with a performance cost that can ... Continue Reading
Opinion 17 Oct 2019

Is Java slow? Compared to C++, it's faster than you think

If you find that Java is slower than other languages, such as C++, here's how to better compare the two and the major differences between compiled and interpreted languages. Continue Reading
Feature 27 Aug 2019

Top Java programming tools used in application development

There's a multitude of Java tools that help the software development process. Here's a list of Java tools and technologies that every programmer should be aware of. Continue Reading
Blog Post 01 May 2019

Java's UnaryOperator in Lambda expressions example

Do you need an example of how to use Java's UnaryOperator in a functional Lambda expression? This tutorial shows you where when and how to use the UnaryOperator interface in a function. Continue Reading
Blog Post 19 Feb 2019

A simple Java Function interface example: Learn Functional programming fast

Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example. Continue Reading
Blog Post 04 Feb 2019

A quick look at inferred types and the Java var keyword

Here's a quick look at the Java var keyword and what it looks like when you use inferred types in your code. Continue Reading
Blog Post 01 Oct 2018

How women in technology expand the cloud horizon

Cloud computing has been around for more than a decade and has matured at a remarkable rate. Today, most organizations can’t imagine surviving without the cloud—even if they still host some ... Continue Reading
Blog Post 15 Aug 2018

Cloudfare puts early mobile network performance in the hands of devs

New mobile troubleshooting tools can help correlate different mobile network issues. Fixing mobile network performance problems has never been so easy. Continue Reading
Video 11 Aug 2018

SonarQube tutorial: Get started with continuous inspection

Consider this popular continuous inspection tool. In the first part of this SonarQube tutorial, we'll show you the seven deadly SonarQube metrics. Continue Reading
Video 26 Jul 2018

Step-by-step Spring Boot RESTful web services example in Java using STS

In a previous tutorial, we explained the basic tenets of good RESTful web service design. In this step-by-step Spring Boot restful web services example, we implement it. Continue Reading
News 25 Apr 2018

Google Stackdriver APM enhances app monitoring

Additional profiling, debugging and tracing tools for Google's Stackdriver suite expand application performance management services for developers. Continue Reading
Feature 27 Dec 2017

New distributed tracing API completes the feedback loop

As apps get moved to the cloud and software has no fixed address, tracing and troubleshooting are challenges. However, a new distributed tracing API promises to simplify things. Continue Reading
Tip 08 Dec 2017

What's the best image optimization for web and mobile apps?

When it comes to images and application development, the optimization opportunities are endless. Expert George Lawton outlines the choices and the challenges. Continue Reading
Blog Post 04 Oct 2017

Java SE 9 approaches Atari-like performance at JavaOne 2017

As things get better, they often get slower, making better things worse. Far too often, that’s how things work in the tech sector, which is why I’m glad to see the architects of Java SE 9 bucking ... Continue Reading
News 12 Sep 2017

Calling 'all aboard' on the six-month Java release train

If Oracle moves to a six-month Java release cycle instead of the existing feature-driven one, what happens next? We talk to Azul's Gil Tene about Mark Reinhold's proposal. Continue Reading
Feature 16 Aug 2017

How a data cache can solve your JavaScript performance problems

There are many barriers to improved web application performance, but using a data cache effectively can break down many of those performance barriers. Continue Reading
Feature 28 Jun 2017

How Pokemon Go needed a Kubernetes powered Java cloud

How did Pokemon Go scale so well? A big part of its scalability was the Java cloud platform that leveraged containers and Kubernetes. Continue Reading
Feature 14 Jun 2017

Changing lives through improved application performance

Find out how Cure.org improved application performance management to fine tune their website, increase donations, and make a difference around the world. Continue Reading
Tip 09 Jun 2017

Improving plant production performance with IT in the agriculture industry

How is big data and IT helping the agriculture industry? By looking at information in new ways, technology is helping to improve plant production performance. Continue Reading
Blog Post 05 May 2017

Can JVM performance in the cloud really compete with bare-metal metrics?

Surely in the world of high performance computing, there is still a place for running Java on a bare-metal machine, right? Yet according to Gil Tene and Azul's JVM performance experts, they're ... Continue Reading
Feature 04 May 2017

DevOps performance teams using AIOps for app performance insights

Find out how enterprise organizations are beginning to leverage algorithmic IT operations to mine performance logs and improve application performance. Continue Reading
Feature 17 Apr 2017

Tips for avoiding external and internal API performance issues

After convincing users to integrate into your system, the last thing you want is for them to suffer from API performance issues. Ensure users that API performance isn't a problem. Continue Reading
Feature 13 Mar 2017

GPU computing key to machine learning and big data performance

While the CPU remains central to data processing, massive gains in the area of AI analytics and dig data performance are being seen when GPU computing is thrown into the mix. Continue Reading
Blog Post 15 Nov 2016

Developments in WebRTC: Real-Time Communication and the Transformation of Communication

Web Real-Time Communication as an API definition and framework has made a huge impact in the communications arena by empowering users to instantly share multi-media across a wide array of devices. Continue Reading
Feature 24 Aug 2016

Fighting censorship through anonymous browsing with the Hola app

From avoiding censorship to avoiding government controls, the Hola app has simplified anonymous browsing for its clients. Continue Reading
Podcast 04 Aug 2016

Gil Tene extols the benefits of hardware transactional memory at QCon

Everyone likes a feature that improves performance out of the box, which is why hardware transactional memory has become such a hot topic at QCon 2016 Continue Reading
News 22 Jun 2016

Appease DevOps concerns with container as a service Docker deployments

At DockerCon 2016, the big trend from exhibitors is the container as a service, creating a smooth path for Docker adoption. Continue Reading
News 21 Jun 2016

Docker security, container performance the hot topics at DockerCon 2016

Operation teams are always concerned about software vulnerabilities, but at DockerCon 2016, vendors are working hard to allay those Docker security concerns. Continue Reading
News 15 Jun 2016

Will server hardware perform faster with transactional memory?

For many Java applications doing list processing, having transactional memory built right into Intel's commodity CPUs will result in greater server hardware performance. Continue Reading
News 16 May 2016

Beachbody pumps up application performance monitoring tools

Costly website and app downtime spurred an application performance monitoring tools makeover at Beachbody. Learn how the fitness firm chose and deployed new APM tools. Continue Reading
Blog Post 05 May 2016

APM and programming does not need to be that hard

We live in an information society where new advancements have consistently made the technological landscape an exciting one. And programming obviously plays a crucial role in making these new ... Continue Reading
Tip 12 Apr 2016

Lasting impacts of software failure and poor application performance

Customers have a short memory and lots of alternatives, so organizations must ensure that poor performance and software failure doesn't leave a lasting impression on users. Continue Reading
News 11 Apr 2016

Improving Web app performance as simple as embracing HTTP/2

Learn about how the rapidly growing HTTP/2 protocol can improve Web app performance and reduce development headaches. Continue Reading
Feature 25 Mar 2016

The five keys to mastering software analytics, logging and reporting

Simply turning on an analytics engine, going over logs and generating a report isn't enough to understand your software. Here are five keys to getting the most out of your analytics. Continue Reading
Feature 03 Jan 2016

Simplified messaging and microservice development with PHP's PSR-7

Here we take a look at PHP's PSR-7, and how this new specification will help simplify microservice development while enhancing application messaging at the same time. Continue Reading
Feature 22 Dec 2015

The benefits of integrating blockchains into distributed enterprise architectures

Blockchains aren't just for Silk Roaders paying with Bitcoins. Integrating blockchains into a distributed enterprise architectures has many benefits. Continue Reading
Feature 22 Dec 2015

Learn why Azul Zing is the Editors' Choice for Innovation

Azul Zing collects garbage out of enterprise Java workloads. Learn more about this innovative product. Continue Reading
News 09 Dec 2015

Exploring a software architect's favorite Oracle JavaFX tools

At JavaOne 2015, Java enthusiast Rob Terpilowski discusses why he's still a fan of Oracle JavaFX tools. Continue Reading
News 20 Nov 2015

Pressure to hire Java developers intensifies in Seattle

To hire Java developers, Seattle software architect Rob Terpilowski has to compete against local heavyweights like Amazon. Continue Reading
Tip 02 Oct 2015

Are production performance problems plaguing your work?

ZeroTurnaround's Jevgeni Kabanov clarifies the three major pain points for production performance and how best to avoid them. Continue Reading
Podcast 25 Sep 2015

XRebel changes application performance monitoring tools

In this podcast, ZeroTurnaround's Jevgeni Kabanov discusses how XRebel differentiates itself from competing application performance monitoring tools on the market. Continue Reading
Tip 09 Sep 2015

What makes good software development tools great?

Find out what separates the good software development tools from the great. Continue Reading
Tip 28 Aug 2015

Meet the challenge of optimizing system performance

Finding the right metrics for optimizing system performance is challenging. A software engineer offers tips for removing barriers to top performance. Continue Reading
Feature 09 Jul 2015

Addressing the SPI performance issues you don't realize you already have

New frameworks like Angular and Ember make creating applications with a single-page-interface (SPI) easier than ever. But quite often the performance feedback never gets back to the server, especially given the fact that all of that code runs on the client. Here's how to deal with the SPI performance problems you didn't know you had. Continue Reading
Feature 07 May 2015

A new approach to condensing data leads to a 99% compression rate

Given the enormous thirst for data, coupled with the finite existence of copper and fiber optic cables that link clients and servers together, the need for powerful compression algorithms is self-evident. Has XLABS solved the problem with a 99% rate? They just may have. Continue Reading
Feature 04 May 2015

The next generation of cloud management and monitoring (CMM) tools with Aternity

Cloud management and monitoring (CMM) presents new challenges in this world of distributed data, distributed compute nodes and abstract hypervisors. Aternity is helping to solve many of these problems with their latest offerings. Continue Reading
Feature 27 Apr 2015

Failing to integrate security with DevOps? Do so at your own peril

Security is often considered as an afterthought in the software development lifecycle. But organizations need to keep up with vulnerabilities as they move to more agile DevOps practices. Read on for some best practices in building a security conscious culture. Continue Reading
Feature 15 Jan 2015

Will value types and structured arrays be Java 9's cap feather?

Scalability and performance are always issues that dog the Java platform. But with so many lessons learned from languages like Scala and Clojure, will Java 9 take on these scalability issues by introducing immutable types like structured arrays and value types? Continue Reading
Tip 28 Oct 2014

Incorporating Google Maps to the Java desktop

Rob Terpilowski discusses how he and his architect team brought Google Maps to the Java desktop in this video from JavaOne 2014. Continue Reading
Feature 15 Oct 2014

Choosing the right log aggregator to mine your performance data

To maintain and improve an existing system, being able to read and understand log files is an absolute requirement. Here we look at how various logging technologies compare with each other. Continue Reading
Tutorial 07 Sep 2014

Advanced JSF Tutorial: The single page interface (SPI) with Facelets, Ajax and HTML5

Some say it's impossible, but if you really understand the technology, you will realize that creating a single page interface (SPI) with JSF, Facelets, Ajax and HTML really isn't all that hard. In fact, JavaServer Faces makes it pretty easy! Continue Reading
Tutorial 19 Jul 2014

Turning a web page into a JSF 2.0 template with Facelets

How do you take a web page and turn it into a template using Facelets as the template engine? It takes some JSF, some HTML, maybe some CSS, and lots of JSF UI tags, but overall, it's an easy and simple process if you follow this tutorial. Continue Reading
Tip 01 May 2014

Improving Java performance by minimizing Virtual Machine (JVM) latency

Users demand that their applications run fast, but working with Java bytecode presents optimization problems that other architectures do not encounter. Here we look at how to improve the performance of the Java Virtual Machine (JVM) by minimizing the latency involved with bytecode to native code compilation steps. Continue Reading
Feature 02 Mar 2014

The three most common NoSQL mistakes you don't want to be making

More and more organizations are using NoSQL to solve various data persistence problems. But sometimes the rush to use a new technology can cause problems. Here are three common NoSQL mistakes adopters of the technology will want to avoid. Continue Reading
Feature 01 Mar 2014

Top five reasons why Scala might not be the right choice for your next project

There is a time and a place for everything, but is it the right time to use Scala in your next project? Sometimes sober second thought is a good thing, so if you're thinking about moving to Scala, here are a few warnings you might want to heed. Continue Reading
Tip 05 May 2013

Tomcat performance optimization through consolidated log file handlers

By default Tomcat uses several log file handlers, but performance can easily be optimized by configuring the server to use only one. Continue Reading
Tip 12 Mar 2013

Performance and troubleshooting tips for JSF 2.0 Facelet developers

JSF 2.0 has provided a variety of new configuration settings to help improve performance and aid the troubleshooting task, making the lives of software developers and quality engineers much easier. Continue Reading
Feature 06 Feb 2013

Contrasting distributed computing with concurrent programming:

In many ways, concurrent programming and distributed programming address the same set of programming issues, but there are significant differences between the two, and architects and developers need to understand the difference. Continue Reading
Feature 16 Nov 2012

Cloud Deployment Testing: Leveraging PaaS, Saas and IaaS

Many challenges arise when it comes time to deploy your applications, and if deployment goes wrong, the problems are incredibly visible to both the users and upper management. But with cloud computing, there is a better way to smooth out the deployment process. Continue Reading
Feature 01 Nov 2012

Application lifecycle management: Best practices for improving the deployment process

Nothing is more visible to both clients and senior management than an applications that doesn't work. And the risk for failure is never higher than it is the moment after deployment. So how do you ensure deployment always goes smoothly. There is no silver bullet, but there are some best practices for deployment, which we will examine in this article. Continue Reading
Tip 24 Oct 2012

Consistent application performance: It's not always about speed

When developing applications, the response time is always an important metric. But inconsistent response times can often be more aggravating than slow sites. Make sure you take response time consistency into your application performance reviews. Continue Reading
Tip 24 Oct 2012

How to articulate and define performance requirements

Don't fall into the trap of failing to define performance requirements for your applications early on in the application lifecycle. If you follow this quick tip, you'll find that articulating your performance requirements isn't that hard. Continue Reading
Feature 18 Oct 2012

Web page performance: Removing the white flicker delay

Looking for ways to improve the performance of web page rendering and removal of the white flicker that often occurs when a web page loads? There are many tweaks and tips commonly talked about regarding web page development – from design to the final deployment of an application. However, most of the end user's time is spent on the front end, hence from the user's perspective the most promising area to look for improvement is with the web page and how speedily the web pages loads when user clicks on a link or URL. Continue Reading
Feature 25 Jul 2012

Discovering the right metrics for scalability testing

Scalability testing is perhaps the most important test you need to run on your application before going forward with deployment. But how do you know when you've proven that your application can scale. Here we take a look at some of the most important metrics to measure when testing the scalability of your applications. Continue Reading
Feature 01 Jun 2012

Scaling Web applications with Scala, Clojure and Groovy

Scaling Web applications written in Java can be difficult due to thread concurrency and locking issues. However, immutable peripheral languages like Scala, Groovy, and Clojure can make scaling up more feasible. Continue Reading
Tip 07 May 2012

Automate Web server load balancing for high scalability

Automating Web server load balancing tasks provides high scalability for enterprise applications. Continue Reading
Tip 26 Jan 2012

Java 7 and the intricacies of safe and unsafe casting

One of the problems with casting is that it does have the potential to cause a loss of precision, especially if the number that gets cast does indeed fall outside of the range of the target type. Here we will explain why this happens. Continue Reading
Tutorial 22 Dec 2011

New Java 7 Features: A Numeric Underscores with Literals Tutorial

If you're doing the OCPJP upgrade exam, or just hitting the full blown OCPJP 7 Java certification, you need to know the ins and outs of the new language features. One fun and friendly syntax introduced with Java 7 is using numeric underscores. It's also an objective on the OCPJP7 exam: Using Numeric Underscores with Literals Continue Reading
Tutorial 15 Dec 2011

New Java 7 Features: Binary Notation and Literal Variable Initialization

Now with Java 7, you can not only use standard decimal notation, or the beloved hex notation, but you can use binary notation as well. Here's a good look at the ins and outs of binary notation, with a focus on what you'll need to know in order to pass the Java Professional certification exam from Oracle. Continue Reading
Tip 15 Jun 2011

Performance monitoring tools optimize Java applications

By taking advantage of Java monitoring and performance tuning tools, developers can expect to see consistent application performance across all hardware and operating systems. Continue Reading
Feature 01 Feb 2011

Developing for the cloud: How developing in the cloud is different

The benefits of cloud computing have been widely touted – business agility, scalability, efficiencies and cost savings among the top – and companies are migrating and building mission-critical Java applications specifically for cloud environments at a growing rate. TheServerSide caught up recently with Bhaskar Sunkara, Director of Engineering at AppDynamics, an application performance company focused on Java and cloud applications, to discuss the challenges in developing Java applications for the cloud and managing them once they’re there. Continue Reading
Feature 18 Nov 2010

Comparing MySQL and Postgres 9.0 Replication

Replication is one of the most popular features used in RDBMS’s today. Replication is used for disaster recovery purposes (i.e. backup or warm stand-by servers), reporting systems where query activity is offloaded onto another machine to conserve resources on the transactional server, and scale-out architectures that use sharding or other methods to increase overall query performance and data throughput. Continue Reading
Tip 23 Aug 2010

12 Best Practices for Optimizing the JBoss EAP Platform

Looking to improve the performance of your JBoss EAP Platform? Here are a few tips that'll help you optimize your distibuted JBoss infrastructure. Continue Reading
News 01 Mar 2008

Performance Engineering - a Practitioner's Approach to Performance Testing

With every passing day, organizations are becoming more and more conscious about the performance of their Enterprise Solutions. As the IT industry matures and the technology evolves, so does the awareness about expectations from an Enterprise Application. Continue Reading
News 01 Jun 2004

Enhancing Web Application Performance with Caching

Memory is a constant bottleneck for large, busy applications. Effective caching strategies can both lower the memory footprint and speed up the application. Caching is a well known optimization technique because it keeps items that have been recently used in memory, anticipating that they will be needed again. Continue Reading
News 01 May 2002

Improving J2EE Application Performance

This article describes how to achieve a high level of performance in a J2EE application, independent of which Application Server you use. Continue Reading