DZone

JANUARY 6, 2024

In the realm of Java development, optimizing the performance of applications remains an ongoing pursuit. Profile-Guided Optimization (PGO) stands as a potent technique capable of substantially enhancing the efficiency of your Java programs.

Java 177

Java Performance Tuning Programming 177

DZone

JUNE 17, 2020

Does every performance engineer need to know about how memory in Java works? To completely fine-tune the java performance bottlenecks for high performance my answer is YES. Java has automatic memory management, a garbage collector that works in the background to clean up the unused/unreferenced objects and free up some memory.

Java 305

Java Performance Testing Performance Testing 305

DZone

FEBRUARY 27, 2021

Considering all aspects and needs of current enterprise development, it is C++ and Java which outscore the other in terms of speed. So much for my blog title :-) So when these titans are pit against each other in real-time, considering all aspects of memory and execution time — Java is floored. JAVA SOLUTION (Will Be Uploaded Later).

Java 207

Java C++ Benchmarking Programming 207

DZone

JANUARY 24, 2020

Troubleshoot your Java application, the Sherlock Holmes way. Java application failure troubleshooting can be closely associated with the typical crime scene investigation. I read few Sherlock Holmes classic stories in recent times at home, while struggling to solve the Java application failure mysteries at the office.

Java 268

Java Performance 268

DZone

MARCH 12, 2020

We started reading official documentation, tutorials, blog posts and articles about Go, especially ones where authors shared their experiences of migration from Java to Go or comparison Java with Go, as at that moment, we'd been using Java for 15+ years.

Java 283

Java Testing Google Programming 283

DZone

AUGUST 5, 2020

I feel that in the modern world of development, there are too many factors to pick a single tool for debugging any language, let alone Java. In The Beginning.

Java 252

Java Systems Development Performance 252

DZone

SEPTEMBER 8, 2023

Parallel garbage collector (Parallel GC) is one of the oldest Garbage Collection algorithms introduced in JVM to leverage the processing power of modern multi-core systems. Parallel GC aims to reduce the impact of GC pauses by utilizing multiple threads to perform garbage collection in parallel.

Tuning 243

Tuning Java Systems Processing 243

Dynatrace

APRIL 10, 2020

But let’s start from the beginning: Step #1 – Switching to Java 11. In order to leverage the new Memory Profiling feature I’s necessary that you upgrade to Java 11 as this version introduces new capabilities ( JEP 331 ) that allow tool vendors like Dynatrace to capture memory allocation information at run-time with zero overhead.

Java 255

Java Performance DevOps Engineering 255

DZone

JULY 24, 2022

Sun released update 14 of the Java 6 JDK and JRE. As well as the usual collection of bug fixes, this release includes some experimental new features designed to improve the performance of the JVM (see the release notes ). One of these is Escape Analysis. What Is Escape Analysis?

Java 198

Java Benchmarking Design Performance 198

Dynatrace

MARCH 31, 2022

CVE recently published three new critical vulnerabilities in the Java Spring Framework, including one called Spring4Shell. Many applications are potentially affected, as Spring dominates the Java ecosystem , with 60% of developers using it in their main Java applications. This article was co-authored with Robin Wyss.

Java 190

Java Cloud Availability Code 190

DZone

JULY 21, 2023

There are many common mistakes I’ve seen repeated over the years while trying to make observability initiatives successful. However, the most critical and fundamental of these organizational stumbles is the irresistible infatuation with technology and toolings themselves. It should not come as a surprise.

Code 237

Code Java Technology Technology 237

DZone

APRIL 21, 2019

These pauses are sometimes called Stop-The-World pauses, and the minimization of them is the primary concern of GC tuning, as they can have a huge impact on the performance of a Java application.

Tuning 277

Tuning Java Performance 277

Dynatrace

MAY 13, 2021

Today, Dynatrace is happy to announce OneAgent support for discovering and automatically capturing OpenTelemetry trace data for Java. PurePath integrates OpenTelemetry Java data for enterprise-grade collection and contextual analytics. OpenTelemetry Java API version 1.0.0 OpenTelemetry Java API version 1.0.0 Settings? >

Java 156

Java Analytics Metrics Monitoring 156

DZone

DECEMBER 4, 2019

Learn how to make your Java applications performance perfectly. In this blog post, we shall go over various aspects that have to be taken care of to extract maximum performance out of a Java Application running on Linux. Ensure there is enough RAM to hold your java process. Swapping java process to disk is a performance killer.

Tuning 147

Tuning Java Performance Hardware 147

DZone

NOVEMBER 2, 2020

Let's start with Zoom, an incredible video-conferencing application on which almost today's world relies on was developed using JAVA and C++. Two great examples to support the same statement would be the following. The second example will be a food ordering application that again depends on several different coded script lines.

Java 247

Java Programming C++ Code 247

InfoQ

FEBRUARY 11, 2024

Over 90% of Java applications have migrated to PSC with minimal changes. Pinterest open-sourced its generic PubSub client library, PSC, which has been heavily used in production for a year and a half. The library helped the engineering teams by increasing developer velocity, and the scalability and stability of services using it.

Open Source 96

Open Source Java Scalability Engineering 96

DZone

JANUARY 22, 2020

Measure Java performance! From JDK-12 onwards, the JDK comes with JMH (Java Microbenchmark Harness), It is a toolkit that helps you implement Java microbenchmarks correctly. JMH is developed by the same people who implement the Java virtual machine (JVM) so they know the internals and how Java makes optimizations at run time.

Java 162

Java Benchmarking Performance Virtualization 162

DZone

APRIL 18, 2019

The implementation is in core Java. Mowglee is a multi-threaded geo web crawler in Java. To do this, you should have intermediate to expert level core Java skills, an understand of the intricacies of multi-threading in Java, and an understand of the real-world usage of and need for web crawlers.

Java 196

Java Systems Performance 196

Dynatrace

DECEMBER 9, 2020

Therefore, we’re happy to announce support for OpenTracing data that’s emitted by auto- and custom-instrumentation of Java source code with Dynatrace PurePath 4, our distributed tracing and code-level analysis technology. Find OpenTracing for Java seamlessly integrated into PurePath 4. Already a Dynatrace customer?

Java 234

Java Traffic Architecture Strategy 234

Dynatrace

MARCH 9, 2022

The post Optimizing Java XPath CPU and memory overhead by 98% appeared first on Dynatrace blog. They promised me some more good stories and lessons learned so that we can all start planning to visit Qatar knowing that the whole end-2-end immigration process will be fast and reliable.

Java 223

Java Traffic Government Code 223

DZone

NOVEMBER 20, 2019

You may also like: Java-Distributed Caching in Redis. Redis developers who want to do local caching in Java will find that Redis doesn’t support this functionality out of the box. In this article, we’ll discuss how you can take advantage of local caching in Java and Redis with a third-party Redis Java client such as Redisson.

Cache 173

Cache Java Database Performance 173

DZone

APRIL 6, 2023

Spring Cloud and Kubernetes both complement each other to build a cloud-native platform and run microservices on the Kubernetes containers. Kubernetes provides many features which are similar to Spring Cloud and Spring Config Server features. Spring framework has been around for many years.

Java 243

Java Cloud Servers Code 243

DZone

MAY 12, 2019

You may already know that JUnit and Mockito are two of the most popular testing libraries for Java applications, and you will find them in almost every Java application classpath. I often meet and work with Java developers who know Java well but haven't written a single unit test.

Java 189

Java Testing DevOps Code 189

DZone

JUNE 18, 2019

In my previous article, I wrote about the Modularity System , which was introduced in Java 9. With this writing, I would like to continue the Java evolution line by taking a glance about the main Java 9 features according to the performance improvements. Java 9 Feature: Performance Improvements.

Java 100

Java Performance Systems 100

DZone

MAY 9, 2019

One of the best tools we have today for understanding application behavior and troubleshooting performance issues are Java profilers. Java profilers monitor JVM execution at the bytecode level and can provide information on thread execution and locks, heap memory usage, garbage collection, hot methods, exceptions, class loading, and more.

Java 100

Java Monitoring Code Performance 100

DZone

SEPTEMBER 9, 2019

How well does your Java perform? The traditional way of iterating in Java has been a for-loop starting at zero and then counting up to some pre-defined number: private static final int ITERATIONS = 10_000; @Benchmark public int forUp() { int sum = 0; for (int i = 0; i < ITERATIONS; i++) { sum += i; } return sum; }.

Java 122

Java Performance Benchmarking 122

DZone

DECEMBER 3, 2019

Automate Appium Java Tests In Parallel. The beauty of Appium for mobile testing is that its tests can be written in any programming language including Python, Ruby, Java, JavaScript, and C#.

Java 130

Java Testing C++ Programming 130

Dynatrace

JULY 21, 2020

Although these COBOL applications operate with consistent performance, companies and governments are forced to transform them to new platforms and rewrite them in modern programming languages (like Java) for several reasons. Thus, implementing applications in Java can result in considerable financial savings. IBM Java version 7.

Java 179

Java Database Government Programming 179

Uber Engineering

JUNE 15, 2021

It also … The post Handling Flaky Unit Tests in Java appeared first on Uber Engineering Blog. It warns software engineers of bugs in newly-implemented code and regressions in existing code, before it is merged. This ensures increased software reliability.

Java 120

Java Testing Software Engineering Engineering 120

DZone

FEBRUARY 21, 2022

The AngularAndSpring project runs on startup (@Async + @EventListener) or once a day (@Scheduled) the average calculation of the quotes. It is implemented in the PrepareDataTask class. It gets started on startup by the TaskStarter class. It calculates the averages for newly available quotes.

Java 246

Java Performance Availability 246

DZone

MAY 17, 2019

Generally, a unit should be a small part of the application — in Java, it is often a single class. Unit testing is the practice of testing individual units or components of an application, in order to validate that each of those units is working properly.

Best Practices 240

Best Practices Java Testing Strategy 240

DZone

MARCH 21, 2024

This post continues my exploration of concepts and techniques related to both the way so-called “Jewish times” (zmanim) are calculated; as well as the techniques needed to use the PHP Zmanim library – a library of functions that let you easily calculate Jewish times.

Java 274

Java 274

DZone

APRIL 18, 2019

What Are Java Profilers? A Java Profiler is a tool that monitors Java bytecode constructs and operations at the JVM level. They all come for a very affordable price: free. No trials, no license purchases – just the tools you need to delve behind the scenes of your code execution.

Java 154

Java Processing Monitoring Code 154

DZone

JULY 16, 2019

Most Java developers have had to debug their applications, usually to find and fix an issue there. This is where JDWP (Java Debug Wire Protocol) comes into play. Sometimes, however, the debuggee JVM is launched from a separate command line, or by executing it on a separate host. What is JDWP?

Java 100

Java Transportation Programming Development 100

DZone

OCTOBER 8, 2019

Something to test Java's performance. Managing an application’s performance, and specifically keeping it in good condition, is one of the hardest challenges in software development. That’s true for virtually any programming language and platform.

Java 150

Java Performance Virtualization Programming 150

DZone

AUGUST 16, 2019

ArrayList and LinkedList are frequently used classes in the Java collection framework. If you know only understand basic performance comparisons of ArrayList and LinkedList , but not the minor details of these two classes, then this article is for you. " ArrayList should be used where more search operations are required, and.

Java 133

Java Performance 133

DZone

FEBRUARY 6, 2024

If you have friends who are learning to code, I'd appreciate a reference to my Java Basics book. If you want to get back to Java after a while, check out my Java 8 to 21 book. As a side note, if you like the content of this and the other posts in this series, check out my Debugging book that covers this subject.

Java 245

Java Servers Systems Code 245