DZone

SEPTEMBER 8, 2023

Parallel GC aims to reduce the impact of GC pauses by utilizing multiple threads to perform garbage collection in parallel. 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.

Tuning 243

Tuning Java Systems Processing 243

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

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

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

DECEMBER 5, 2023

In the previous articles, you learned about the virtual threads in Java 21 in terms of history, benefits , and pitfalls. In addition, you probably got inspired by how Quarkus can help you avoid the pitfalls but also understood how Quarkus has been integrating the virtual threads to Java libraries as many as possible continuously.

Virtualization 208

Virtualization Java Performance Programming 208

DZone

APRIL 21, 2019

The garbage collector performs it's work using one or more threads. This is why garbage collectors must pause all application threads when performing certain tasks.

Tuning 277

Tuning Java Performance 277

DZone

SEPTEMBER 9, 2019

How well does your Java perform? Iteration Performance. There are many views on how to iterate with high performance.

Java 122

Java Performance Benchmarking 122

DZone

NOVEMBER 15, 2023

I will use a PostgreSQL database and a demo Java service to compare query speeds. Today we will touch on two topics at once. These are measurements of search speed by key and data types for the key on the database side.

Database 286

Database Java Performance Speed 286

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

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

Dynatrace

MARCH 9, 2022

As this was the first time in years that systems started to experience major disruption a team of performance experts was gathered who were quick to identify: Root cause : Old way of using XPath (full search). Perform an audit on default settings of the application server. Now – this is not the end of the blog.

Java 223

Java Traffic Government Code 223

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 Database 156

DZone

SEPTEMBER 4, 2021

As performance engineers, it is our responsibility to learn various tools and technologies. Let us see HTTP Toolkit for Performance Engineers. Android apps, Python, Java, Ruby, and all terminal-based apps, and Electron apps. In this blog post, we are going to deep-dive into the HTTP Toolkit and its features.

Engineering 274

Engineering Performance Open Source Java 274

DZone

NOVEMBER 20, 2019

You may also like: Java-Distributed Caching in Redis. Local caching is one of the most useful tactics for improving the performance of databases such as Redis. Redis developers who want to do local caching in Java will find that Redis doesn’t support this functionality out of the box. Boost Redis.

Cache 173

Cache Java Database Performance 173

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

DZone

JULY 1, 2019

Memcached is an easy-to-use, high-performance, in-memory data store. It offers a mature, scalable, open-source solution for delivering sub-millisecond response times, unlike databases that store data on disk or SSDs, Memcached keeps its data in memory. This tutorial will cover how to use Memcached in Jakarta EE with Eclipse JNoSQL.

Java 203

Java Performance Open Source Scalability 203

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 95

Open Source Java Scalability Engineering 95

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

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.

Java 179

Java Government Database Programming 179

DZone

JUNE 9, 2021

In every project performance testing, assessment, and resolution become the key phase before going to production. Additionally, the focus will be on Java-based web applications mainly while some of the details are generic and applicable to other platforms and technologies.

Engineering 201

Engineering Performance Java Performance Testing 201

DZone

MAY 9, 2019

One of the best tools we have today for understanding application behavior and troubleshooting performance issues are Java profilers. How Java Profilers Work. Profilers inspect the state of a JVM either by passively listening for events from the JVM or by actively querying the JVM for its state.

Java 100

Java Monitoring Code Performance 100

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

DZone

JUNE 4, 2019

While solving issues related to NFRs (especially application performance), I always think about why we as developers give less importance (honorable exceptions are always there) to performance. Many times, we start thinking of performance only at the time of a performance test or after deployment.

Java 100

Java Performance Performance Testing Testing 100

DZone

DECEMBER 7, 2023

In Java, the finalize method has been part of the language since its early days, offering a mechanism to perform cleanup activities before an object is garbage collected. However, using finalizers has come under scrutiny due to several performance-related concerns.

Java 231

Java Processing Performance 231

DZone

OCTOBER 6, 2023

Apache JMeter is an open-source, Java-based tool used for load and performance testing of various services, particularly web applications. JMeter can simulate heavy loads on a server to analyze performance under different conditions. It supports multiple protocols like HTTP, HTTPS, FTP, and more.

Java 255

Java Government Open Source Performance Testing 255

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

Dynatrace

SEPTEMBER 15, 2020

In my recent Performance Clinic with Stefano Doni , CTO & Co-Founder of Akamas , I made the statement, “Application development and release cycles today are measured in days, instead of months. Increase in environment complexity and increased frequency in delivery requires a novel approach to performance optimization.

Performance 186

Performance Java Metrics Cloud 186

DZone

SEPTEMBER 23, 2019

It is possible to improve the performance of application servers using Servlet 3.0 Spring makes it easy to write Java applications. Spring Boot allows us to quickly create Spring applications: build and run a Java application server with embedded Tomcat and your own controller in less than 5 minutes. async, but is it necessary?

Java 183

Java Performance Servers 183

DZone

DECEMBER 31, 2020

Why Do We Need a SQL Performance Review? To provide performance audits with data points. During development (PLSQL/Java/OA Framework/XML Publisher), tag all the desired SQL queries with a code comment (Release Name/User Story Number). Generate a report with queries which could impact performance.

Performance 149

Performance Java Programming Database 149

DZone

JANUARY 14, 2021

Heap Dumps are vital artifacts to diagnose memory-related problems such as slow memory leaks, Garbage Collection problems, and java.lang.OutOfMemoryError.They are also vital artifacts to optimize the memory consumption. There are great tools like Eclipse MAT and Heap Hero to analyze heap dumps.

Java 226

Java Monitoring Performance 226

The Netflix TechBlog

MARCH 5, 2024

If you’re interested in how we use Java at Netflix, Paul Bakker’s talk How Netflix Really Uses Java , is a great place to start. Reference processing is also only performed in major collections with ZGC. Reduced tail latencies In both our GRPC and DGS Framework services, GC pauses are a significant source of tail latencies.

Latency 228

Latency Java Tuning Efficiency 228

DZone

NOVEMBER 3, 2020

How to start Kafka performance testing with JMeter + Pepper-Box plugin ? Is it possible to write samplers for JMeter on your own to provide Kafka performance testing? Kafka is an open-source stream ing software platform developed by the Apache Software Foundation, written in Scala and Java. Agenda for This Article. Conclusion.

Performance Testing 214

Performance Testing Testing Performance Open Source 214

DZone

MARCH 16, 2020

This article compares different options for the in-memory maps and their performances in order for an application to move away from traditional RDBMS tables for frequently accessed data.

Cache 147

Cache Java Performance Database 147

Dynatrace

AUGUST 26, 2020

We’re continuously investing in performance optimizations, high availability, and resilience for Dynatrace Managed deployments. Dynatrace Managed metric storage management is reliable and delivers high performance. What’s more, it has a positive impact on data-read performance and lower utilization of CPU.

Performance 150

Performance Hardware Java Storage 150

DZone

JULY 24, 2022

For years, researchers at UT Darmstadt have compared the performance of message-oriented middleware servers based on Java Messaging Service (JMS). When testing a new product, it's important to see how it stacks up against its competition.

Benchmarking 276

Benchmarking Open Source Java Servers 276

DZone

JULY 24, 2017

We take a look at the best articles on Performance on DZone from June, some interesting pieces from others sites, and great performance gigs and publications featured on DZone.

Java 100

Java Performance Tuning Code 100