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. LinkedList should be used where more insert and delete operation is needed.

Java 138

Java Performance 138

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 174

Cache Java Database Performance 174

DZone

JUNE 9, 2021

In every project performance testing, assessment, and resolution become the key phase before going to production. In this article, there will be a sneak preview of key concepts, lifecycle steps, tips, and further guidance.

Engineering 213

Engineering Performance Java Performance Testing 213

InfoQ

JANUARY 12, 2021

Donkey is the product of the quest for a highly performant Clojure HTTP stack aimed to scale at the rapid pace of growth we have been experiencing at AppsFlyer, and save us computing costs. In this article, we’ll briefly outline the use-case for a library like Donkey and present our benchmarks.

Benchmarking 119

Benchmarking Performance Design Network 119

DZone

APRIL 18, 2019

This article provides the implementation of a web crawling system called Mowglee that uses geography as the main classifying criteria for crawling. The implementation is in core Java. Mowglee is a multi-threaded geo web crawler in Java.

Java 201

Java Systems Performance 201

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

MAY 16, 2024

smart-doc is a tool for automatically generating Java API documentation. In the software development lifecycle, the automatic generation of API documentation and the performance testing of interfaces are key steps in improving development efficiency and ensuring product quality.

Java 130

Java Performance Testing Efficiency Testing 130

DZone

JANUARY 31, 2020

In today's article, I'm going to discuss common principles that need to be followed if we want to build a scalable application that can handle thousands of connections. I will refer to Netty Framework, TCP and Socket internals and some useful tools if you want to get some insights from your application and underlying system.

Java 352

Java Scalability Network Monitoring 352

DZone

JANUARY 14, 2021

This article gives you multiple options to capture heap dumps. 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.

Java 235

Java Monitoring Performance 235

DZone

JULY 13, 2022

AWS Lambda is a compute service that lets you run code without any infrastructure management and it natively supports Java, Go, NodeJS,Net, Python, and Ruby runtimes.

Lambda 264

Lambda AWS Java Infrastructure 264

DZone

AUGUST 8, 2023

All the modern programming languages such as Golang, Node.js, Java,NET, Python, etc. The constant cycles devoted to garbage collection cause a couple of side effects: Degradation in application’s performance: Since CPU cycles are constantly channeled to garbage collection, the overall application’s performance will get impacted.

Java 227

Java Tuning Strategy Programming 227

DZone

NOVEMBER 3, 2020

Agenda for This Article. 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.

Performance Testing 223

Performance Testing Testing Performance Open Source 223

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

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

DZone

MARCH 7, 2023

PySpark is the Python API for Apache Spark , which allows Python developers to write Spark applications using Python instead of Scala or Java. In addition, pySpark applications can be tuned to optimize performance and achieve better execution time, scalability, and resource utilization.

Big Data 173

Big Data Code Tuning Open Source 173

DZone

AUGUST 13, 2022

Each of the following performance APIs is in different stages of the W3C’s specification maturity process. Visit this article for a concise graphic of all the performance APIs’ maturity levels. The use of APIs to Boost Performance. You can see each spec’s stage next to their title.

Performance 130

Performance Systems Processing Java 130

Brendan Gregg

MARCH 16, 2024

I'm sure this delivered large performance improvements and I wouldn't try arguing against it. 2014: Java in Flames Broken Java Stacks (2014) When I joined Netflix in 2014, I found Java's lack of frame pointer support broke all application stacks (pictured in my 2014 Surge talk on the right).

Java 145

Java Cache Google Hardware 145

DZone

JUNE 5, 2019

This article assumes some basic knowledge about the differences between blocking and non-blocking code. Blocking code is code which blocks executing threads until their operations finish.

Code 140

Code Java Efficiency Performance 140

Dynatrace

OCTOBER 27, 2023

With the Dynatrace mobile app, you get unified access to both observability and security-related insights, such as: Operational alerts on the availability and performance issues of your monitored apps and services. This is a serious security issue that affects many Java applications. Security findings of third-party vulnerabilities.

Mobile 240

Mobile Java Internet Internet 240

Scalegrid

APRIL 5, 2024

In this article, we will explain Redis sharding, explore its pros and cons, and how to apply it. It offers automatic data sharding, master-replica configurations for high availability, and a scalable and flexible architecture to maintain consistent performance. Redis Cluster is Redis’s native sharding solution.

Scalability 130

Scalability Efficiency Java Database 130

Dynatrace

JANUARY 21, 2022

Key takeaways from this article on vulnerability management for cloud application security: Today’s cloud apps with their fast innovation cycles and frequent use of open-source libraries must address a gap for runtime vulnerability management in production environments. Dynatrace news.

Strategy 210

Strategy Cloud DevOps Open Source 210

Scalegrid

OCTOBER 7, 2019

As this open source database continues to pull new users from expensive commercial database management systems like Oracle, DB2 and SQL Server, organizations are adopting new approaches and evolving their own to maintain the exceptional performance of their SQL deployments. Java #Python #C Click To Tweet. use with PostgreSQL.

Strategy 182

Strategy Cloud Java Open Source 182

Dynatrace

NOVEMBER 11, 2020

Deployment performs the whole rollout, instrumentation, configuration, connection, and automatic detection of monitored entities in your environment. In this article we’ll share highlights about two increments that are likely to fall into the “barely noticeable” category.

Best Practices 185

Best Practices Storage Java Benchmarking 185

Dynatrace

MARCH 1, 2023

As a result, organizations are adopting cloud observability technologies to gain visibility into their IT environments and the associated application performance and software vulnerability issues. Analysts predict that Log4Shell will linger for years,” Threatpost wrote in a May 2022 article.

Strategy 201

Strategy Cloud Software Software 201

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you _time_ time?

Speed 126

Speed Java AWS Virtualization 126

Rigor

JANUARY 13, 2020

Reading time 1 min Why share the library of the web performance books while there’s a substantial collection of fantastic websites and articles on the net? High Performance Browser Networking. This book is about performance problems and the various technologies created to fight them. High Performance Websites.

Performance 75

Performance Social Media Website Website Performance 75

Dynatrace

APRIL 11, 2023

Today’s organizations face increasing pressure to keep their cloud-based applications performing and secure. As data from different corners of the enterprise proliferates, teams need a better way to bring data together to identify performance and security issues, minimize security risk, and drive greater business value.

Cloud 176

Cloud DevOps Open Source Retail 176

DZone

JULY 15, 2019

This article is the first in a series of three articles which share my experience with troubleshooting the performance of Vert.x The first article provides an overview of the Vert.x From what I saw in practice, delayed or blocked event loop threads are the number one contributor to performance problems with Vert.x

Performance 100

Performance Programming Java 100

Dynatrace

MAY 5, 2021

See details further down in this article. Tim Gerlach, Product Owner Application Performance Monitoring at SAP, has this to say about this new release: “The new Dynatrace Operator further accelerates SAP’s adoption of Dynatrace on Kubernetes by expanding the level of observability our workloads require.

Cloud 214

Cloud Traffic Monitoring Open Source 214

DZone

AUGUST 27, 2019

Throughout this article, I will be using Java within code snippets, whilst also using JUnit and Mockito. This article aims to provide examples of test code which can be:

Testing 100

Testing Java Code Performance Testing 100

Dynatrace

JULY 10, 2019

This article we help distinguish between process metrics, external metrics and PurePaths (traces). With this approach, you can add any relevant metric(s) from your process to Dynatrace, and then chart it, alert on it, or correlate it with your process’ performance. A special case of a OneAgent plugin is the JMX plugin.

Java 132

Java Best Practices Metrics Azure 132

The Netflix TechBlog

JANUARY 25, 2023

Unlike Java, we support multiple inheritance as well. One of the key initiatives at Netflix, Media Search Platform, now uses Marken to store annotations and perform various searches explained below. We will cover more details on Semantic Search support in a future blog article. This data is used by various teams for eg.

Scalability 283

Scalability Latency Media Architecture 283

DZone

OCTOBER 10, 2019

This article only serves as historical proof and a beginners' guide on tackling file descriptor leaks in Java. Is your JVM leaking? The two issues described here were discovered and fixed more than a year ago.

Java 100

Java Performance 100

DZone

MAY 10, 2019

JUnit is a Java-based, open-source framework to help you execute unit testing. This article is my attempt to help you use JUnit annotations in Selenium as a professional tester would. JUnit is used primarily to test each and every unit or component of your application, like classes and methods.

Open Source 127

Open Source Java Website Testing 127

Scalegrid

JULY 13, 2020

In this article, we compare Oracle vs. PostgreSQL, outlining the differences in these SQL database costs, features, and ease of use for both developers and database administrators (DBA’s) alike. There are a wide range of tools and extensions for every conceivable scenario, like performance profiling, auditing, etc. Oracle Ease of Use.

Open Source 244

Open Source Tuning C++ Database 244

The Netflix TechBlog

SEPTEMBER 8, 2020

service with a composable JavaScript API that made downstream microservice calls, replacing the old Java API. Java…Script? As Android developers, we’ve come to rely on the safety of a strongly typed language like Kotlin, maybe with a side of Java. ecosystem was chosen for this new service deserves an article in and of itself.

Latency 233

Latency Cache Java Traffic 233

DZone

MARCH 28, 2021

In this series of chaos engineering articles, we have been learning to simulate various performance problems. In this post, let’s discuss how to simulate deadlock. What Is a Deadlock? Deadlocks tend to happen in multi-threaded applications.

Engineering 200

Engineering Processing Performance Java 200