Dynatrace

MARCH 9, 2022

This first step clearly shows that the code that powers getFamilyCondition is using a lot of CPU – much more than any other of the top services combined! It can be your own code, 3 rd party code or your runtime that executes for certain tasks such as Garbage Collection. So – we found the culprit!

Java 224

Java Traffic Government Code 224

Dynatrace

DECEMBER 9, 2020

Cloud-native technologies and microservice architectures have shifted technical complexity from the source code of services to the interconnections between services. Deep-code execution details. You get code-level insights into application code without code changes. Dynatrace news. The app is powered by Kubernetes.

Java 236

Java Traffic Strategy Architecture 236

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++. 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

APRIL 6, 2023

It's a great deal when developers have total control over cloud configuration along with business logic source code. Even today, many organizations prefer to go with Spring libraries because it provides many features.

Java 243

Java Cloud Servers Code 243

DZone

DECEMBER 4, 2019

Learn how to make your Java applications performance perfectly. While Performance Tuning an application both Code and Hardware running the code should be accounted for. 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.

Java 147

Java Tuning Performance Hardware 147

Dynatrace

JUNE 10, 2022

The IT world is rife with jargon — and “as code” is no exception. “As code” means simplifying complex and time-consuming tasks by automating some, or all, of their processes. Today, the composable nature of code enables skilled IT teams to create and customize automated solutions capable of improving efficiency.

Best Practices 211

Best Practices Infrastructure Code Speed 211

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

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. Apache Spark is a powerful open-source distributed computing framework that provides a variety of APIs to support big data processing.

Big Data 161

Big Data Code Tuning Open Source 161

DZone

DECEMBER 21, 2020

Naturally, such applications must be highly reliable so that no error in the code can interfere with data processing. To achieve high reliability, one needs to keep a wary eye on the code quality of projects developed for this area. This engine is written in Java and Scala.

Code 150

Code Java Big Data Open Source 150

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

DZone

MAY 17, 2019

We will also discuss code coverage, mocking dependencies, and overall testing strategies. Generally, a unit should be a small part of the application — in Java, it is often a single class. Generally, a unit should be a small part of the application — in Java, it is often a single class. What is Unit Testing?

Best Practices 240

Best Practices Java Testing Strategy 240

DZone

JUNE 5, 2019

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

Code 130

Code Java Efficiency Performance 130

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

Uber Engineering

JUNE 15, 2021

It warns software engineers of bugs in newly-implemented code and regressions in existing code, before it is merged. It also … The post Handling Flaky Unit Tests in Java appeared first on Uber Engineering Blog. Unit testing forms the bedrock of any Continuous Integration (CI) system.

Java 109

Java Testing Software Engineering Engineering 109

DZone

APRIL 18, 2019

No trials, no license purchases – just the tools you need to delve behind the scenes of your code execution. 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.

Java 154

Java Processing Monitoring Code 154

Dynatrace

OCTOBER 21, 2020

And the code-level root cause information is what makes troubleshooting easy for developers. As Dynatrace automatically captures stack traces for all threads at all time the CPU Hotspot analysis makes it easy to identify which code is consuming all that CPU in that particular thread. Step 3: Identifying root-cause in code.

Code 243

Code Cloud Engineering Java 243

Dynatrace

APRIL 8, 2020

Java Memory Management, with its built-in garbage collection, is one of the language’s finest achievements. However, garbage collection is one of the main sources of performance and scalability issues in any modern Java application. Optimize your code by finding and fixing the root cause of garbage collection problems.

Speed 165

Speed Code Java Lambda 165

Alex Podelko

SEPTEMBER 4, 2018

For years, the debate has raged on regarding which programming language is better, Java or Scala. While some argue that just because Java is older it is better, others believe Scala is better for a variety of reasons. In essence, Java is classified as an object oriented programming language. The Size and Quality of the Code.

Java 100

Java Performance Programming Virtualization 100

DZone

JANUARY 20, 2020

Read on to find out some Java technical interview questions! Almost any Java technical interview contains several questions covering Java concurrency topics. A common scenario for a beginner-intermediate level sound like this: Interviewer: Can you enumerate the Java thread life cycle states?

Java 147

Java Code Performance 147

DZone

DECEMBER 9, 2020

While we are hearing tips on Clean code, the most common tip is maintaining SRP while writing class or methods, in a broader scope Module/Package/Service/API. Most of the time it succumbs us and we are ending up with anti-KISS code but If we use it in the right proportion, then we can create a cohesive and robust architecture.

Code 216

Code Architecture Design Programming 216

Percona

OCTOBER 12, 2023

It shows which code paths are more busy on the CPU in given samples. The documentation mentions that the supported languages to profile are Go, Java (any JVM-based language), Python, Ruby, and NodeJS. In this blog post, we’ll review how to run Linux profilers such as perf and produce flame graphs on Kubernetes environments.

Code 112

Code Tuning C++ Benchmarking 112

Dynatrace

JANUARY 23, 2024

In May 2023 the critical vulnerability CVE-2020-36641 in the Java library aXMLRPC was published in the National Vulnerability Database (NVD). To what extent attacks are possible depends on the Java version and other environmental factors. This PoC has been validated for versions 1.12.1 Why is the CVE-2020-36641 vulnerability not fixed?

Java 208

Java Servers Code Software 208

DZone

AUGUST 28, 2019

These days, our code frequently has to reach out to a remote server as part of its job, usually consuming an API or some other service. Frequently, our code communicates with these remote services in a RESTful manner. Introduction.

Code 223

Code Testing Servers Java 223

DZone

DECEMBER 18, 2020

So CYC has no intention to be a readability code metric. Cognitive Complexity (CC) attempts to count the cognitive effort required to understand the code's flow. In the first part, I've introduced Cyclomatic Complexity ( CYC ) metrics in the previous part. CYC was invented a long time ago (in 1976) by Thomas J.

Code 142

Code Metrics Java Performance 142

Dynatrace

SEPTEMBER 7, 2019

Fully automatic deep code monitoring module injection. One of the unique strengths of Dynatrace OneAgent is the fully automated injection of the deep code monitoring module on Windows and Linux. Fully automated deep code monitoring module injection is available for all customers as of OneAgent version 1.175.

Code 128

Code Monitoring Java Operating System 128

DZone

APRIL 13, 2023

Technical debt takes on various forms from source code smells to security risks to the more serious issue of architectural technical debt. Great tools exist to scan for source code quality and security, but tracking, baselining, and detecting architectural drift has been hard due to the lack of observability, tooling, and best practices.

Architecture 269

Architecture Airlines Best Practices Java 269

Dynatrace

MAY 6, 2019

For this blog post I want to focus on how you can leverage Dynatrace to get a lot of insight into your plugin code. Part 1 – The code as it stood. As the plugin needs to run in less than a minute, even on very large environments I have to monitor the execution time of my code. Part 2 – Instrumenting the code.

Code 116

Code Development Metrics Network 116

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 257

Lambda AWS Java Infrastructure 257

DZone

OCTOBER 24, 2021

I remember when.Net originally came out some 20 years ago and Microsoft had created a website called "pet shop" or something, where they were able to "prove" that.Net and SQL Server was faster than the Java and Oracle equivalent. Watch me run you through the code below.

Benchmarking 258

Benchmarking Best Practices Java Website 258

The Netflix TechBlog

FEBRUARY 3, 2021

By open-sourcing the project, we hope to contribute to the Java and GraphQL communities and learn from and collaborate with everyone who will be using the framework to make it even better in the future. The transition to the new federated architecture meant that many of our backend teams needed to adopt GraphQL in our Java ecosystem.

Open Source 246

Open Source Java Architecture Metrics 246

Dynatrace

APRIL 14, 2022

Because 60% of developers use Spring for their Java applications , many applications are potentially affected. With a critical CVSS rating of 9.8 , Spring4Shell leaves affected systems vulnerable to remote code execution (RCE). Further, the report lists Tomcat as the most popular Java application server.

Java 218

Java Servers Code Open Source 218

Uber Engineering

JUNE 15, 2021

It warns software engineers of bugs in newly-implemented code and regressions in existing code, before it is merged. It also … The post Handling flaky unit tests in Java appeared first on Uber Engineering Blog. Unit testing forms the bedrock of any Continuous Integration (CI) system.

Java 52

Java Testing Software Engineering Engineering 52

Dynatrace

NOVEMBER 3, 2023

focused on technology coverage, building on the flexibility of JMX for Java and Python-based coded extensions for everything else. While Python code can address most data acquisition and ingest requirements, it comes at the cost of complexity in implementation and use-case modeling. Dynatrace Extensions 1.0 Extensions 2.0

Technology 248

Technology Technology Scalability Availability 248

DZone

MARCH 5, 2020

As a Java Developer, we need to cover a lot of scenarios to ensure the quality of our software and catch bugs as soon as possible when introducing a new code. The answer which the community provided works well, but it is a lot of boilerplate code to just assert your log events. So the LogCaptor library came into life.

Testing 360

Testing Java Code Software 360

DZone

DECEMBER 18, 2023

OpenTelemetry code is supported by many popular programming languages like C++ , C#/.NET NET , Erlang/Elixir , Go , Java , JavaScript , PHP , Python , Ruby , Rust , Swift , and Other languages.

C++ 141

C++ Java Programming Metrics 141

DZone

DECEMBER 24, 2021

Java has the Jqwik library, Scala has ScalaCheck and Python has Hypothesis. Here I want to skip the nitty-gritty and focus in detail on its killer feature, which is the ability to warn when some change to production code is no longer sufficiently covered by a test suite. Check the links at the end for some good tutorials.

Testing 344

Testing Java Technology Technology 344

Dynatrace

DECEMBER 12, 2021

It results in remote code execution (RCE) by submitting a specially composed request. Sensitive Data Access – Do the vulnerable Java processes access critical databases or file systems in the environment? For Java processes that are not directly accessible to the outside world, or internal-only processes, the risk is lower.

Java 241

Java Internet Internet Database 241