DZone

OCTOBER 26, 2023

It also allows for some advanced features, such as problem prediction. My first encounter with this monitoring system was in 2014 when I joined a project where Zabbix was already in use for monitoring network devices (routers, switches). Back then, it was version 2.2, and it had a somewhat challenging web interface, even for that time.

Monitoring 268

Monitoring Systems DevOps Virtualization 268

DZone

OCTOBER 4, 2023

Your team celebrates a success story where a trace identified a pesky latency issue in your application's authentication service. A fix was swiftly implemented, and we all celebrated a quick win in the next team meeting. But the celebrations are short-lived. Just days later, user complaints surged about a related payment gateway timeout.

Latency 247

Latency Cache Software Software 247

Dynatrace

NOVEMBER 30, 2023

What I have seen is a maturing of the online retail channels when it comes to delivering customer experiences. What was once an onslaught of consumer traffic between Black Friday and Cyber Monday has turned into a weeklong event, with most retailers offering deals well ahead of Black Friday. This video (below) illustrates my experience.

Retail 226

Retail Social Media Performance Benchmarking 226

Dynatrace

MARCH 7, 2024

Strategically selected for its unparalleled visibility within the enterprise landscape, the São Paulo Grand Prix represented a crucial chance to engage with existing customers and enterprise prospects who were actively participating in the event.

Strategy 196

Strategy AWS Programming Cloud 196

Dynatrace

MARCH 26, 2024

As we grow, it’s vital to hold onto our essence and protect our core while adapting to change. Through our MPV, we created a shared understanding of Dynatrace’s differentiation in the market and the value we deliver to our customers and the world.

Innovation 250

Innovation Tuning Strategy Software 250

DZone

JULY 25, 2023

When we arrived at the office that first day, he helped me to a nearby desk supporting a Compaq Portable computer. On top of the system was a book focused on using dBase II. My job was to build an application to track orders for his company. My uncle knew I had an interest in computers, and I couldn’t wait to get started.

Scalability 245

Scalability Cloud Systems Development 245

DZone

JULY 8, 2023

However, to make Istio manage a network of multicloud applications, Envoy was configured as a sidecar proxy for handling north-south traffic (traffic in and out of data centers). It was observed that application developers found it difficult to configure Envoy proxy as an API gateway and ingress controller.

Traffic 246

Traffic Network Development 246

DZone

NOVEMBER 27, 2023

Docker Extensions was announced as a beta at DockerCon 2022. Docker Extensions became generally available in January 2023. Developing performance tools' related extensions was on my to-do list for a long time. Due to my master's degree, I couldn't spend time learning Docker Extensions SDK.

Mobile 244

Mobile Availability Testing Development 244

Dynatrace

OCTOBER 27, 2023

In the past, all security “wisdom” was owned by security teams alone. Business and app owners could only dream of having continuous visibility into their application’s health from both the availability and security standpoint. One of your peers mentions a recent vulnerability that was hard to map and assess in production.

Mobile 257

Mobile Java Internet Internet 257

The Netflix TechBlog

MARCH 5, 2024

Each of these errors is a canceled request resulting in a retry so this reduction further reduces overall service traffic by this rate: Errors rates per second. These periodic refreshes of on-heap data are great at taking G1 by surprise, resulting in pause time outliers well beyond the default pause time goal.

Latency 228

Latency Java Tuning Efficiency 228

DZone

JANUARY 29, 2024

Unfortunately, the choices being made have a great impact on both your business, your budgets, and the ultimate success of your cloud-native initiatives that hasty decisions upfront lead to big headaches very quickly down the road. In the previous introduction , we looked at the problem facing everyone with cloud-native observability.

Cloud 275

Cloud DevOps Engineering 275

DZone

JUNE 20, 2023

Platform engineers also need to test their Kubernetes infrastructure and manifests and often resort to using dedicated cloud environments to do so, which can be quite expensive. What was needed was a way to get as close as possible to a cloud-based managed cluster on a laptop.

Testing 264

Testing Azure AWS Cloud 264

The Netflix TechBlog

DECEMBER 14, 2020

The mystery begins Towards the end of 2017, I was on a conference call to discuss an issue with the Netflix application on a new set top box. The box was a new Android TV device with 4k playback, based on Android Open Source Project (AOSP) version 5.0, aka “Lollipop”. The stuttering was caused by buffer starvation in the device audio pipeline.

Engineering 352

Engineering Code Hardware Open Source 352

The Netflix TechBlog

JUNE 1, 2023

To do this, we devised a novel way to simulate the projected traffic weeks ahead of launch by building upon the traffic migration framework described here. We used this simulation to help us surface problems of scale and validate our Ads algorithms. Basic with ads was launched worldwide on November 3rd. Keep an eye out for updates on this.

Traffic 342

Traffic Best Practices Systems Testing 342

Percona

APRIL 30, 2024

For me, the Redis story starts with… Memcached. Back in the early 2000s, “Web 2.0” ” was being built following the aftermath of the dot-com crash. The open source LAMP (Linux-Apache-MySQL-PHP/Perl/Python) stack was all the rage.

Open Source 100

Open Source Cache Efficiency Technology 100

Dynatrace

MARCH 28, 2024

Lest readers believe that business digital transformation has fallen out of fashion, recent data suggests that digital transformation initiatives are still high on the agenda for today’s leaders. Business digital transformation and modernization are enduring objectives, despite the rise of generative AI as a priority over the past year.

C++ 190

C++ Artificial Intelligence DevOps Innovation 190

Dynatrace

FEBRUARY 16, 2024

Clair began her demonstration of the app with the following scenario: She receives a Slack alert that an anomaly was detected and there has been unauthorized access to a Kubernetes cluster monitored via OneAgent. To begin, St. Clair filtered the alert for a time window of a couple of hours to focus her analysis. Clair’s hypothesis began to change.

Analytics 187

Analytics Engineering Cloud Traffic 187

Dynatrace

NOVEMBER 6, 2023

Data at your fingertips Say you would like to focus on a specific Kubernetes workload called “adservice.” Dynatrace allows you to easily pull up that entity and understand key context such as metadata, where it’s running, when there was a deployment, and more. How do you know if this problem has business impact?

Development 267

Development DevOps Programming Cloud 267

Brendan Gregg

MARCH 9, 2024

(If you are new to eBPF, it is the name of a kernel execution engine that runs a variety of new programs in a performant and safe sandbox in the kernel, like how JavaScript can run programs safely in a browser sandbox; it is also no longer an acronym.) It was then I realized that we had missed lunch! " If they get merged??

Programming 143

Programming Strategy Engineering Technology 143

The Netflix TechBlog

NOVEMBER 14, 2023

Add alerts to flag when late arriving data appears, block the pipelines, and perform a manual intervention where we triggered backfill pipelines to handle the missed events. This approach was a simple solution with minimal extra processing for the most part and, hence, was our preferred solution. We will talk about this shortly.

Data Engineering 264

Data Engineering Engineering Processing Games 264

Dynatrace

OCTOBER 31, 2023

For many teams, this isn’t something they have to imagine—it’s something they experience regularly. For one major European financial services company, this was their reality prior to adopting Dynatrace Application Security. The impact on their staff and bottom line was the wake-up call they needed to adapt their security approach.

AWS 196

AWS Games Cloud Innovation 196

The Netflix TechBlog

APRIL 27, 2023

As we investigated the alerting delay, we found that the number of configured alerts had recently increased dramatically, by 5 times! The alerting system queried Atlas , our time series database on a cron for each configured alert query, and was seeing an elevated throttle rate and excessive retries with backoffs.

Storage 288

Storage Cache Metrics Database 288

DZone

FEBRUARY 16, 2023

In earlier days, it was easy to deduct and debug a problem in monolithic applications because there was only one service running in the back end and front end. Now, we are moving toward microservices architecture, where applications are divided into multiple independently deployable services. These services have their own goal and logic to serve.

Architecture 256

Architecture Metrics Code Systems 256

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). aXMLRPC is a lightweight client XML-RPC client enabling users to make remote procedure calls over the HTTP protocol in an XML format. and higher are still exploitable as we will demonstrate.

Java 211

Java Servers Code Software 211

The Netflix TechBlog

NOVEMBER 29, 2023

Separately, our invention of Dynamically Optimized ( DO ) encoding helps achieve optimized bitrate-quality tradeoffs depending on the complexity of the content. HDR was launched at Netflix in 2016 and the number of titles available in HDR has been growing ever since. We started backfilling HDR-DO encodes for existing titles from Q2 2022.

Open Source 252

Open Source Software Engineering Internet Internet 252

The Netflix TechBlog

DECEMBER 14, 2023

Engineers from across the company came together to share best practices on everything from Data Processing Patterns to Building Reliable Data Pipelines. The result was a series of talks which we are now sharing with the rest of the Data Engineering community!

Data Engineering 259

Data Engineering Engineering Software Engineering Best Practices 259

DZone

DECEMBER 18, 2021

In this blog, we are going to learn about memory leaks occurring in SOLR QueryResultCache, how the RCA was carried out, and the solution given to resolve the issue. In the application under test, SOLR was used as a component to store, search, and retrieve the contents. was used in this application.

Performance Testing 246

Performance Testing Testing Performance Tuning 246

O'Reilly

APRIL 23, 2024

At the dawn of economic theory, agriculture was still the chief source of value creation, and much of that value created by the labor of serfs and tenant farmers was appropriated by those who owned the land. When the local baron sent his troops to collect what he considered his share of the harvest, it was impossible to say no.

Social Media 107

Social Media Google Internet Internet 107

DZone

JULY 14, 2021

Before we dive into Selenium 4, let’s have a brief introduction to its previous versions. Selenium 1 was declared as the free open source automation testing framework in the year 2004 consisting of selenium IDE, RC, and web driver. Whereas, the Selenium 2 released in 2011 consisted of the IDE, Web driver, and Grid.

Open Source 294

Open Source Testing Tools Testing Servers 294

DZone

MARCH 29, 2023

Day two of Dynatrace Perform began with a great discussion between Kelsey Hightower , Distinguished Developer Advocate at Google Cloud Platform and Andi Grabner , DevOps Evangelist at Dynatrace. The theme of their discussion was redefining the boundaries of people, processes and platforms.

Processing 319

Processing DevOps Google Cloud 319

DZone

APRIL 15, 2022

Recently, I faced an issue related to a very high load on the database layer. The database was having too many connections in parallel. I had to review my application’s database connection pool (DBCP) properties very closely. However, I wasn’t able to immediately map each property to the scenario where it will be used.

Database 245

Database Code Big Data Performance 245

DZone

NOVEMBER 7, 2023

The Evolution of Data Integration In the past, batch-oriented data integration reigned supreme. Businesses were content with accumulating data over defined intervals and then processing it in scheduled batches.

Systems 281

Systems Analytics Architecture Engineering 281

DZone

JULY 11, 2023

The architectures presented were based on open-source cloud-native technologies, such as containers, microservices, and a Kubernetes-based container platform. The major omission in this series was to avoid discussing any aspect of cloud-native observability.

Architecture 293

Architecture Open Source DevOps Cloud 293

Dynatrace

APRIL 22, 2024

To enable participating organizations to meet the EU requirements for transferring personal data to the U.S., the Data Privacy Framework (DPF) is designed to serve as an adequate data transfer mechanism under the GDPR. Data Privacy Framework Program (The EU-U.S. DPF, UK Extension to the EU-U.S. DPF, and Swiss-U.S.

Government 214

Government Programming Analytics Efficiency 214

Dynatrace

MAY 21, 2023

Grail makes it easy to query historical data without data rehydration or applying ad hoc schemas on raw log lines. This accessibility gives users quick and precise results about when malicious activity occurred, when reconnaissance was first seen in the systems, what was attempted, and if the attackers were successful.

Analytics 234

Analytics Metrics Cloud Systems 234

DZone

NOVEMBER 7, 2023

Historical Perspective of Batch Processing Batch processing has a storied history that predates the very concept of real-time processing. In the dawn of computational technology, batch processing was more a necessity than a choice. Systems were not equipped to handle multiple tasks simultaneously.

Processing 177

Processing Architecture Technology Technology 177

DZone

JUNE 13, 2023

Everything Bad is Good for You is a pop culture book that points out that some things we assume are bad (like TV) have tremendous benefits to our well-being. I love the premise of disrupting the conventional narrative and was reminded of that constantly when debating some of the more controversial features and problems in Java.

Java 290

Java 290