CSS Wizardry

NOVEMBER 3, 2020

A couple of years ago, my first few days on a new web performance project were always slow going. Unless a client hires you to specifically improve the performance of one page, you’ll need a broad view of the whole site or application. All through no fault of the client or the project, but through huge flaws in my own approach.

Speed 328

Speed Ecommerce Metrics Analytics 328

The Netflix TechBlog

MAY 4, 2023

The first phase involves validating functional correctness, scalability, and performance concerns and ensuring the new systems’ resilience before the migration. These include Quality-of-Experience(QoE) measurements at the customer device level, Service-Level-Agreements (SLAs), and business-level Key-Performance-Indicators(KPIs).

Traffic 347

Traffic Latency Tuning Systems 347

Dynatrace

JULY 5, 2022

AIOps combines big data and machine learning to automate key IT operations processes, including anomaly detection and identification, event correlation, and root-cause analysis. To achieve these AIOps benefits, comprehensive AIOps tools incorporate four key stages of data processing: Collection. What is AIOps, and how does it work?

Artificial Intelligence 325

Artificial Intelligence Cloud Innovation Strategy 325

Dynatrace

JUNE 1, 2023

Service level objectives (SLOs) provide a powerful framework for measuring and maintaining software performance, reliability, and user satisfaction. SLOs are a valuable tool for organizations to ensure the health and performance of their applications. But how do you get started, and what are some service level objective examples?

Website 245

Website Latency Traffic DevOps 245

Dynatrace

APRIL 15, 2021

Fermentation process: Steve Amos, IT Experience Manager at Vitality spoke about how the health and life insurance market is now busier than ever. As a company that’s ethos is based on a points-based system for health, by doing exercise and being rewarded with vouchers such as cinema tickets, the pandemic made both impossible tasks to do.

Speed 241

Speed Media Monitoring Engineering 241

Dynatrace

MAY 15, 2020

Dynatrace is the leading Software Intelligence Platform, focused on web-scale cloud monitoring, delivering the richest, most complete data sets in the Application Performance Management market. These insights are critical to ensuring proactive application monitoring and optimal system performance.

Government 278

Government DevOps Infrastructure Network 278

Dynatrace

DECEMBER 21, 2023

IAI can enhance the processes that nurture employee experiences and a healthy and motivated workforce. From performance reviews to goal setting, AI’s analytical prowess significantly streamlines growth and development processes. Artificial intelligence is now set to power individualized employee growth and development.

Artificial Intelligence 263

Artificial Intelligence Innovation Tuning Technology 263

Dynatrace

JUNE 27, 2022

These development and testing practices ensure the performance of critical applications and resources to deliver loyalty-building user experiences. Real user monitoring (RUM) is a performance monitoring process that collects detailed data about users’ interactions with an application. What is real user monitoring?

Best Practices 244

Best Practices Monitoring Wireless Traffic 244

The Netflix TechBlog

DECEMBER 3, 2019

We heard many stories about difficulties related to data access and basic data processing. The infrastructure should allow them to exercise their freedom as data scientists but it should provide enough guardrails and scaffolding, so they don’t have to worry about software architecture too much. Metaflow removes this cognitive overhead.

Open Source 238

Open Source AWS Infrastructure Energy 238

The Netflix TechBlog

DECEMBER 23, 2020

Titus is a multi-tenant system, allowing multiple teams and users to run workloads on the system, and ensuring they can all co-exist while still providing guarantees about security and performance. There are also more common capabilities that are granted to users like CAP_NET_RAW, which allows a process the ability to open raw sockets.

Media 295

Media Metrics Processing Systems 295

O'Reilly

FEBRUARY 11, 2025

OReilly author Andrew Stellman recommends several exercises for learning to use AI effectively. Unit tests are a useful exercise because testing logic is usually simple; its easy to see if the generated code is incorrect. AI doesnt mean that you dont need to know your toolsincluding the dark corners of your programming languages.

Programming 94

Programming Code Software Software 94

Dynatrace

NOVEMBER 11, 2022

Getting the information and processes in place to ensure alerts like this example can be organizationally difficult. However, Dynatrace can often miss crucial pieces of the puzzle because humans haven’t told it about whole processes occurring on the “human” side of the environment. Who performed it?

DevOps 245

DevOps C++ Serverless Processing 245

Dynatrace

APRIL 21, 2022

Analyzing user experience to ensure uniform performance after migration. Performance efficiency. Some principles Microsoft provides across this area include: Choosing the right resources aligned with business goals that can handle the workload’s performance. Understanding resource utilization for cost management.

Azure 246

Azure Monitoring Virtualization Metrics 246

Dynatrace

JUNE 1, 2023

Service level objectives (SLOs) provide a powerful framework for measuring and maintaining software performance, reliability, and user satisfaction. Teams can build on these SLO examples to improve application performance and reliability. In this post, I’ll lay out five SLO examples that every DevOps and SRE team should consider.

Traffic 173

Traffic Website Latency DevOps 173

Dynatrace

SEPTEMBER 30, 2021

Hosted and moderated by Amazon, AWS GameDay is a hands-on, collaborative, gamified learning exercise for applying AWS services and cloud skills to real-world scenarios. It also ensures your team shares common fluency in cloud best practices, which improves collaboration and helps your company achieve a higher standard of performance.

AWS 246

AWS Best Practices Cloud Analytics 246

Dynatrace

JUNE 8, 2021

This post was co-authored by Jean-Louis Lormeau, Digital Performance Architect at Dynatrace. . You’ll learn how to create production SLOs, to continuously improve the performance of services, and I’ll guide you on how to become a champion of your sport by: Creating calculated metrics with the help of multidimensional analysis.

Metrics 242

Metrics Tuning Programming Systems 242

The Netflix TechBlog

MARCH 5, 2020

Perform Post Incident Review (PIR)? —?Review Review how the incident process was performed, tracking actions to be performed after the incident, and driving learning through structuring informal knowledge. The actual resolution of the incident, creating tasks, asking questions, and tracking answers.

Open Source 213

Open Source AWS Google Speed 213

Dynatrace

SEPTEMBER 20, 2019

Here’s what we discussed so far: In Part 1 we explored how DevOps teams can prevent a process crash from taking down services across an organization. In doing so, they automate build processes to speed up delivery, and minimize human involvement to prevent error. Both use the same database back-end and app configuration.

Systems 38

Systems Traffic DevOps Database 38

The Morning Paper

NOVEMBER 3, 2019

An analysis of performance evolution of Linux’s core operations Ren et al., For example: “Red Hat and Suse normally required 6-18 months to optimise the performance an an upstream Linux kernel before it can be released as an enterprise distribution”, and. Google’s data center kernel is carefully performance tuned for their workloads.

Performance 108

Performance Benchmarking Tuning Hardware 108

The Netflix TechBlog

SEPTEMBER 8, 2020

Functional Testing Functional testing was the most straightforward of them all: a set of tests alongside each path exercised it against the old and new endpoints. The Not-so-good In the arduous process of breaking a monolith, you might get a sharp shard or two flung at you.

Latency 241

Latency Cache Java Traffic 241

Speed Curve

MARCH 5, 2023

"How can I demonstrate the business value of performance to people in my organization?" If you've ever asked yourself any of these questions, then you could find the answers in identifying and understanding the performance poverty line for your site. What is the "performance poverty line"?

Performance 128

Performance C++ Metrics Ecommerce 128

O'Reilly

MARCH 18, 2025

And maybe take on needless risk exposures in the process. The ability to run certain processes 24/7/365 created new efficiencies and risks alike. The efficiencies were double-edged: Automating one process might overwhelm downstream processes that were still done by hand.

Best Practices 63

Best Practices Java Software Software 63

All Things Distributed

OCTOBER 2, 2017

We were pushing the limits of what was a leading commercial database at the time and were unable to sustain the availability, scalability and performance needs that our growing Amazon business demanded. Performant – The service would need to be able to maintain consistent performance in the face of diverse customer workloads.

Internet 111

Internet Internet AWS Performance 111

The Netflix TechBlog

SEPTEMBER 10, 2024

The voice service then constructs a message for the device and places it on the message queue, which is then processed and sent to Pushy to deliver to the device. Finally, the device receives the message, and the action, such as “Show me Stranger Things on Netflix”, is performed. Sample system diagram for an Alexa voice command.

Latency 234

Latency Cache Tuning Efficiency 234

The Netflix TechBlog

DECEMBER 3, 2019

We heard many stories about difficulties related to data access and basic data processing. The infrastructure should allow them to exercise their freedom as data scientists but it should provide enough guardrails and scaffolding, so they don’t have to worry about software architecture too much. Metaflow removes this cognitive overhead.

Open Source 135

Open Source AWS Infrastructure Energy 135

Dynatrace

JUNE 1, 2021

Application performance monitoring (APM) is the practice of tracking key software application performance metrics using monitoring software and telemetry data. Practitioners use APM to ensure system availability, optimize service performance and response times, and improve user experiences. Application performance management.

Monitoring 165

Monitoring Mobile Social Media Open Source 165

All Things Distributed

NOVEMBER 15, 2010

This incredible power is available for anyone to use in the usual pay-as-you-go model, removing the investment barrier that has kept many organizations from adopting GPUs for their workloads even though they knew there would be significant performance benefit. with a peak performance of 4.701 PetaFLOPS.

AWS 125

AWS Programming Latency Architecture 125

SQL Performance

APRIL 14, 2021

It has excellent performance, and there’s quite a lot that you can learn from it. Evaluating earlier solutions, one of the important factors in getting good performance was the ability to employ batch processing. Let’s examine the plans for two of the earlier solutions that utilized batch processing. logical reads 0.

Servers 112

Servers C++ Testing Code 112

O'Reilly

OCTOBER 24, 2023

If we train a new AI on its output, and repeat the process, what is the result? But it varied widely, so I decided to perform the experiment (1,000 iterations) 1,000 times, and average the final standard deviation from each experiment. Do we end up with more variation, or less? I increased the number of iterations again and again.

Programming 121

Programming Code Processing Engineering 121

The Netflix TechBlog

MAY 27, 2020

From failure injection testing to regularly exercising our region evacuation abilities, Netflix engineers invest a lot in ensuring the services that comprise Netflix are robust and reliable. CORE is a team consisting of Site Reliability Engineers, Applied Resilience Engineers, and Performance Engineers.

Engineering 105

Engineering Innovation Systems Architecture 105

O'Reilly

JANUARY 17, 2023

.”) So now you tweak the classifier’s parameters and try again, in search of improved performance. You might say that the outcome of this exercise is a performant predictive model. Second, this exercise in model-building was … rather tedious? How well did it perform? That’s sort of true.

Tuning 145

Tuning Open Source Software Software 145

Sutter's Mill

MARCH 30, 2025

Across the industry, this includes work being done by individual vendors, that they are then contributing to the standardization process so C++ programmers can use it portably. Background in a nutshell: In C++, code that (usually accidentally) exercises UB is the primary root cause of our memory safety and security vulnerability issues.

C++ 70

C++ Programming Code Google 70

Smashing Magazine

OCTOBER 16, 2021

Thinking, Remembering And Processing Information Better. Some of its benefits include improving memory, learning abilities, social-emotional processing, sensorimotor processing, and many other cognitive functions. Physical Exercise. Feeling More Stable After Working Long Hours. Other Meditation Styles.

Programming 120

Programming Energy Code Processing 120

Percona

DECEMBER 5, 2023

The scenario Service considerations In this exercise, we wanted to perform a major version upgrade from PostgreSQL v12.16 While we’ve contemplated taking a physical backup and conducting PITR , it’s worth noting that PITR can also be executed on the existing replica or delayed replica to expedite the process.

Database 103

Database Traffic C++ Servers 103

SQL Performance

JANUARY 12, 2022

This month, I'm going to start exploring the submitted solutions, roughly, going from the worse performing to the best performing ones. Why even bother with the bad performing ones? This article is dedicated to this poor performing approach. Despite the poor performance, working on the solution is an interesting exercise.

Code 116

Code Servers Performance Azure 116

Edge Perspectives

NOVEMBER 19, 2019

The unstated assumption behind this discussion is that, if we don’t reduce the workforce as routine tasks get taken over by machines, we need to re-skill them so that they can move into other parts of the institution and perform a different set of tightly specified and highly standardized tasks. We all have muscles as humans.

Programming 47

Programming Scalability Technology Technology 47

O'Reilly

OCTOBER 19, 2021

While there isn’t an authoritative definition for the term, it shares its ethos with its predecessor, the DevOps movement in software engineering: by adopting well-defined processes, modern tooling, and automated workflows, we can streamline the process of moving from development to robust production deployments.

DevOps 145

DevOps Software Engineering Open Source Infrastructure 145