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

DZone

OCTOBER 6, 2020

Thinking deeply about all of those things and writing them down, in whatever form the final document took, was the real value of the exercise.

Testing 203

Testing Strategy Performance Testing Software 203

O'Reilly

FEBRUARY 11, 2025

If youre afraid that AI will take your job, learning to use it well is a much better strategy than rejecting it. 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.

Programming 97

Programming Code Software Software 97

The Netflix TechBlog

OCTOBER 26, 2021

We then used simple thought exercises based on flipping coins to build intuition around false positives and related concepts such as statistical significance, p-values, and confidence intervals. In this post, we’ll do the same for false negatives and the related concept of statistical power.

Testing 211

Testing Latency Metrics Design 211

The Netflix TechBlog

MARCH 6, 2019

during a typical week at Netflix, MezzFS performs ~100 million mounts for dozens of different use cases and streams about ~25 petabytes of data. We use this to debug errors and performance issues in specific mounts. More on this below… Adaptive buffering ?—?More How much faster is this?

Media 218

Media Storage Processing Cache 218

O'Reilly

MARCH 18, 2025

Managing the new risks required everyone to exercise new discipline. But before that, AIAWs must perform prep work around strategy: What is AI, really? You can influence that outcome, but you can’t control itno amount of shouting, cajoling, or all-nighter sessions can force a model to perform well.

Best Practices 69

Best Practices Java Software Software 69

Scalegrid

APRIL 16, 2020

In this post, we compare ScaleGrid’s Bring Your Own Cloud (BYOC) plan vs. the standard Dedicated Hosting model to help you determine the best strategy for your MySQL, PostgreSQL, Redis™ and MongoDB® database deployment. This allows you to leverage external plugins and tools to better support your deployment and improve performance.

Cloud 242

Cloud Azure AWS Database 242

Dynatrace

APRIL 5, 2024

For a more proactive approach and to gain further visibility, other SLOs focusing on performance can be implemented. However, it’s essential to exercise caution: Limit the quantity of SLOs while ensuring they are well-defined and aligned with business and functional objectives. In other words, where the application code resides.

Efficiency 264

Efficiency Traffic Tuning Metrics 264

The Netflix TechBlog

SEPTEMBER 8, 2020

Over the course of this post, we will talk about our approach to this migration, the strategies that we employed, and the tools we built to support this. 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.

Latency 241

Latency Cache Java Traffic 241

Dynatrace

SEPTEMBER 20, 2019

One of the several deployment strategies is the blue/green deployment approach: In this method, two identical production environments work in parallel. The new version of the application is deployed in the green environment and tested for functionality and performance. Both use the same database back-end and app configuration.

Systems 38

Systems Traffic DevOps Database 38

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

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

O'Reilly

MARCH 11, 2025

When humans have the ability to perform magical feats of recall or calculation but not to create something profoundly new out of what they have learned, we dont call them geniuses. That is, the future belongs to t hose who are exercising the intelligence and insight that AI itself does not have. We call them idiot savants.

Artificial Intelligence 52

Artificial Intelligence Hardware Website Media 52

Sutter's Mill

MARCH 30, 2025

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. They reported a performance impact as low as 0.3% and finding over 1000 bugs, including security-critical ones.

C++ 70

C++ Programming Code Google 70

Sutter's Mill

JULY 29, 2024

I haven’t had to optimize cppfront much yet because it’s been fast in all my uses, but Max Sagebaum exercised metafunctions heavily for @regex (covered below, in 0.7.2) and made me find another ~100x performance improvement (thanks Max!). Faster compile time when doing heavy reflection and code generation. Thanks, Max!

C++ 116

C++ Lambda Code Open Source 116

Percona

DECEMBER 5, 2023

The scenario Service considerations In this exercise, we wanted to perform a major version upgrade from PostgreSQL v12.16 The 1-2-3 Steps Per the title of this post, the next is the list of steps to perform the PITR, then pg_upgrade to v15.4, Start the new instance to perform the PITR with LSN Start the new PostgreSQL instance.

Database 103

Database Traffic C++ Servers 103

Smashing Magazine

OCTOBER 16, 2021

However, below are some ideas or other mental health improvement strategies that are effective which you can explore. Physical Exercise. So, whenever you feel anxious or moody, just get into some exercises before getting back to work and you will most likely love the results. It reduces anxiety, depression, and negative moods.

Programming 120

Programming Energy Code Processing 120

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

Percona

AUGUST 8, 2023

Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization. Unfortunately, this topic is more of an art than a science, given that there is really no foolproof algorithm or approach that can tell you exactly where you might hit a bottleneck with server performance.

Traffic 98

Traffic Cache Monitoring Database 98

Smashing Magazine

JULY 27, 2021

and exercise best CSS practices. CSS-in-JS can also have a performance impact by causing additional renders and dependencies on the global state. Recommended reading : “ The Unseen Performance Costs Of Modern CSS-in-JS Libraries In React Apps )” by Aggelos Arvanitakis. Another advantage to CSS modules is performance.

Website 144

Website Design Best Practices Code 144

Percona

JULY 6, 2023

Performance is one of the essential aspects of a database management system. Very little can be more annoying and frustrating for users than poor performance, meaning long-running queries and high response times at the front end. This scan method can help get the best possible performance for the queries that fit its conditions.

Best Practices 111

Best Practices Tuning Testing Database 111

CSS - Tricks

APRIL 1, 2021

Site performance is potentially the most important metric. The better the performance, the better chance that users stay on a page, read content, make purchases, or just about whatever they need to do. With all of this in mind, I thought improving the speed of my own version of a slow site would be a fun exercise. Lighthouse.

Cache 94

Cache Social Media Media Website 94

Smashing Magazine

AUGUST 19, 2021

Once you create your own code of ethics, you might notice an improvement not only in your team’s work and performance but also in the team’s culture as well. If there is strong disagreement between one or more principles that some feel should be combined while others feel should be separate, then run a dot-voting prioritization exercise.

Code 143

Code Design Education Government 143

Tech News Gather

JUNE 15, 2023

In addition, it can also inculcate resources such as articles, podcasts, and breathing exercises to help users develop coping strategies and resilience. Users can embark on a musical journey with interactive tutorials, practice exercises, and gamified learning experiences tailored to different skill levels.

Education 52

Education Virtualization Innovation Transportation 52

Alex Russell

FEBRUARY 21, 2023

No, this was a change in strategy. as an (eventual) exercise of monopolistic power that held the web back for more than a decade? In early 2020, after months of background conversations and research, Mason Freed posted a new set of design alternatives , which included extensive performance research. But needs must.

Energy 90

Energy Games Engineering Design 90

Sutter's Mill

JANUARY 11, 2021

And asserted conditions only evaluated if they’re enabled, so any side effects won’t happen when they’re not enabled; they might sometimes perform local side effects, such as to do logging or allocate memory, but the program should never rely on them happening or not happening. Assertions are only about finding bugs, not doing program work.

C++ 81

C++ Programming Code Testing 81

Sutter's Mill

FEBRUARY 17, 2020

Otherwise, you’ll either get the implicitly generated move functions, or else requests to move will automatically just do a copy instead, since copy is always a valid implementation of move (it just doesn’t exercise the non- const option). Yes, in my view it does make it a buggy class that shouldn’t pass code review.

C++ 98

C++ Testing Design Programming 98

Tasktop

FEBRUARY 24, 2021

Get together once a year for a value stream mapping exercise, and you’ll emerge with a list of potential improvement hypotheses. . A telecom giant was able to change its outsourcing strategy and renegotiate better terms with its managed service partners. The False Developer Quality Equivalency .

Healthcare 52

Healthcare Retail Metrics Innovation 52

The Morning Paper

JANUARY 23, 2020

With only an hour or so of degraded performance in the end, it’s not the worst incident you can imagine, but it was clearly taken as very serious given the time of year. The process tracing exercise included: Examning IRC transcripts from multiple channels.

Internet 53

Internet Internet Cache Engineering 53

Smashing Magazine

AUGUST 5, 2021

And because something is happening, they usually exercise a good amount of patience first. If applicable, can we test if a design without disabled buttons performs better? When large parts of the interface are disabled , most customers will assume that the system is busy , and some process is happening in the background on the page.

Design 145

Design Transportation Code Systems 145

Adrian Cockcroft

NOVEMBER 11, 2019

There are many possible failure modes, and each exercises a different aspect of resilience. Consider how controls could degrade over time, including change management, performance audits and how incident reviews could surface anomalies and problems with the system design.

Latency 53

Latency Systems Engineering Hardware 53

Adrian Cockcroft

NOVEMBER 11, 2019

There are many possible failure modes, and each exercises a different aspect of resilience. Consider how controls could degrade over time, including change management, performance audits and how incident reviews could surface anomalies and problems with the system design.

Latency 52

Latency Systems Engineering Hardware 52

HammerDB

JANUARY 5, 2019

This post addresses some of the opinions around database benchmarking and gives the top 5 reasons why industry standard benchmarking is important and should be an essential foundation of your database engineering strategy. Portability. It is arguable that in the modern era whether these clauses continue to provide the benefit intended.

Benchmarking 40

Benchmarking Database Social Media Scalability 40

The Agile Manager

AUGUST 31, 2020

A basic premise is that there are alternatives to traditional "lift and shift" strategies by retiring legacy assets in a piecemeal fashion. The exercise of assessing, modeling and dispositioning the landscape does offer valuable new ways of looking at legacy assets. Several things stand out about these initiatives.

Code 52

Code Architecture Programming Strategy 52

The Morning Paper

APRIL 16, 2019

Enabling students to build running performant versions of all of those systems in the time available is one challenge. We would like students to consider the performance characteristics of their systems, and our tests check that their designs attain reasonable run-time performance. Consider the lab exercise to implement Paxos.

Systems 43

Systems Efficiency Testing Design 43

Strategic Tech

DECEMBER 12, 2019

Defining Aggregate Boundaries Deciding that specific business operations should succeed or fail together sounds like a simple requirements gathering exercise. The answer is performance, but more importantly concurrency conflicts. Performance and concurrency aren’t a concern. Let’s refer to this as an Invariant Business Rule.

Healthcare 10

Healthcare Database Software Architecture Software 10

The Agile Manager

FEBRUARY 28, 2017

Management textbooks dating at least as far back as the 1980s included stories of employees performing tasks the reasons for which they didn't really understand. There aren't a lot of high cards we can draw, but playing them in the right combination offers us a strategy. This month, we look at our options for re-acquiring it.

Strategy 40

Strategy Java Code Systems 40