Speed Curve

DECEMBER 13, 2023

So I thought it would be fun to spend some time poking around behind the scenes and give the site a holiday performance audit. Background For this performance audit, I looked at this synthetic test for the LEGO.com home page. (We The performance team is clearly doing a good job of fighting page bloat. Are images optimized?

Performance 66

Performance Retail Benchmarking Ecommerce 66

Dynatrace

JUNE 1, 2023

Service level objectives (SLOs) provide a powerful framework for measuring and maintaining software performance, reliability, and user satisfaction. Certain service-level objective examples can help organizations get started on measuring and delivering metrics that matter. But the pressure on CIOs to innovate faster comes at a cost.

Traffic 173

Traffic Latency Website Virtualization 173

Dynatrace

APRIL 21, 2022

Most monitoring tools for migrations, development, and operations focus on collecting and aggregating the three pillars of observability— metrics, traces, and logs. Analyzing user experience to ensure uniform performance after migration. Performance efficiency. Understanding resource utilization for cost management. Reliability.

Azure 184

Azure Monitoring Virtualization Metrics 184

The Netflix TechBlog

SEPTEMBER 8, 2020

On the Android team, while most of our time is spent working on the app, we are also responsible for maintaining this backend that our app communicates with, and its orchestration code. Image taken from a previously published blog post As you can see, our code was just a part (#2 in the diagram) of this monolithic service.

Latency 233

Latency Cache Java Traffic 233

HammerDB

APRIL 19, 2023

Predicting application performance is a difficult art, but an important one when choosing the target deployment environment. In this blog, we aim to call out some key considerations when trying to assess MySQL performance for your application. We will not concern ourselves with the raw throughput of workload.

Performance 54

Performance Benchmarking Cache Storage 54

Speed Curve

DECEMBER 10, 2017

Network metrics have been around for decades, but rendering metrics are newer. These are a few of the rendering metrics that currently exist. A brief history of performance metrics. Metrics quantify behavior. Metrics quantify behavior. Gaps in today's performance metrics. Speed Index.

Metrics 68

Metrics Website Speed Monitoring 68

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 88

Traffic Cache Monitoring Database 88

Rigor

NOVEMBER 22, 2019

Reading time 9 min When it comes to managing web performance, it’s vital to be proactive rather than reactive. To accomplish this goal, an organization needs to build internal processes and procedures that can operationalize a performance-first culture. The first step is to establish and implement web performance budgets.

Performance 45

Performance Metrics Website Speed 45

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. Performance monitoring.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

Particular Software

MARCH 28, 2022

You can create a class that is a lousy saga but is still perfectly valid C# code. With Roslyn analyzers and code fixes , we can now do a lot better and help guide you toward the pit of success. This will save you time, as you won’t have to run your code to find out that you can’t use DateTime as a correlation property type.

Development 52

Development C++ Virtualization Metrics 52

The Agile Manager

AUGUST 31, 2021

Each person is responsible for the outcome because team performance is measured on collective output (specifically, stories in production) as opposed to the sum of individual output (tasks completed by individuals). One person who does a substandard job affects the performance of the entire team.

Metrics 52

Metrics Design Engineering C++ 52

Tasktop

FEBRUARY 24, 2021

That’s a bit alarming, because the Flow Metrics of several Fortune 100 companies now practicing value stream management (VSM ) in their software portfolios have revealed an acute resource scarcity in QA. Get together once a year for a value stream mapping exercise, and you’ll emerge with a list of potential improvement hypotheses. .

Healthcare 52

Healthcare Retail Metrics Innovation 52

SQL Performance

NOVEMBER 30, 2021

For each database that has pages in the buffer pool, there is a hash list of pages, in page ID order, that’s quickly searchable to determine whether a page is already in memory or whether a physical read has to be performed. And the more pages in memory for a database, the longer the scan would take. ) ; GO. times longer.

Efficiency 54

Efficiency Servers Database Cache 54

Tasktop

FEBRUARY 24, 2021

That’s a bit alarming, because the Flow Metrics of several Fortune 100 companies now practicing value stream management (VSM ) in their software portfolios have revealed an acute resource scarcity in QA. Get together once a year for a value stream mapping exercise, and you’ll emerge with a list of potential improvement hypotheses. .

Healthcare 40

Healthcare Retail Metrics Innovation 40

Testsigma

JANUARY 6, 2022

You can perform automated end-to-end testing of web, mobile, and APIs at ease. There is no need to write cumbersome code and framework any further. Without metrics, parameters, and tracking we can not have a successful scrum. Take breaks and do exercise to keep the spirit high. Signup now.

Testing 52

Testing Internet Internet Testing Tools 52

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. Having a slow site might leave you on page 452 of search results, regardless of any other metric. Lighthouse.

Cache 92

Cache Social Media Media Network 92

ScaleOut Software

AUGUST 20, 2020

This allows application code to introspect on the dynamic behavior of each data source, maintain synthetic metrics which aid the analysis, and create alerts when conditions require. This exercises the model’s code and surfaces issues and exceptions, which can be readily examined and resolved in a controlled environment.

Cloud 52

Cloud Development Analytics Azure 52

ScaleOut Software

AUGUST 20, 2020

This allows application code to introspect on the dynamic behavior of each data source, maintain synthetic metrics which aid the analysis, and create alerts when conditions require. This exercises the model’s code and surfaces issues and exceptions, which can be readily examined and resolved in a controlled environment.

Cloud 52

Cloud Development Analytics Azure 52

Adrian Cockcroft

NOVEMBER 11, 2019

There are many possible failure modes, and each exercises a different aspect of resilience. Collecting some critical metrics at one second intervals, with a total observability latency of ten seconds or less matches the human attention span much better. A resilient system continues to operate successfully in the presence of failures.

Latency 52

Latency Engineering Systems Hardware 52

Adrian Cockcroft

NOVEMBER 11, 2019

There are many possible failure modes, and each exercises a different aspect of resilience. Collecting some critical metrics at one second intervals, with a total observability latency of ten seconds or less matches the human attention span much better. A resilient system continues to operate successfully in the presence of failures.

Latency 53

Latency Engineering Systems Hardware 53

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. Various pieces of software used elevated capabilities for FUSE, low-level packet monitoring, and performance tracing amongst other use cases.

Media 286

Media Metrics Systems Processing 286

The Agile Manager

FEBRUARY 23, 2009

Quality Measures We have no shortage of quality metrics. For example, in the Java world we can measure all kinds of attributes of code: overcomplicated expressions, wasteful use of resources, ghost code, duplicate code, complexity, and so forth. There are many authorities on code quality, so we’ll not dive into them here.

Government 40

Government Metrics Java Code 40

The Agile Manager

DECEMBER 17, 2008

Traditional IT projects are mass economy-of-scale exercises: once development begins, armies of developers are unleashed. Clearly, a small team delivering documentation is nowhere near as significant an event as a large team delivering executable code. An Agile team is not an exercise in scale.

Latency 40

Latency Code Metrics Testing 40

O'Reilly

JANUARY 17, 2023

Figuring out what kinds of problems are amenable to automation through code. So it behooves a software developer to spot what portions of human activity can be properly automated away through code, and then build that. Because if companies use code to automate business rules, they use ML/AI to automate decisions.

Tuning 130

Tuning Open Source AWS Software 130

The Agile Manager

APRIL 14, 2009

In the prior installments of this series, we presented a pattern for how PMOs can better bridge the gap between executive and executor: First, we discussed the need to define progress in terms of business needs met and not technical tasks performed, so that we measure in terms of results, not effort.

Games 40

Games Government Metrics Testing 40

The Agile Manager

NOVEMBER 26, 2008

This content is derived from a webinar I presented earlier this month titled The Agile PMO: Real-Time Metrics and Visibility. PMOs are responsible for keeping an eye on the performance of the IT project portfolio. Those individually-performed tasks need to be integrated and then tested from end-to-end. The project manager?

Code 40

Code Servers Engineering Programming 40

Tasktop

OCTOBER 30, 2019

He demonstrated how a more elegant functional design—combining immutability, purity, and duality of code and data—can save larger enterprises millions of dollars, as demonstrated by his previous work at Walmart. Jeff has been leading his organization’s software delivery transformation with the help of Flow Metrics.

DevOps 8

DevOps Education Innovation Metrics 8

The Agile Manager

OCTOBER 28, 2007

They go on to report that 70% of the cases of these 7 chronic illnesses are preventable through lifestyle change: diet, exercise, avoiding cigarettes and what not. This wording is intentional: how work is performed reduces the probability of failure. Reducing the probability of failure is the reduction of unforced errors.

Government 40

Government Retail Energy Code 40

The Netflix TechBlog

FEBRUARY 10, 2021

We wanted a way to ensure that we can have a consistent user experience while also sharing as much code as possible. This greatly reduces the number of bugs and improves the overall health and performance of every application that uses the design system. There will only be one implementation of buttons, tables, forms, etc.

Design 230

Design Systems Engineering Entertainment 230

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. MezzFS collects metrics on data throughput, download efficiency, resource usage, etc. We use this to debug errors and performance issues in specific mounts. How much faster is this?

Media 214

Media Storage Processing Cache 214

The Netflix TechBlog

OCTOBER 21, 2019

Where other systems may take over ten minutes to process metrics accurately, Mantis reduces that from tens of minutes down to seconds, effectively reducing our Mean-Time-To-Detect. Mantis Makes It Easy to Answer New Questions The traditional way of working with metrics and logs alone is not sufficient for large-scale and growing systems.

Open Source 148

Open Source Metrics Engineering Processing 148

The Netflix TechBlog

OCTOBER 21, 2019

Where other systems may take over ten minutes to process metrics accurately, Mantis reduces that from tens of minutes down to seconds, effectively reducing our Mean-Time-To-Detect. Mantis Makes It Easy to Answer New Questions The traditional way of working with metrics and logs alone is not sufficient for large-scale and growing systems.

Open Source 101

Open Source Metrics Engineering Processing 101

The Netflix TechBlog

OCTOBER 21, 2019

Where other systems may take over ten minutes to process metrics accurately, Mantis reduces that from tens of minutes down to seconds, effectively reducing our Mean-Time-To-Detect. Mantis Makes It Easy to Answer New Questions The traditional way of working with metrics and logs alone is not sufficient for large-scale and growing systems.

Open Source 100

Open Source Metrics Engineering Processing 100