Percona

JULY 25, 2023

When a new node joins the cluster, SST is performed to receive the data from DONOR to the JOINER. Percona XtraBackup performs crash recovery on the files to make a consistent, usable database again. This search tuple (key) is used to find the record to perform the undo operation. ibd in the test directory. ibd > t1.sdi

Cache 89

Cache Benchmarking Servers Design 89

Percona

MARCH 27, 2023

A lot of useful information can be retrieved from this schema, for example, table metadata and foreign key relations, but trying to query I_S can induce performance degradation if your server is under heavy load, as shown in the following example test. The same tests have been executed in Percona Server for MySQL 5.7

Cache 106

Cache Hardware Servers Benchmarking 106

Smashing Magazine

JUNE 3, 2022

Measuring The Performance Of Typefaces For Users (Part 1). Measuring The Performance Of Typefaces For Users (Part 1). How well does a typeface work and perform against another similar typeface? How would we test to see if there is any difference between a good sans serif and a serif typeface with users? Thomas Bohm.

Performance 110

Performance Design Best Practices Testing 110

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Dynatrace

NOVEMBER 8, 2021

Application performance monitoring (APM) solutions have evolved in recent years, and organizations now have plenty of options to choose from when selecting the right tools for their needs. APM solutions track key software application performance metrics using monitoring software and telemetry data. Dynatrace news.

Artificial Intelligence 234

Artificial Intelligence Monitoring Infrastructure Cloud 234

Speed Curve

MARCH 7, 2022

If you've been working in the performance space for a while and you hear me start to talk about page growth, I'd forgive you if you started running away. ;). HTML – Typically the smallest resource on the page, HTML's performance risk is usually negligible. These numbers should not be taken as a benchmark for your own site.

Mobile 145

Mobile Benchmarking Google Metrics 145

Smashing Magazine

JUNE 2, 2021

Improving The Performance Of An Online Store (Case Study). Improving The Performance Of An Online Store (Case Study). Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. Today, the website is much faster and ranks highly in various showcases and benchmarks.

Performance 115

Performance Cache Website Mobile 115

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

Brendan Gregg

FEBRUARY 9, 2018

The recently revealed [Meltdown and Spectre] bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen. Much of my testing was on Linux 4.14.11 and 4.14.12 a month ago, before we deployed in production.

Performance 75

Performance Benchmarking Cache Tuning 75

High Scalability

AUGUST 24, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search. Stateful JavaScript Apps.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

OCTOBER 27, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search. Stateful JavaScript Apps.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 29, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search. Stateful JavaScript Apps.

Education 100

Education DevOps Infrastructure Benchmarking 100

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. All the databases that HammerDB tests implement a form of MVCC (multi-version concurrency control). On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute.

Programming 67

Programming Benchmarking Virtualization C++ 67

High Scalability

SEPTEMBER 15, 2021

As Kinsta’s DevOps Engineer, you will be instrumental in making sure that our infrastructure is always on the bleeding edge of technology, remaining stable and high-performing at all times. No more hassles of benchmarking and tuning algorithms or building and maintaining infrastructure for vector search. Stateful JavaScript Apps.

Education 100

Education DevOps Infrastructure Benchmarking 100

Tim Kadlec

MARCH 7, 2019

Occasionally I hear some chatter about performance budgets “not working.” It’s not really about the performance budget, though. It’s not really about the performance budget, though. To be effective, a performance budget has to be concrete, meaningful, integrated, and enforced.

Performance 64

Performance Metrics Benchmarking Design 64

MachMetrics

DECEMBER 14, 2019

With another year winding down, it’s time for us to take stock of how our site performance compares to the average page load times for 2020. As you know, there are many metrics that determine a website’s page speed, and we can’t look at just one of them to determine how performant our site is.

Best Practices 105

Best Practices Speed Mobile Google 105

Percona

SEPTEMBER 1, 2023

MySQL server performance can sometimes be perplexing, and if you’ve ever wondered about the role of triggers in influencing your MySQL server’s memory allocation, this post is for you. This can affect the overall performance of your database system, potentially leading to slower response times. What is a Trigger in MySQL?

Cache 64

Cache Database Games Healthcare 64

Speed Curve

OCTOBER 27, 2020

Six months in, I've had a chance to gather and look at a lot of data, talk with customers, and learn from our friends in the performance community. SpeedCurve's Industry Benchmarks dashboard – which tracks the performance of top sites in retail, media, travel, and other industries – is a good place to start.

Retail 81

Retail Benchmarking Google Metrics 81

Percona

JANUARY 19, 2023

While the technologies have evolved and matured enough, there are still some people thinking that MySQL is only for small projects or that it can’t perform well with large tables. With disks being faster nowadays and CPU and memory resources being cheaper, we could easily say MySQL can handle TBs of data with good performance.

Open Source 92

Open Source Storage Database Big Data 92

Brendan Gregg

FEBRUARY 8, 2018

The recently revealed [Meltdown and Spectre] bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen. Much of my testing was on Linux 4.14.11 and 4.14.12 a month ago, before we deployed in production.

Performance 40

Performance Benchmarking Cache Tuning 40

Percona

MARCH 20, 2023

micro) The tests We will have very simple test cases. The second test will define how well the increasing load is served inside the previously identified range. HAProxy performs better with a low number of connections, while ProxySQL performs better when a high number of connections is in place.

Games 125

Games Latency Traffic Cache 125

Alex Russell

OCTOBER 22, 2017

TL;DR: performance budgets are an essential but under-appreciated part of product success and team health. Nobody is trying to do a poor job, and yet the results of a “completed” PWA project often require weeks or months of painstaking rework to deliver minimally acceptable performance. What’s going on here?

Performance 68

Performance Benchmarking Network Mobile 68

Rigor

DECEMBER 19, 2019

Reading time 4 min It’s important for both technical and business teams to understand the different web performance monitoring options that are available as well as their various use cases and the benefits of each. Understanding Web Performance Monitoring Methodologies. Test at Every Stage of Development.

Monitoring 40

Monitoring Benchmarking Website Traffic 40

Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Testing And Monitoring.

Performance 145

Performance Cache Network Metrics 145

KeyCDN

DECEMBER 8, 2022

Unoptimized content could also be one of the reasons why your WordPress website is not performing as per your expectations. But if you have not optimized your WordPress properly, your WordPress will definitely be slower than your expectations. Several website speed testing tools available could be used for this purpose.

Cache 52

Cache Website Speed Website Performance 52

The Morning Paper

JANUARY 16, 2020

One motivating example from the paper is a high-school teacher wanting to modify a collection of student scores to drop the lowest test score for each student. One definition of simple, but not a terribly useful one, would be a program that simply memorised input-output examples.

Programming 56

Programming Benchmarking Testing Systems 56

Abhishek Tiwari

DECEMBER 27, 2017

overall performance comparable to bare metal. The good news is all of these challenges including performance can be tackled and in several cases, there are new developments to overcome them. The good news is all of these challenges including performance can be tackled and in several cases, there are new developments to overcome them.

Big Data 63

Big Data Storage Benchmarking Hardware 63

Smashing Magazine

JUNE 26, 2019

Developers are already optimizing front end performance with: Fast web hosting. Instead, I suggest that web designers use another Google testing tool called Test My Site. Test My Site is a mobile page speed testing tool from Think with Google. Source: Test My Site ) ( Large preview ). Clean coding practices.

Website 110

Website Speed Mobile Design 110

Smashing Magazine

FEBRUARY 15, 2021

In FFMPEG, the principal quality/size benchmark is the Constant Rate Factor (CRF) compression, with values ranging from 0 (no compression) to 50 (high compression). That night, you get a text from your carrier that you used a lot more data than you imagined (and definitely way more than you originally planned!). Large preview ).

Network 143

Network Speed Website Mobile 143

Speed Curve

AUGUST 8, 2017

Because the average page is now 3MB in size, and this seems like a good time to pause, check our assumptions, and ask ourselves: Is there any reason to care about page size as a performance metric? These numbers should not in any way even remotely be taken as a benchmark for your own site. They represent trends – that's all.

Metrics 80

Metrics Website Speed Benchmarking 80

KeyCDN

OCTOBER 2, 2018

Its videos and blog articles address issues such as web performance, extensible component development and the intersection of CSS with other technologies, like HTML and JavaScript. If you frequently rely on Pens to test ideas, this blog is a must-read for its highlights of new functionalities. Visit website 3. Visit website 5.

Development 75

Development Website Design Code 75

Randon ASCII

APRIL 17, 2018

When you own all of the code then this may involve some back of the envelope estimates, competitive benchmarking, or intuition tuned by experience. The CPU Usage (Precise) graph in WPA ( Windows Performance Analyzer ) shows CPU usage as a percentage of the eight-cores on my system and the table shows it in milliseconds.

Monitoring 43

Monitoring C++ Code Processing 43

Highly Scalable

MARCH 10, 2015

A/B testing and panel surveys are used in such cases to get additional data points that improve the precision of the model. The goal is to find a set of the most promising candidates who should receive the resource in order to maximize the overall performance of the targeted group of customers. Problem 1 : Response Modeling.

Retail 152

Retail C++ Analytics Metrics 152

SQL Server According to Bob

JANUARY 11, 2020

This will help you increase system performance and avoid I/O environment errors. Atomicity A transaction must be an atomic unit of work; either all of its data modifications are performed or none of them are performed. Different implementations can have profound effects on SQL Server performance.

Servers 40

Servers Cache Media Hardware 40

O'Reilly

OCTOBER 18, 2022

AI audit firms tend to perform a mix of audits and assessments. By definition, new AI technology is less mature. Many organizations now perform fuzzy keyword matching and resume scanning based on LLMs. If your organization wants to measure bias quantitatively, you’ll probably need to test data with demographic labels.

Artificial Intelligence 116

Artificial Intelligence Government Healthcare Metrics 116

High Scalability

NOVEMBER 25, 2019

There are many unique things but the storage layer, event-based sync is definitely worth learning, here are more details on it Egnyte object store and Egnyte Canonical File System. Who performs what roles? It's a big team, we have Product managers, UX team, DevOps, scrum teams, architects, engineers performing various roles.

Architecture 52

Architecture Cache Azure Storage 52