Jos

JUNE 2, 2018

Web Performance is not only about understanding what makes a site fast. Performance is a feature and needs to be prioritized as such. Performance is a topic that has interested me for a long time. There was something gratifying in taking a code that takes minutes to run and make it run in a handful seconds.

Performance 237

Performance Speed Google Media 237

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

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

Dynatrace

NOVEMBER 28, 2022

For AWS Lambda, the largest contributor to startup latency is the time spent initializing an execution environment, which includes loading function code and initializing dependencies. With SnapStart enabled, function code is initialized once when a function version is published. What is Lambda? What is Lambda SnapStart?

Lambda 221

Lambda AWS Serverless Latency 221

Dynatrace

SEPTEMBER 13, 2023

The framework comprises six pillars: Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization, and Sustainability. And how can you verify this performance consistently across a multicloud environment that also uses Microsoft Azure and Google Cloud Platform frameworks?

AWS 243

AWS Efficiency Azure Cloud 243

Testsigma

JUNE 3, 2021

These are the errors that also need attention during the testing phase. We can divide the errors during software development into two sections for easy understanding: Software errors Testing errors. Non-performance of the intended function: The software is unable to perform the function as intended, then this is an error.

Software 82

Software Software Testing Hardware 82

CSS Wizardry

MAY 31, 2019

Users might already have the file cached. If website-a.com links to [link] , and a user goes from there to website-b.com who also links to [link] , then the user will already have that file in their cache. Penalty: Caching. This makes it very safe and sensible to enforce a reasonably aggressive cache policy. to just 3.6s.

Cache 274

Cache Latency Infrastructure Website 274

Speed Curve

JUNE 18, 2019

At some point you'll be given permission to "focus on performance" and after many more hours, the website will be fast again. What if there was a way that you could prevent performance from degrading in the first place? Some sort of performance gateway that only allows changes to production code if they meet performance requirements?

Performance Testing 49

Performance Testing Testing Performance Cache 49

Smashing Magazine

NOVEMBER 26, 2021

It can also have tests that are flaky and don’t inspire any confidence. However, there are a few ways in which you can make a large code-base easy to maintain. In certain cases, the build will fail if there are type mismatches in your code as Next.js We recommend using code editor type checking during development.”.

Cache 143

Cache Code Testing Design 143

Jos

JUNE 2, 2018

Web Performance is not only about understanding what makes a site fast. Performance is a feature and needs to be prioritized as such. Performance is a topic that has interested me for a long time. There was something gratifying in taking a code that takes minutes to run and make it run in a handful seconds.

Performance 130

Performance Speed Google Media 130

SQL Performance

MARCH 29, 2022

Simple parameterization has a number of quirks in this area, which can result in more parameterized plans being cached than expected, or finding different results compared with the unparameterized version. Reputation = 252552 ; These statements result in six cached plans, three Adhoc and three Prepared : Different guessed types.

Cache 90

Cache Servers Database Testing 90

SQL Performance

MAY 22, 2019

It’s one of the things we look at during a health audit, and Kimberly has a great query from her Plan cache and optimizing for adhoc workloads post that’s part of our toolkit. About 1GB of the plan cache is for prepared and procedure plans, and they only take up about 300MB worth of space. DBCC FREEPROCCACHE ; GO. EXEC dbo. [

Cache 54

Cache Performance Hardware Servers 54

SQL Performance

APRIL 13, 2020

His version can be used for the plan cache – the only challenge there is the information is transient, so you may not capture every query that uses a particular index. If possible, I'll also consider execution counts (from Query Store or the plan cache) to not just understand what query uses an index, but how frequently that query executes.

Tuning 137

Tuning Cache Metrics Testing 137

Smashing Magazine

OCTOBER 26, 2021

In this article, we will go through how to optimize and build a high-performance Next.js Nx is an open-source build framework that helps you architect, test, and build at any scale — integrating seamlessly with modern technologies and libraries, while providing a robust command-line interface (CLI), caching, and dependency management.

Cache 109

Cache Servers Code Storage 109

Dotcom-Montior

AUGUST 5, 2020

Page speed has been a key factor in Google’s ranking algorithm since 2010 , so it is essential to understand the various ways you can optimize your pages and why implementing synthetic monitoring can ensure your pages perform flawlessly and revenue isn’t lost. Find Your Performance Baseline. Optimize Your Pages.

Website 92

Website Speed Cache Traffic 92

KeyCDN

DECEMBER 8, 2022

Unoptimized content could also be one of the reasons why your WordPress website is not performing as per your expectations. Many factors affect the speed of your WordPress website; some of them are: Your web host Server-side optimizations (PHP version, compression, caching, etc.) So let's discuss the process one step at a time.

Cache 52

Cache Website Speed Website Performance 52

MachMetrics

FEBRUARY 27, 2020

However, you have likely used the Web UI that Google uses to allow you to test websites for speed – Google PageSpeed Insights. Lighthouse is a completely open-source tool that allows users to test any website in a multitude of ways. While PageSpeed Insights focuses solely on speed/performance, Lighthouse offers even more.

Google 82

Google Speed Testing Tools Testing 82

Percona

DECEMBER 20, 2023

The InnoDB buffer pool acts as a powerhouse for MySQL, caching frequently accessed data and index pages in memory to accelerate query performance. The following is a sample PMM dashboard that shows the multiple buffer pool resize operations during my tests. This is available only for the log_error_verbosity=3.

Monitoring 91

Monitoring Code Open Source Cache 91

Randon ASCII

JULY 11, 2022

While investigating some performance mysteries in Chrome I discovered that Microsoft had parallelized how they zero memory, and in some cases this was making it a lot slower. Downloads go through the cache, the cache is saved to disk, and saves to disk are slowed by (some) anti-virus software. It looks like this can happen.

Cache 105

Cache Energy Google Processing 105

Dynatrace

NOVEMBER 5, 2019

Application Insights – Collects performance metrics of the application code. This requires the installation of an instrumentation package into the code making it a hands-on approach to monitoring. Distributed Tracing – Distributed Tracing / Code level insights for multiple technology stacks are achieved without any code changes.

Azure 136

Azure Artificial Intelligence Metrics Innovation 136

The Netflix TechBlog

NOVEMBER 9, 2022

A quick canary test was free of errors and showed lower latency, which is expected given that our standard canary setup routes an equal amount of traffic to both the baseline running on 4xl and the canary on 12xl. Luckily, the m5.12xl instance type exposes a set of core PMCs (Performance Monitoring Counters, a.k.a.

Hardware 363

Hardware Cache Performance Latency 363

CSS Wizardry

MAY 19, 2020

With more standardised FOUT/FOIT behaviour from browser vendors, to the newer font-display specification, performance—and therefore the user—seems to have been finally been put front-and-centre. On this site, in which performance is the only name of the game, I forgo web fonts entirely, opting instead to make use of the visitor’s system font.

Google 364

Google Media Latency Metrics 364

Smashing Magazine

MARCH 19, 2021

Working around improving performance was an ongoing journey on SmashingMag for a while. In the end of last year we’ve noticed that we’ve seen quite a drop in performance in 2020, so we rolled up our sleeves and got to work. Gael Metais suggested to more aggressively subset web fonts and look into caching issues with our AVIF files.

Mobile 140

Mobile Design Cache Code 140

SQL Server According to Bob

FEBRUARY 5, 2018

FILE cache type was the default leading to incorrect principal errors. The klist utility is helpful to show things like the currently cached Kerberos information. Ticket cache: KEYRING:persistent:0:0. Hint: On testing systems (use with extreme caution) I often set the KDC policy to disable password updates for machine accounts.

Servers 40

Servers Code Cache Traffic 40

Tech News Gather

JULY 18, 2023

Considering the usability, today, healthcare apps are also used for self-screening for symptoms, tracking their exposure, and getting tested or vaccinated if needed. Not just among developers but also clients, Laravel has immense popularity because it simplifies complex tasks like authenticating, routing, caching, and testing content.

Healthcare 52

Healthcare Social Media Development Artificial Intelligence 52

Dynatrace

SEPTEMBER 17, 2019

End-to-end code-level tracing. REDIS for caching. Dynatrace’s PurePath technology brings us automatic end-to-end code level tracing without having to modify any code or configuration. MaaS for Developers: Understand and optimize your code. 2: Distributed code optimization. Full-stack observability.

AWS 127

AWS Monitoring Ecommerce Lambda 127

Dean Hume

MAY 16, 2018

If you’ve ever tried to build a web application that is completely offline first, you’ll know how tricky it can be to make changes to the users cache when you do make updates to the site and the user has connectivity. You’ll also learn how to refresh the page, so that the user is up to date and has the latest version of any cached files.

Availability 100

Availability Cache Code Google 100

Percona

JULY 27, 2023

While this is a great idea for security reasons, there will be many more posts on websites like Stackoverflow bemoaning that their old code and connector can not connect to the new version of the database. This could be handy for tracking query tuning and performance auditing. For those wondering when Percona’s 8.0.34

Servers 86

Servers Open Source Tuning Cache 86

SQL Performance

JANUARY 11, 2021

all_columns ; The prepared statement from the application looked like this (as seen in the plan cache): ( @P0 varchar ( 8000 ) ) SELECT * FROM dbo.TheThings WHERE TypeID = @P0. And if the query is truly observing the RECOMPILE hint I'm passing in to the plan guide, how could I ever see any evidence in the plan cache anyway?

Cache 59

Cache Tuning Database Performance 59

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. To understand how these changes affect us from a performance perspective, we need to grasp the underlying technology.

Google 71

Google Engineering Speed Mobile 71

The Netflix TechBlog

MARCH 5, 2019

the order of the rows on your Netflix home page, issuing content licenses when you click play, finding the Open Connect cache closest to you with the content you requested, and many more). In the Performance space, our data teams currently focus on the quality of experience on Netflix-enabled devices.

Infrastructure 182

Infrastructure Cloud Scalability AWS 182

Brendan Gregg

AUGUST 29, 2021

A service team was debugging a performance issue and noticed it coincided with a high rate of paging. I was asked to help, and used a variety of Linux performance tools to solve this including those that use eBPF and Ftrace. Reads usually have apps waiting on them; writes may not (write-back caching). This is "cache busting."

Cache 40

Cache C++ AWS Systems 40

Smashing Magazine

NOVEMBER 22, 2021

Improving The Performance Of Wix Websites (Case Study). Improving The Performance Of Wix Websites (Case Study). It was at this point that we realized we needed to make a significant change in our approach towards performance, and that we must embrace performance as part of our culture. Dan Shappir. Large preview ).

Website 126

Website Performance Google Media 126

KeyCDN

SEPTEMBER 12, 2019

We normally focus solely on the performance aspect, but today we want to dive into additional ways you can optimize images for the web. The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better.

Social Media 106

Social Media Media Google Website 106

KeyCDN

JANUARY 23, 2020

These acronyms, which stand for real user monitoring and application performance monitoring, are software monitoring processes essential to measuring and evaluating applications in many different areas. RUM gathers data from real life users to analyze application performance. What is application performance monitoring (APM)?

Strategy 72

Strategy Metrics Monitoring Servers 72

MachMetrics

JANUARY 16, 2020

Optimizing your images is often the very first suggestion that any performance writer or consultant will make when it comes to optimizing a website. However, what do you do when you optimize your images and still don’t see a noticeable improvement in the performance of your site? We’re no exception.

Speed 89

Speed Website Metrics Cache 89

Brendan Gregg

MARCH 16, 2024

Apart from library code, maybe your application doesn't have frame pointers either, in which case everything is broken. I'm sure this delivered large performance improvements and I wouldn't try arguing against it. This is exactly what happened on Linux, not just /usr/bin but also /usr/lib and application code!

Java 145

Java Cache Google Hardware 145