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. performance degradation. That is (46320 – 38472) * 100 / 46320 = 16.9%

Cache 106

Cache Hardware Servers Benchmarking 106

Speed Curve

FEBRUARY 5, 2024

That performance golden rule still holds true today. Charlie Vazac introduced server timing in a Performance Calendar post circa 2018. Caching the base page/HTML is common, and it should have a positive impact on backend times. In the case of a cache miss, this should be zero.) (In the case of a cache miss, this should be zero.)

Servers 57

Servers Cache Retail Benchmarking 57

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. For this article, we will focus on the first three and the performance adjustments for these.

Performance 115

Performance Cache Website Mobile 115

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. .”

Cache 64

Cache Database Games Healthcare 64

Dynatrace

NOVEMBER 3, 2021

Monitoring , by textbook definition, is the process of collecting, analyzing, and using information to track a program’s progress toward reaching its objectives and to guide management decisions. Because monitoring tends to focus on key indicators such as utilization rates and throughput, monitoring indicates overall system performance.

Monitoring 223

Monitoring Metrics DevOps Scalability 223

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. Performing steps like switching from a single-CDN setup to a multi-CDN or separating strategies for content types can make the benefits twofold! Those days are long gone.

Architecture 52

Architecture Performance Internet Internet 52

Dynatrace

JULY 16, 2020

It wouldn’t scale and it wouldn’t perform either. Highly parallel and performant for any API call and doesn’t introduce much overhead. ? It would definitely make my life easier! TenantCache: a cache to store tenant information and API token information and semi-permanent data to avoid unnecessary roundtrips. ?

Cache 234

Cache Serverless Efficiency Tuning 234

KeyCDN

SEPTEMBER 3, 2020

How to measure performance The Website Speed Test is the ideal tool for measuring the performance of your website. It offers a full range of performance grades and suggestions where we outline the performance potential in detail. Further down, there are detailed performance grades for various topics.

Processing 127

Processing Cache Website Servers 127

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

IO River

NOVEMBER 2, 2023

Now, with viewers all over the world expecting flawless and high-definition streaming, video providers have their work cut out for them. Performing steps like switching from a single-CDN setup to a multi-CDN or separating strategies for content types can make the benefits twofold! Those days are long gone.

Architecture 52

Architecture Performance Internet Internet 52

Percona

NOVEMBER 7, 2023

The book PostgreSQL 14 Internals has been available in PDF format for quite a while, but recently, the ability to order a printed copy became available ( [link] ). This 548-page tome from PostgresPro covers the spectrum from data organization to details on the many available indexing options.

Cache 91

Cache Servers Operating System Database 91

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. The code for the site is available on GitHub for reference. Here’s the thing: performance is more than a one-off task.

Cache 92

Cache Social Media Media Website 92

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? Vitaly Friedman.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

OCTOBER 2, 2023

Definitely read up on the strategy and reasoning behind this stack in the first article if you missed it. I plan on sharing specifically what I learned from performance and accessibility practices as a first-time lead developer of a team , as well as what I wish I had known before we started. Unoptimized, full-size JPEG is around 1.2

Cache 72

Cache Strategy Best Practices Design 72

Jos

APRIL 6, 2018

It turns out this component structure provides a great foundation to improve the performance of our sites. Lazy-loading and bundle splitting can have a huge impact on page performance: less code requested, parsed, and executed. Improving performance of our sites by loading only what is needed Imagine a typical web page.

Code 147

Code Performance Media Google 147

Smashing Magazine

JUNE 29, 2021

Without build optimizations (incremental builds, caching, we will get to those soon) this will eventually become unmanageable as well — think about going through all images in a website: resizing, deleting, and/or creating new files over and over again. The cache is invalidated on a time basis. Creating an On-Demand builder.

Cache 129

Cache Website Strategy Traffic 129

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

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. I’ve copied the query below, and if you’ve never run it against any of your production environments before, definitely find some time to do so. EXEC dbo. [

Cache 54

Cache Performance Hardware Servers 54

KeyCDN

FEBRUARY 4, 2021

This query is performed by a Domain Name Server (DNS server) or servers nearby that have been assigned responsibility for that hostname. So DNS services definitely go down! But remember, ISPs also cache the DNS so by setting a longer TTL it means fewer queries to your DNS servers. Speed Speed also plays a role with DNS.

Cache 134

Cache Website Internet Internet 134

Percona

MARCH 20, 2023

When deciding what to pick, there are many things to consider, like where the proxy needs to be, if it “just” needs to redirect the connections, or if more features need to be in, like caching and filtering, or if it needs to be integrated with some MySQL embedded automation. Given that, there never was a single straight answer.

Games 125

Games Latency Traffic Cache 125

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [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? Vitaly Friedman.

Performance 103

Performance Cache Metrics Network 103

Jos

APRIL 5, 2018

It turns out this component structure provides a great foundation to improve the performance of our sites. Lazy-loading and bundle splitting can have a huge impact on page performance: less code requested, parsed, and executed. Improving performance of our sites by loading only what is needed Imagine a typical web page.

Code 130

Code Performance Google Media 130

Dynatrace

AUGUST 12, 2019

Resolve performance problems rooted in the Oracle database layer. With additional data from the database server, you’ll be able to resolve performance problems that are rooted deep in the database layer. Oracle performance metrics. This is where database insights come in handy. Why is your database statement slow?

Database 128

Database Metrics Cache Servers 128

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

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. Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar.

Performance 75

Performance Benchmarking Cache Tuning 75

Dynatrace

APRIL 8, 2020

— Excerpt from How Garbage Collection works in the Dynatrace Performance eBook) . However, garbage collection is one of the main sources of performance and scalability issues in any modern Java application. It prevents your application from fully leveraging the available CPU.

Speed 165

Speed Code Java Lambda 165

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. The screenshot below explains that page load time and lighthouse performance scores are not the same, yet they are really close to each other.

Cache 78

Cache Speed Google Website 78

CSS - Tricks

MARCH 29, 2021

Maybe it’s part of a performance review to identify critical CSS and reduce unused selectors. Generally, code auditing involves analyzing code to find bugs or other irregularities, like possible performance issues. It may not be critical data to know, but sometimes it helps to understand the caching strategy. Table of contents.

Code 110

Code Media Cache Energy 110

John McCalpin

SEPTEMBER 17, 2018

Processes running on the two Logical Processors share most of the processor resources (particularly caches and execution units). Last year I was trying to diagnose a mild slowdown in a code, and wanted to be able to use the hardware performance counters to divide processor activity into four categories: Neither Logical Processor active.

Hardware 40

Hardware Performance Cache Programming 40

Tim Kadlec

JUNE 17, 2020

Awhile back, I wrote about using Netlify and SpeedCurve to A/B test performance changes. For all HTML responses, I pass a Cache-control: max-age=900, must-revalidate header. This tells the browser to cache the response for 15 minutes ( 900 ⁄ 60 ). The one I specifically mentioned was testing out Instant.Page on my site.

Cache 80

Cache Servers Testing Performance 80

Smashing Magazine

NOVEMBER 17, 2022

That is why, today, Web Performance is as important and trendy as having an online presence. Table of Contents: What Is Web Performance? What Is Web Performance? Web performance refers to the speed at which a website loads, how fast it’s downloaded, and how an app is displayed on the user’s browser. Conclusion.

Media 105

Media Cache Website Mobile 105

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

Tim Kadlec

APRIL 12, 2020

A couple of months ago, I was helping one company boost its performance online. The cache hit was very low (a topic for another day), and whenever the server had to provide a fresh version of the page, it was taking an unacceptably long time more often than not. Here’s an example.

Tuning 69

Tuning Cache Network Servers 69

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. Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar.

Performance 40

Performance Benchmarking Cache Tuning 40

Smashing Magazine

JUNE 25, 2020

Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. Definitions. Performance And Availability. There are numerous factors that affect the performance and reliability of your website.

Media 69

Media Cache Storage AWS 69

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. Partner meetings are illuminating.

Performance 68

Performance Benchmarking Network Mobile 68

Percona

MAY 15, 2023

Nothing is impossible; however, the performances will be so impacted that each operation may take seconds instead of milliseconds or a fraction of it unless lifting some of the rules breaks the relational model. In the MySQL open source ecosystem, we have only two consolidated ways to perform sharding — Vitess and ProxySQL.

Traffic 128

Traffic Scalability Database Servers 128