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. JOINER must prepare the backup before using it.

Cache 87

Cache Benchmarking Servers Design 87

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 61

Cache Database Games Healthcare 61

Dynatrace

MAY 17, 2023

But its underlying goal is quite humble and straightforward: it wants to enable you to observe an IT system (for example, a web application, infrastructure, or services) and gain insight to its behavior, such as performance, error rates, hot spots of executed instructions in code, and more.

Metrics 185

Metrics Open Source Traffic Cache 185

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

CSS Wizardry

AUGUST 24, 2022

A thing I see developers do time and time again is make performance-facing changes to their sites and apps, but mistakes in how they measure them often lead to incorrect conclusions about the effectiveness of that work. Problems When Measuring Performance. For example, continuing our task to reduce CSS size: performance.

Benchmarking 212

Benchmarking Metrics Cache Network 212

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 104

Cache Hardware Servers Benchmarking 104

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 58

Servers Cache Retail Benchmarking 58

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

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

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 235

Cache Serverless Efficiency Tuning 235

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 225

Monitoring Metrics DevOps Scalability 225

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

Smashing Magazine

JULY 18, 2022

If you think that static rendering is limited to generic, public content that is the same for every user of your website, you should definitely read this article. You are now “Head of Performance” at Repairing Magazine, the most serious competitor to Smashing Magazine. Static Rendering Gives The Best Performances But Is Less Flexible.

Cache 114

Cache Website Energy Servers 114

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. Here’s the thing: performance is more than a one-off task. billion if the site slowed down by just one second. Lighthouse.

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

Dynatrace

OCTOBER 4, 2022

This data lands in its original, raw form without requiring schema definition. The performance of these queries needs to be at a level where they can support ad-hoc analytics use cases. It uses cost-effective and durable object storage to store massive volumes of data without the traditional cost and performance tradeoffs.

Artificial Intelligence 213

Artificial Intelligence Analytics Storage Government 213

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

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

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

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

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

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

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

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. However, unoptimized WordPress plugins can drastically drag down your website's performance.

Cache 52

Cache Website Speed Website Performance 52

Percona

NOVEMBER 7, 2023

This book has five major sections on MVCC and Isolation (108 pages), Buffer Cache and WAL (53 pages), Locks (42 pages), Query Execution (154 pages), and the types of indexes (127 pages). How to read this book The best way to read this book is from the first page to the last, as the author builds on previous definitions and explanations.

Cache 90

Cache Servers Operating System Database 90

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 50

Performance Testing Testing Performance Cache 50

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 122

Games Latency Traffic Cache 122

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

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

SQL Performance

APRIL 18, 2022

This parallel plan ( with a Sort operator) is definitely parameterized by the server using simple parameterization. It’s important to remember the plan must be cached. Requesting an estimated plan from SSMS does not cache the plan produced (since SQL Server 2012). Performance Counters. Reliable Methods.

Cache 58

Cache Servers Database Testing 58

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

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

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 26, 2021

checks for type definition during build time. Your application might also suffer from caching, and performance issues. They handle a lot of things like caching and performance which are difficult to manage on your own. In certain cases, the build will fail if there are type mismatches in your code as Next.js

Cache 143

Cache Code Testing Design 143