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

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

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

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! Using a fast DNS hosting provider ensures there is less latency between the DNS lookup and TTFB. Speed Speed also plays a role with DNS.

Cache 134

Cache Website Internet Internet 134

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

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

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

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

The Morning Paper

OCTOBER 6, 2019

Model performance is not the same as business performance. Prediction serving latency matters. Lesson 2: model performance is not the same as business performance. An interesting finding is that increasing the performance of a model does not necessarily translate into a gain in [business] value.

Latency 102

Latency Metrics Cache Design 102

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

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

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. AB Test the Performance Impact of Third Parties.

Monitoring 40

Monitoring Benchmarking Website Traffic 40

The Morning Paper

NOVEMBER 17, 2019

For example, to reduce latency, serverless platforms try to reuse the same function instance to process multiple requests. Serverless functions are stateless , but can opportunistically reuse cached state across invocations to speed up start times. Don’t do that! a persistent store with transaction support).

Serverless 58

Serverless Lambda Programming Cache 58

The Netflix TechBlog

JUNE 14, 2023

This blog post will share broadly-applicable techniques (beyond GraphQL) we used to perform this migration. And we definitely couldn’t replay test non-functional requirements like caching and logging user interaction. The three strategies we will discuss today are AB Testing , Replay Testing, and Sticky Canaries.

Traffic 353

Traffic Latency Cache Metrics 353

All Things Distributed

DECEMBER 5, 2010

I am very excited that today we have launched Amazon Route 53, a high-performance and highly-available Domain Name System (DNS) service. There are two main types of DNS servers: authoritative servers and caching resolvers. Authoritative servers hold the definitive mappings. By Werner Vogels on 05 December 2010 02:00 PM.

Cloud 117

Cloud Internet Internet AWS 117

John McCalpin

NOVEMBER 5, 2016

In recent years the trend has been to increase core-level performance by the use of SIMD vector instructions, and to increase package-level performance by the addition of more and more cores. With 2 FMA units that have 5-cycle latency, the code must implement at least 2*5=10 independent accumulators in order to avoid stalls.

Cache 40

Cache C++ Latency Hardware 40

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. This cache is often supported by a battery-powered backup facility.

Servers 40

Servers Cache Media Hardware 40

Percona

MAY 2, 2023

PBM is a fully-supported community backup tool capable of performing cluster-side consistent backups in MongoDB for replica sets and sharded clusters. Best practice tip : It is always advisable to use secondary servers for backups to avoid unnecessary performance degradation on the PRIMARY node.

Best Practices 52

Best Practices Database Storage Servers 52

The Netflix TechBlog

JULY 12, 2019

The Tech Hollow , an OSS technology we released a few years ago, has been best described as a total high-density near cache : Total : The entire dataset is cached on each node?—?there there is no eviction policy, and there are no cache misses. Near : the cache exists in RAM on any instance which requires access to the dataset.

Cache 183

Cache Architecture Latency Engineering 183

Smashing Magazine

AUGUST 22, 2021

HTTP/3: Performance Improvements (Part 2). HTTP/3: Performance Improvements (Part 2). In this second part, we will zoom in on the performance improvements that QUIC and HTTP/3 bring to the table for web-page loading. HTTP/3 performance features ( current article ). Two-way latency is often called round-trip time (RTT).

Performance 105

Performance Network Latency Servers 105

All Things Distributed

JULY 14, 2015

In this blog post, I will explain how these three new capabilities empower you to build applications with distributed systems architecture and create responsive, reliable, and high-performance applications using DynamoDB that work at any scale. The stream is exposed via the familiar Amazon Kinesis interface. DynamoDB Cross-region Replication.

Database 167

Database Lambda AWS IoT 167

The Netflix TechBlog

NOVEMBER 4, 2019

This aggregator would need to perform more complex operations, such as searching for creatives by ranking even though the ranking data is stored two hops away in another service. At a minimum, we extract all of the type definitions from the GraphQL query and map them to a schema for Elasticsearch to use. Our data changes constantly?—?

Cache 240

Cache Database Servers Latency 240

Smashing Magazine

SEPTEMBER 24, 2021

From the moment we went live, we experienced performance issues. performance improvement can lead to a 10% increase in conversion. To mitigate the performance issues, we had to add a lot of (unbudgeted) extra servers and had to aggressively cache pages on a reverse proxy. Plan For Performance And Measure Performance.

Website 113

Website Code Servers Analytics 113

The Netflix TechBlog

NOVEMBER 4, 2019

This aggregator would need to perform more complex operations, such as searching for creatives by ranking even though the ranking data is stored two hops away in another service. At a minimum, we extract all of the type definitions from the GraphQL query and map them to a schema for Elasticsearch to use. Our data changes constantly?—?

Cache 112

Cache Database Servers Latency 112

The Netflix TechBlog

NOVEMBER 4, 2019

This aggregator would need to perform more complex operations, such as searching for creatives by ranking even though the ranking data is stored two hops away in another service. At a minimum, we extract all of the type definitions from the GraphQL query and map them to a schema for Elasticsearch to use. Our data changes constantly?—?

Cache 100

Cache Database Servers Latency 100

Smashing Magazine

SEPTEMBER 6, 2021

If after the previous two parts — HTTP/3 history and core concepts and HTTP/3 performance features — you’re convinced that starting to use the new protocols is a good idea (and you should be!), HTTP/3 performance features. Finally, not inlining resources has an added latency cost because the file needs to be requested.

Network 104

Network Servers Cache Traffic 104

Smashing Magazine

AUGUST 9, 2021

You’ve probably heard things like: “HTTP/3 is much faster than HTTP/2 when there is packet loss”, or “HTTP/3 connections have less latency and take less time to set up”, and probably “HTTP/3 can send data more quickly and can send more resources in parallel”. HTTP/3 performance features ( coming up soon! ).

Transportation 145

Transportation Internet Internet Network 145