CSS Wizardry

NOVEMBER 9, 2018

Let me address that by combining my two favourite topics: CSS and performance. It’s really, really bad for Start Render performance. The introduction of the Preload Scanner improved web page performance by around 19%, all without developers having to lift a finger. Test, test, test. What’s the Big Problem?

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Network Performance Media Cache 278

Dynatrace

JANUARY 31, 2024

This blog post explores how AI observability enables organizations to predict and control costs, performance, and data reliability. Data dependencies and framework intricacies require observing the lifecycle of an AI-powered application end to end, from infrastructure and model performance to semantic caches and workflow orchestration.

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Cache Azure Infrastructure Monitoring 215

The Netflix TechBlog

SEPTEMBER 18, 2024

Firstly, developers struggled to reason about consistency, durability and performance in this complex global deployment across multiple stores. This flexibility allows our Data Platform to route different use cases to the most suitable storage system based on performance, durability, and consistency needs.

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Latency Storage Cache Efficiency 248

DZone

DECEMBER 30, 2020

Below are some of the key metrics that need to be monitored during performance testing: CPU utilization. Cache hit ratio. Let's take a look at some of the causes of negative impacts on performance testing and some quick resolutions that will help smooth everything out. Heap memory utilization. Application log.

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Servers Performance Cache Performance Testing 120

Percona

JUNE 22, 2023

As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance.

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Performance Monitoring Traffic Database 108

Percona

MARCH 23, 2023

This blog is in reference to our previous ones for ‘Innodb Performance Optimizations Basics’ 2007 and 2013. Although there have been many blogs about adjusting MySQL variables for better performance since then, I think this topic deserves a blog update since the last update was a decade ago, and MySQL 5.7

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Performance Hardware Tuning Storage 129

Scalegrid

JANUARY 25, 2024

Redis® is an in-memory database that provides blazingly fast performance. This makes it a compelling alternative to disk-based databases when performance is a concern. You might already use ScaleGrid hosting for Redis hosting to power your performance-sensitive applications.

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Metrics Monitoring Latency Cache 130

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. Moving over to web, the performance problems are different. This is not a post explaining why web performance is important.

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Performance Speed Google Media 237

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 ).

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Website Performance Google Media 129

CSS Wizardry

SEPTEMBER 6, 2022

Honestly, in this scenario, my advice is almost always: don’t bother trying to retrofit Critical CSS—just hash-n-cache 1 2 the living daylights out of your existing CSS bundles until you replatform and do it differently next time. Let’s look at the performance implications of getting Critical CSS right. performance.

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Media Cache Network Website 353

Speed Curve

DECEMBER 13, 2023

So I thought it would be fun to spend some time poking around behind the scenes and give the site a holiday performance audit. Background For this performance audit, I looked at this synthetic test for the LEGO.com home page. (We You can drill down into the test details for each site and learn how the fastest sites stay fast.)

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Performance Retail Benchmarking Ecommerce 66

The Netflix TechBlog

MAY 4, 2023

The first phase involves validating functional correctness, scalability, and performance concerns and ensuring the new systems’ resilience before the migration. These include Quality-of-Experience(QoE) measurements at the customer device level, Service-Level-Agreements (SLAs), and business-level Key-Performance-Indicators(KPIs).

Traffic 344

Traffic Latency Tuning Systems 344

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.

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Performance Benchmarking Cache Storage 54

Percona

APRIL 7, 2023

I’ve used a fourth instance to host a PMM server to monitor servers A and B and used the data collected by the PMM agents installed on the database servers to compare performance. To be fair, that is also true with PostgreSQL; it hasn’t been tuned either, and it, too, can also perform much better. Why is that?

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Tuning Cache Servers Benchmarking 139

CSS - Tricks

MARCH 2, 2022

I have a handful of good links to articles about performance that are burning a hole in my bookmarks folder, and wanna drop them here to share. Performance: Making a Fast Framework Even Faster — Ben Schwarz says that Next.js But performance isn’t something that can be left entirely to a framework. You have to do work.

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Performance Cache Best Practices Strategy 69

Scalegrid

MAY 11, 2024

This allowed for sequential access and indexed access, but random writes could cause performance issues. Choosing the appropriate storage engine can have a significant impact on application performance. Choosing the right storage engine is crucial for application performance as each engine has its own strengths and weaknesses.

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Storage Engineering Cache Database 130

High Scalability

FEBRUARY 17, 2021

This article is to simply report the YCSB bench test results in detail for five NoSQL databases namely Redis, MongoDB, Couchbase, Yugabyte and BangDB and compare the result side by side. I have also used the default six test scenarios as defined by the YCSB framework. I have restricted it to 10M records for each test.

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Benchmarking Latency C++ Database 308

The Netflix TechBlog

MAY 19, 2023

Netflix application identities are fundamentally attribute based: e.g. an instance of the Data Processor runs in eu-west-1 in the test environment with a public shard. Over time, each node caches a subset of subproblems to support a distributed cache, reduce the datastore load, and achieve SpiceDB’s horizontal scalability.

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Cache Google Open Source Systems 252

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 107

Cache Hardware Servers Benchmarking 107

Alex Russell

DECEMBER 18, 2022

2023 Content Targets Desktop Devices Networks Mobile Devices Networks Developing Your Own Targets The Performance Inequality Gap is Growing. Last month, I had the honour of joining what seemed like the entire web performance community at performance.now() in Amsterdam. This is an ethical crisis for the frontend. 2023 Content Targets #.

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Performance Mobile Network Latency 120

CSS - Tricks

MAY 24, 2021

Making GitHub’s new homepage fast and performant — Tobias Ahlin describes how the scrolling effects are done more performantly thanks to IntersectionObserver and the fact that it avoids the use of methods that trigger reflows , like getBoundingClientRect. The post Links on Performance appeared first on CSS-Tricks.

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Performance Website Cache Internet 78

SQL Performance

SEPTEMBER 25, 2019

Performance spools are lazy spools added by the optimizer to reduce the estimated cost of the inner side of nested loops joins. An example plan shape showing a lazy table performance spool is below: The questions I set out to answer in this article are why, how, and when the query optimizer introduces each type of performance spool.

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Performance Cache Servers Education 104

Percona

MAY 1, 2023

In this blog post, we will delve into the world of PostgreSQL performance tuning and establish some basic guidelines for setting database parameters to enhance the performance of your PostgreSQL database, based on the workload. What is PostgreSQL performance tuning? Why is PostgreSQL performance tuning important?

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Tuning Database Efficiency Performance 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.

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Performance Network Cache Metrics 127

Dynatrace

JANUARY 16, 2023

The study analyzes factual Kubernetes production data from thousands of organizations worldwide that are using the Dynatrace Software Intelligence Platform to keep their Kubernetes clusters secure, healthy, and high performing. The report also reveals the leading programming languages practitioners use for application workloads.

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Open Source Java Operating System Programming 351

The Netflix TechBlog

JUNE 4, 2019

Because microprocessors are so fast, computer architecture design has evolved towards adding various levels of caching between compute units and the main memory, in order to hide the latency of bringing the bits to the brains. CFS is widely used and therefore well tested and Linux machines around the world run with reasonable performance.

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Cache Latency Airlines Logistics 256

Percona

APRIL 6, 2023

One of the key benefits of using PostgreSQL is its reliability, scalability, and performance. However, as the size of your database grows, it can become challenging to manage and optimize its performance. Pgpool-II is a powerful tool that can help you manage and optimize the performance of your PostgreSQL database cluster.

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Cache Open Source Benchmarking Database 119

The Netflix TechBlog

JULY 1, 2019

Development As part of developing this type of UI experience on any platform, we knew we would need to think about creating smooth, performant animations with a balance between quality and download size for the images and video previews, all without degrading the performance of the app. images no longer in the viewport).

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Cache Design Testing Development 166

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.

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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.

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Cache Latency Infrastructure Website 274

ACM Sigarch

DECEMBER 19, 2022

We assume a base multi-core processor four-way-issue load/store machine with 64-bit integer/address registers Rx, 128-bit (16-byte) data registers Vx, and an L1 D-cache that can do two operations per cycle, each reading or writing an aligned 16-byte memory word. Cache pollution is addressed in a section below.). Cache Underpinning.

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Design Systems Cache Network 145

Brendan Gregg

MARCH 16, 2024

I'm sure this delivered large performance improvements and I wouldn't try arguing against it. Only in extreme circumstances does the cost (in processor time and I-cache footprint) translate to a tangible benefit - circumstances which usually resort to hand-coded assembly anyway.

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Java Cache Google Hardware 137

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?

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Performance Testing Testing Performance Cache 49

Speed Curve

AUGUST 18, 2024

These include: Exciting new chart types for Core Web Vitals and User Happiness Filter RUM data by region Create a set of tests for one or multiple sites or custom URLs Test directly from your site settings when saving changes Usability improvements Better messaging for test failures And more! A whole lot more.

Cache 52

Cache Traffic Testing Network 52

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?

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Cache Database Games Healthcare 64

The Netflix TechBlog

SEPTEMBER 8, 2020

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. For the migration, testing was a first-class citizen. Replay Testing Enter replay testing.

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Latency Cache Java Traffic 238

Percona

OCTOBER 2, 2023

Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL, MariaDB, MongoDB, and PostgreSQL server and system tasks that are too difficult or complex to perform manually. Caches | 12.4G virtual = 2.2G

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Cache Database Virtualization Servers 104