Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Or even on a plane. Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

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. ecosystem was chosen for this new service deserves an article in and of itself. Background The Netflix Android app uses the falcor data model and query protocol.

Latency 233

Latency Cache Java Traffic 233

Smashing Magazine

SEPTEMBER 28, 2022

The resource loading waterfall is a cascade of files downloaded from the network server to the client to load your website from start to finish. Client Side Rendering, Server Side Rendering And Jamstack. To run it, you have to make another API call to the server and retrieve any data you want to load. Active Memory Caching.

Cache 125

Cache Performance Servers Social Media 125

Smashing Magazine

AUGUST 3, 2023

Time To First Byte (TTFB) This is the time it takes for the first piece of information from the server to reach the user’s browser. You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side.

Performance 74

Performance Cache Traffic Metrics 74

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. You can think of a DNS server as a phone book for the internet. A DNS server maintains a directory of domain names and translates them to IPs. So DNS services definitely go down!

Cache 134

Cache Website Internet Internet 134

SQL Performance

SEPTEMBER 17, 2019

Many database administrators find themselves having to support instances of SQL Server Reporting Services (SSRS), or at least the backend databases that are required for SSRS. This article will cover many areas that database administrators need to be aware of in order to properly license, recover, and tune a Reporting Services installation.

Tuning 67

Tuning Servers Database Best Practices 67

ACM Sigarch

MAY 31, 2023

This article lays out the ideas and discussions shared at the workshop. Memory disaggregation separates memory pools from traditional server boxes, enabling more flexible resource allocation and potentially reducing costs. even lowered the latency by introducing a multi-headed device that collapses switches and memory controllers.

Latency 52

Latency Hardware Cache Architecture 52

CSS - Tricks

APRIL 1, 2021

In that spirit, what we’re looking at in this article is focused more on the incremental wins and less on providing an exhaustive list or checklist of performance strategies. I’m going to audit the performance of my slow site before and after the things we tackle in this article. Compressing, minifying and caching assets.

Cache 92

Cache Social Media Media Website 92

The Netflix TechBlog

JULY 21, 2022

Problem Statement The purpose of this article is to give insights into analyzing and predicting “out of memory” or OOM kills on the Netflix App. device characteristics come from our on-field knowledge and runtime memory data comes from real-time user data pushed to our servers. This is because since the kill happens rarely (0.9%

Big Data 179

Big Data Cache Engineering Data Engineering 179

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Or even on a plane. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

OCTOBER 31, 2023

Answering Common Questions About Interpreting Page Speed Reports Answering Common Questions About Interpreting Page Speed Reports Geoff Graham 2023-10-31T16:00:00+00:00 2023-10-31T17:06:18+00:00 This article is sponsored by DebugBear Running a performance check on your site isn’t too terribly difficult. That’s what this article is about.

Speed 97

Speed Google Website Metrics 97

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. It used to provide an insight into how quickly the server outputs any data.

Performance 145

Performance Cache Media Metrics 145

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. This will help you increase system performance and avoid I/O environment errors.

Servers 40

Servers Cache Media Hardware 40

Percona

SEPTEMBER 1, 2023

This reduction in latency ensures that applications and websites provide a more rapid and responsive user experience. Reduced Resource Usage Optimizing resource-intensive queries and configurations can lead to a reduced burden on your server. A finely tuned database processes queries more efficiently, leading to swifter results.

Tuning 52

Tuning Database Performance Hardware 52

SQL Server According to Bob

JANUARY 11, 2020

Microsoft, ​​ Windows, ​​ Windows NT, ​​ and Windows Server ​​ are registered trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It used to provide an insight into how quickly the server outputs any data. What does it mean?

Performance 145

Performance Cache Network Metrics 145

SQL Performance

APRIL 27, 2020

Many of the newer features we have in SQL Server were initially launched in Azure SQL Database, including (but not limited to) Always Encrypted, Dynamic Data Masking, Row Level Security, and Query Store. There is a lot of awesome technology involved with Hyperscale in how it is architected to use SSD-based caches and page servers.

Azure 55

Azure Database Serverless Hardware 55

Dotcom-Montior

MARCH 6, 2022

To boost the bandwidth availability, the user should keep the images on a cloud server. The time captured by the server to produce a response. Moreover, caching utility may decrease the waiting time. Empty Cache (First View): The user access the website for the first time and has no cached data. Waiting time.

Performance 52

Performance Cache Website Speed 52

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Long FMP usually indicates JavaScript blocking the main thread, but could be related to back-end/server issues as well.

Performance 103

Performance Cache Metrics Network 103

Percona

JULY 17, 2023

First, some stage-setting for this blog article. Redis can handle a high volume of operations per second, making it useful for running applications that require low latency. An in-memory caching mechanism supports horizontal scaling, which enables it to handle large-scale applications and workloads effectively. It ranks No.

Open Source 77

Open Source Database Scalability Software 77

Dean Hume

APRIL 24, 2018

The title of this article might seem like clickbait - but bear with me. As data centers and volumes of servers have grown, so has the overall amount of electricity consumed around the world. Electricity used by servers doubled between 2000 and 2005 (and has continued growing ever since) from 12 billion to 23 billion kilowatt hours.

Energy 40

Energy Cache Traffic Website 40

Dean Hume

APRIL 24, 2018

The title of this article might seem like clickbait - but bear with me. As data centers and volumes of servers have grown, so has the overall amount of electricity consumed around the world. Electricity used by servers doubled between 2000 and 2005 (and has continued growing ever since) from 12 billion to 23 billion kilowatt hours.

Energy 40

Energy Cache Traffic Website 40

Dean Hume

APRIL 24, 2018

The title of this article might seem like clickbait - but bear with me. As data centers and volumes of servers have grown, so has the overall amount of electricity consumed around the world. Electricity used by servers doubled between 2000 and 2005 (and has continued growing ever since) from 12 billion to 23 billion kilowatt hours.

Energy 40

Energy Cache Traffic Website 40

Percona

APRIL 17, 2023

It is common to see a value of “ 0″ ( or sometimes “10” ) on database servers, telling the kernel to prefer to swap to memory for better response times. The swap issue is explained in the excellent article by Jeremy Cole at the Swap Insanity and NUMA Architecture. Two other schedulers are deadline and noop.

Best Practices 52

Best Practices Design Tuning Database 52

Dotcom-Montior

MAY 6, 2020

To boost the bandwidth availability, the user should keep the images on a cloud server. The time captured by the server to produce a response. Moreover, caching utility may decrease the waiting time. Slow server end. Empty Cache (First View): The user access the website for the first time and has no cached data.

Performance 53

Performance Cache Website Speed 53

Percona

MAY 15, 2023

One example could be using an RDBMS for most of the Online transaction processing ( OLTP) data shared by country and having the products as distributed memory cache with a different technology. In shard-nothing, each shard can live in a totally separate logical schema instance / physical database server/data center/continent.

Traffic 125

Traffic Scalability Database Servers 125

Smashing Magazine

APRIL 17, 2019

In this article we’ll take a look at the main types of Resource Hints and when and where we can use them in our pages. The browser caches the results of these lookups, but they can be slow. One step on from DNS prefetching is preconnecting to a server. We’ll go from the small and subtle hints through to the big guns at the end.

Performance 106

Performance Games Servers Cache 106

SQL Performance

APRIL 8, 2019

These AMD EPYC processors have a number of advantages for SQL Server workloads, as I will explain in this article. This 14nm first-generation AMD EPYC 7551 processor has 32 cores and 64 threads, and it works in one or two-socket servers. The L3 cache size is 64MB. The L3 cache size is 64MB. AMD EPYC 7551 Details.

Azure 42

Azure Virtualization Storage Benchmarking 42

CSS - Tricks

MAY 3, 2021

Linux; Android 6.0.1; Moto G (4)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Mobile Safari/537.36 PTST/210419.211328", "accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9", image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",

Transportation 86

Transportation Cache Google Mobile 86

Enprowess

SEPTEMBER 7, 2021

Software Developers got to use JavaScript CLI tools to create the back-end part of web applications or server-side. allows creating web application’s server-side or back-end components. If you wish to find out which one to choose for your next project, read this article. Back-ends and servers. Both Node.js and React.js

Open Source 52

Open Source Virtualization Programming Servers 52

Alex Russell

MARCH 6, 2021

A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. The fastest Androids predictably remain 18-24 months behind, owing to cheapskate choices about cache sizing by Qualcomm, Samsung Semi, and all the rest. The Moto G4 , for example.

Performance 124

Performance Network Cache Metrics 124

KeyCDN

SEPTEMBER 12, 2019

KeyCDN’s Cache Enabler plugin is fully compatible the HTML attributes that make images responsive. The main reason is because it decreases the latency to the user where they are located by serving your images from a POP physically closest to them. The Cache Enabler plugin then delivers WebP images based to supported browsers.

Social Media 106

Social Media Media Google Website 106

Highly Scalable

SEPTEMBER 18, 2012

In this article I’m trying to provide more or less systematic description of techniques related to distributed operations in NoSQL databases. In the rest of this article we study a number of distributed activities like replication of failure detection that could happen in a database. Read/Write latency. Data Placement.

Database 213

Database Latency C++ Scalability 213

Alex Russell

OCTOBER 22, 2017

Late-loading JavaScript can cause “server-side rendered” pages to fail in infuriating ways. The server sends it as a stream of bytes and when the browser encounters each of the sub-resources referenced in the document, it requests them. For a timely introduction, I recommended Kevin Schaaf’s recent talk.

Performance 68

Performance Benchmarking Network Mobile 68

HammerDB

NOVEMBER 5, 2018

If you are new to running Oracle, SQL Server, MySQL and PostgreSQL TPC-C workloads with HammerDB and have needed to investigate I/O performance the chances are that you have experienced waits on writing to the Redo, Transaction Log or WAL depending on the database you are testing. SQL Server DELAYED_DURABILITY. Logging Waits.

Benchmarking 40

Benchmarking Database C++ Virtualization 40

Smashing Magazine

AUGUST 22, 2021

HTTP/3 performance features ( current article ). Because we are dealing with network protocols here, we will mainly look at network aspects, of which two are most important: latency and bandwidth. Latency can be roughly defined as the time it takes to send a packet from point A (say, the client) to point B (the server).

Performance 105

Performance Network Latency Servers 105

Smashing Magazine

SEPTEMBER 24, 2021

Over those years, we have seen the technology stack evolve from server-rendered pages with some minor JavaScript and CSS to full-blown JavaScript applications. Although mixing the concepts of a server web framework like ASP.NET with a client-side web framework like React made things more complicated, we were quite happy with the solution.

Website 113

Website Code Servers Analytics 113