Brendan Gregg

SEPTEMBER 5, 2017

Here's some output from my zfsdist tool, in bcc/BPF, which measures ZFS latency as a histogram on Linux: # zfsdist. Tracing ZFS operation latency. Oracle VM Server is based on Xen. Many new tools can now be written, and the main toolkit we're working on is [bcc]. Hit Ctrl-C to end. ^C

Virtualization 76

Virtualization AWS Engineering Hardware 76

KeyCDN

JANUARY 31, 2019

Today we’re excited to announce that we’ve launched yet another POP location to help further supercharge our network’s content delivery speeds. With Bucharest being the capital and largest city of Romania, it makes for a great edge server location. Our newest point of presence has been launched in Bucharest, Romania!

Internet 48

Internet Internet Ecommerce Speed 48

Alex Russell

MARCH 6, 2021

TL;DR: A lot has changed since 2017 when we last estimated a global baseline resource per-page resource budget of 130-170KiB. To update our global baseline from 2017, we want to update our priors on a few dimensions: The evolved device landscape. The Moto G4 , for example. Here begins our 2021 adventure. Hard Reset.

Performance 124

Performance Network Cache Metrics 124

All Things Distributed

NOVEMBER 13, 2018

Since then, AWS has added another PoP in Palermo in 2017. Some of the largest enterprises and public sector organizations in Italy are using AWS to build innovations and power their businesses, drive cost savings, accelerate innovation, and speed time-to-market. ENEL is one of the leading energy operators in the world.

AWS 167

AWS Energy Automotive Traffic 167

KeyCDN

OCTOBER 24, 2018

Today we’re excited to announce that we’ve launched yet another POP location to help further supercharge our network’s content delivery speeds. With Helsinki being the capital and most populous municipality of Finland, it makes for a great edge server location. of the population were Internet users.

Internet 48

Internet Internet Speed Network 48

SQL Performance

APRIL 8, 2019

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. These AMD EPYC processors have a number of advantages for SQL Server workloads, as I will explain in this article. Since then, Microsoft has changed the naming of this series to Lsv2.

Azure 42

Azure Virtualization Storage Benchmarking 42

CSS - Tricks

APRIL 1, 2021

A 2017 study by Akamai says as much when it found that even a 100ms delay in page load can decrease conversions by 7% and lose 1% of their sales for every 100ms it takes for their site to load which, at the time of the study, was equivalent to $1.6 Speed is also something Google considers when ranking your website placement on mobile.

Cache 92

Cache Social Media Media Website 92

KeyCDN

JUNE 20, 2019

According to Monetate , the following conversion rate results were gathered for Q3 of 2017 until Q3 of 2018. The lower conversion rate on mobile could be due to a variety of reasons including the website not being responsive for mobile devices, the speed isn’t up to par, etc. There are many ways to speed up a slow website.

Ecommerce 41

Ecommerce Speed Website Mobile 41

Brendan Gregg

AUGUST 8, 2017

Thankfully, I found some older linux-devel mailing list archives, rescued from server backups, often stored as tarballs of digests. Anyway, the following patch seems to make the load average much more consistent WRT the subjective speed of the system. It's time in some cgroup paths, but this server is not doing much disk I/O.

Latency 111

Latency Metrics C++ Systems 111

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? Start Render time, Speed Index ). Rendering metrics provide an estimate of how fast content renders (e.g.

Performance 103

Performance Cache Metrics Network 103

Alex Russell

OCTOBER 22, 2017

— Alex Russell (@slightlylate) October 4, 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. Global Ground-Truth.

Performance 68

Performance Benchmarking Network Mobile 68

Alex Russell

FEBRUARY 3, 2023

They understood that most websites lack tight latency budgeting, dedicated performance teams, hawkish management reviews, ship gates to prevent regressions, and end-to-end measurements of critical user journeys. "Server-Side Rendering", a.k.a. "SSR" " [ an intro to "isomorphic javascript", a.k.a. "Server-Side

Social Media 119

Social Media Website Technology Technology 119

All Things Distributed

OCTOBER 2, 2017

In support of Amazon Prime Day 2017, the biggest day in Amazon retail history, DynamoDB served over 12.9 percent availability in the event of a server, a rack of servers, or an Availability Zone failure. Performant – DynamoDB consistently delivers single-digit millisecond latencies even as your traffic volume increases.

Internet 128

Internet Internet AWS Performance 128