Brendan Gregg

FEBRUARY 28, 2023

## References I've reproduced the references from my SREcon22 keynote below, so you can click on links: - [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] Jul 2008 - [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] 2010 - [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 103

Performance Latency Cache Google 103

MachMetrics

DECEMBER 14, 2019

As you know, there are many metrics that determine a website’s page speed, and we can’t look at just one of them to determine how performant our site is. By analyzing the data from Backlinko.com and their Page Speed Stats article, we’ll look to answer these questions: What size should be a website be?

Best Practices 105

Best Practices Speed Mobile Google 105

Jos

JUNE 17, 2017

Image taken from the Chrome 60 blog post , which first appeared in “Web Performance: Leveraging the Metrics that Most Affect User Experience” at Google I/O 2017. Up until now we have been measuring performance through other metrics, mostly using the Navigation Timing API , which is also what Google Analytics uses for their Site Speed report.

Google 130

Google Analytics Metrics Speed 130

The Netflix TechBlog

JULY 1, 2019

Some of the metrics we use to measure performance on the Netflix TV app include animation frames per second (FPS), key input responsiveness (the amount of time before a member’s key press renders a change in the UI), video playback speed, and app start-up time. those running the 2017 SDK?—?also

Cache 166

Cache Design Testing Development 166

MachMetrics

FEBRUARY 7, 2019

They get even MORE impatient when it comes to website speed. Conversion: 1 second delay means a 7% reduction in conversions Speed Affects Revenue: If your site makes $100,000/month, a one second improvement in page speed brings $7,000 month. “ The results were clear—speed matters! Want proof?

Speed 93

Speed Website Performance Website Mobile 93

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.

AWS 164

AWS Energy Automotive Traffic 164

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 127

Performance Network Mobile Metrics 127

Alex Russell

DECEMBER 18, 2022

The talks are up on YouTube , including my own (behind a paywall, but the slides are freely available [1] ): The talk, like this post, is an update on network and CPU realities this series has documented since 2017. Speeds will be much slower than advertised in many areas , particularly for rural users. 2023 Content Targets #.

Performance 120

Performance Mobile Network Latency 120

O'Reilly Software

AUGUST 23, 2018

Recently, we dove into our assessment data to discover—and quantify —trends in software development, each time comparing 2016 to 2017. Trend 1: The percentage of teams that do not automate deployment shrank from 26% in 2016 to 11% in 2017. Trend 4: More teams are enforcing full quality control (31% in 2017, up from 23% in 2016).

Software 73

Software Software Development Code 73

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. Many people often confuse site speed with page speed grades of performance testing tools, which are actually calculated based on multiple factors of a page including its loading speed. Daniel An, Google, 2017.

Cache 78

Cache Speed Google Website 78

The Symphonia

DECEMBER 6, 2017

That means that 3GB functions might not see a linear speed bump for primarily single threaded functions. Serverless at re:Invent 2017 was originally published in The Symphonium on Medium, where people are continuing the conversation by highlighting and responding to this story. We plan to test this out when we get the chance.

Serverless 40

Serverless Lambda AWS Traffic 40

Jos

JUNE 17, 2017

Image taken from the Chrome 60 blog post , which first appeared in “Web Performance: Leveraging the Metrics that Most Affect User Experience” at Google I/O 2017 Up until now we have been measuring performance through other metrics, mostly using the Navigation Timing API , which is also what Google Analytics uses for their Site Speed report.

Google 100

Google Analytics Metrics Speed 100

All Things Distributed

SEPTEMBER 25, 2017

2017 continues a busy year for AWS in the Middle East. They are also migrating 700 government websites, with more than 50 TB of data, onto AWS, helping them to meet their goal of decommissioning their hosting platform by the end of 2017. Back in January we opened offices in the region to serve our rapidly growing customer base.

Cloud 117

Cloud Education Energy Government 117

Tasktop

JANUARY 18, 2022

Offload your brain to code at the speed of thought” . I had been begging Mik to write a book for more than a decade, and he finally did over the course of 2017 and 2018. And what a book Mik authored. My hope for our 16th birthday is to celebrate with my fellow Tasktopians in person with cake and with smiles.

Open Source 98

Open Source Speed Games Software 98

Tim Kadlec

JANUARY 9, 2019

I recently profiled a page on a Pixel 2 (released in 2017), and an Alcatel 1x (released in 2018). Mbps download speed Jake Archibald mentioned his relative getting or the 0.8 Mbps download speed my in-laws get at their house. The two devices represent very different ends of the spectrum.

Performance 111

Performance Energy Internet Internet 111

Brendan Gregg

SEPTEMBER 25, 2021

Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? html [60s checklist]: /Articles/Netflix_Linux_Perf_Analysis_60s.pdf [re:Invent talk]: [link] [recommendation]: [link] [Nitro]: /blog/2017-11-29/aws-ec2-virtualization-2017.html Microbenchmark os::javaTimeMillis() on both systems.

Speed 40

Speed Java AWS Virtualization 40

All Things Distributed

DECEMBER 12, 2018

In April 2017, Amazon Web Services announced that it would launch a new AWS infrastructure region Region in Sweden. Today, I'm happy to announce that the AWS Europe (Stockholm) Region, our 20th Region globally, is now generally available for use by customers.

AWS 119

AWS Cloud Games Serverless 119

Brendan Gregg

JULY 4, 2021

## References I've reproduced the talk references below, so you can click on links: - [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] Jul 2008 - [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] 2010 - [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency? Ford, et al., “TCP

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

JULY 15, 2019

I learned firsthand how to bring beginners from different backgrounds up to speed. Although I'll submit a short version for USENIX LISA/SREcon.) ## bpftrace for the Win We (the BPF community) began planning this book in 2017, and posted an [announcement] about it so that anyone looking could find it.

Systems 111

Systems Performance Education Technology 111

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 In addition, DynamoDB Accelerator (DAX) a fully managed, highly available, in-memory cache further speeds up DynamoDB response times from milliseconds to microseconds and can continue to do so at millions of requests per second.

Internet 110

Internet Internet AWS Performance 110

Alex Russell

JANUARY 30, 2024

HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. India's speed test medians are moving quickly, but variance is orders-of-magnitude wide, with 5G penetration below 25% in the most populous areas.

Performance 98

Performance Network Mobile Speed 98

SQL Performance

SEPTEMBER 5, 2019

You can skip the WHERE clauses if you are running SQL Server 2017. OPTION ( MAXDOP 1 ) ; This time, only the COUNT_BIG aggregate achieves aggregate pushdown (SQL Server 2017 only). This is an optimization added at some point in SQL Server 2017 (my tests were run on CU16). Batch mode execution is all about speed.

Performance 81

Performance C++ Storage Servers 81

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. As for Romania, it covers an area of over 238,000 square kilometers and as of 2017 had a population of almost 20 million. million people. USD each online annually.

Internet 48

Internet Internet Ecommerce Speed 48

SQL Performance

FEBRUARY 3, 2020

Applying page or row compression (both online/offline) to the source before the affinitized copy (offline), to see if compressing the data first could speed up the destination. The downside to the latter is that, in SQL Server 2017, you cannot run this online… but you will be able to in 2019.

Speed 113

Speed Processing Servers Storage 113

Brendan Gregg

FEBRUARY 28, 2023

References I've reproduced the references from my SREcon22 keynote below, so you can click on links: [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] , Jul 2008 [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] , 2010 [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 52

Performance Latency Cache Google 52

Percona

AUGUST 4, 2023

in 2017; after that, major releases came every one to two years, with MariaDB 10.6 Both MariaDB and MySQL came to the conclusion they need LTS versions and releases which focus on the speed of Innovation at the same time. (It is worth noting that MariaDB 5.2 and MariaDB 5.3 existed, too, while there were no matching MySQL versions.)

Database 98

Database Servers Innovation Open Source 98

O'Reilly Software

DECEMBER 31, 0001

2020 Apr 6 Off by Two 2019 May 12 f() vs f(void) in C vs C++ 2019 Jan 18 Finding Compiler Bugs With C-Reduce 2018 Oct 24 Booting a Custom Linux Kernel in QEMU and Debugging It With GDB 2018 Jun 2 Speeding Up Linux Kernel Builds With ccache 2017 Sep 5 GCC vs LLVM Q3 2017 Commit Rates and Active Developer Counts 2017 May 31 Running Clang-Tidy (..)

C++ 40

C++ Speed Development 40

Percona

SEPTEMBER 1, 2023

This blog was originally published in October 2017 and was updated in September 2023. Depending on the database size and on disk speed, a backup/restore process might take hours or even days! Depending on the database size and on disk speed, a backup/restore process might take hours or even days!

Best Practices 98

Best Practices Traffic Database Servers 98

Alex Russell

JUNE 19, 2020

Perhaps there's a better solution, but I've been iterating on content and templates by firing up a linux terminal on my 2017 Pixelbook and starting the built-in 11ty filewatcher and browser sync tools. This monitors the filesystem and fully re-builds every time a file changes. So can we go faster?

Cache 55

Cache Hardware Speed Cloud 55

SQL Performance

AUGUST 27, 2019

TPC-H Benchmark Results with SQL Server 2017. HPE has already submitted a new official TPC-H result on SQL Server 2017 for a single-socket, HPE Proliant DL325 Gen10 1U server that was 743,750 QphH@1000GB. TPC-E Benchmark Results with SQL Server 2017. Higher memory speed and bandwidth. Higher memory density/capacity.

Servers 52

Servers Benchmarking Virtualization Architecture 52

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 94

Cache Social Media Media Website 94

Percona

DECEMBER 21, 2023

In the case of a query having an ORDER BY or GROUP BY and a LIMIT clause, the optimizer tries to choose an ordered index by default when it appears doing so would speed up the query execution. It uses an ordered index instead of an unordered index. Hopefully, MySQL will be adding this in the upcoming releases.

Efficiency 126

Efficiency Database Open Source Performance 126

Dotcom-Montior

JUNE 25, 2020

CDNs essentially act as the backbone for high speed internet content delivery and performance. Between June 2017 and 2018, the total number of SSL certificates increased by a record 13.2 A Content Delivery Network (CDN) is a network of servers that is placed in different locations across the globe. million certificates.

Monitoring 77

Monitoring Website Internet Internet 77

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. In terms of Internet speed, Finland ranks as one of the fastest countries in the world. According to Wikipedia , the average connection speed in Q1 of 2017 was 20.5Mbps.

Internet 48

Internet Internet Speed Network 48

SQL Performance

MARCH 17, 2020

It comes set to SQL Server 2008 compatibility (level 100), but we will start with a more modern setting of SQL Server 2017 (level 140): ALTER DATABASE StackOverflow2013 SET COMPATIBILITY_LEVEL = 140 ; The tests were performed on my laptop using SQL Server 2019 CU 2. It has 32GB RAM, with 24GB available to the SQL Server 2019 instance.

Servers 86

Servers Tuning Database Efficiency 86

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. Speed and Accuracy. As per April 2019 data of Statistica[1], the global mobile population accounted for 4 billion unique users. The daily media consumption on mobile devices has grown by 504 percent since 2011[2].

Website 98

Website Mobile Testing Strategy 98

Smashing Magazine

JULY 29, 2019

The speed of mobile networks, too, varies considerably between countries. Perhaps surprisingly, users experience faster speeds over a mobile network than WiFi in at least 30 countries worldwide, including Australia and France. South Korea has the fastest mobile download speed , averaging 52.4 per GB respectively. Mbps upload.

Cache 99

Cache Mobile Google Network 99