All Things Distributed

OCTOBER 2, 2017

We were pushing the limits of what was a leading commercial database at the time and were unable to sustain the availability, scalability and performance needs that our growing Amazon business demanded. In support of Amazon Prime Day 2017, the biggest day in Amazon retail history, DynamoDB served over 12.9 million requests per second.

Internet 113

Internet Internet AWS Performance 113

Brendan Gregg

SEPTEMBER 5, 2017

What follows are topics that may be of interest to anyone looking to migrate their systems and skillset: scan these to find topics that interest you. ## ZFS ZFS is available for Linux via the [zfsonlinux] and [OpenZFS] projects, and more recently was included in Canonical's Ubuntu Linux distribution: Ubuntu Xenial 16.04 LTS (April 2016).

Virtualization 75

Virtualization AWS Engineering Hardware 75

IO River

NOVEMBER 2, 2023

What is 5 Nines Availability?In However, consumers often prioritize availability in many systems. Furthermore, there are many recognized standards to measure the availability of a service or system, and the most common one is to measure it as a percentage."Five This level of availability equates to only about 5.26

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

What is 5 Nines Availability?In However, consumers often prioritize availability in many systems. Furthermore, there are many recognized standards to measure the availability of a service or system, and the most common one is to measure it as a percentage."Five This level of availability equates to only about 5.26

Availability 52

Availability Social Media Traffic Games 52

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. Modern network performance and availability. The Moto G4 , for example. Hard Reset.

Performance 127

Performance Network Metrics Cache 127

The Symphonia

DECEMBER 6, 2017

Traffic shaping / canary deployment was pre-announced at Serverless Conf NYC in October, and this is now available. Like Lambda, API Gateway now supports canary deployment / traffic shaping. there’s no inline debugging available in the Lambda Console.) We plan to test this out when we get the chance. We’re the experts!

Serverless 40

Serverless Lambda AWS Traffic 40

Scalegrid

AUGUST 27, 2024

They utilize a routing key mechanism that ensures precise navigation paths for message traffic. Task Distribution in Web Servers In web applications experiencing high traffic levels, it is crucial to allocate tasks effectively to avoid overwhelming the servers. RabbitMQ in Action. Manning Publications. Ayan, E., & Marchioni, F.

IoT 130

IoT Ecommerce Games Scalability 130

Randon ASCII

AUGUST 26, 2018

In April 2017 I gave myself the challenge of commuting to work using a different method every workday for a month – twenty ways in twenty days! It was great fun and it also served as a joyous celebration of the many ways to make commuting more fun than sitting alone in traffic. KBCS radio interview about Commute Challenge 2017.

Transportation 58

Transportation Media Traffic Availability 58

Percona

SEPTEMBER 1, 2023

This blog was originally published in October 2017 and was updated in September 2023. To address these challenges, architects must design robust and scalable MongoDB databases and adopt appropriate sharding strategies that can efficiently handle increasing workloads while ensuring continuous availability. What is sharding in MongoDB?

Best Practices 76

Best Practices Traffic Database Servers 76

Smashing Magazine

DECEMBER 7, 2023

The fact that INP is already available in performance reports means we have an opportunity to familiarize ourselves with it today, in advance of its release. In other words, the data is not looking at your actual web traffic but a simulated environment that gives you an approximate view of traffic when certain conditions are in place.

Traffic 98

Traffic Metrics Google Monitoring 98

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. Checking those available: $ cat /sys/devices/system/clocksource/clocksource0/available_clocksource.

Speed 103

Speed Java AWS Virtualization 103

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. A later version of the slides is included in my Microservices Workshop deck from later that year, slides 168–200 ( pdf , keynote are available in GitHub.com/adrianco/slides ).

Lambda 98

Lambda Latency Cache C++ 98

Alex Russell

MARCH 31, 2022

The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Removal also creates a performance cliff for content that assumes cache availability. One available proxy is the distribution of use from Google's hosted JS libraries. None of this holds. Thar be dragons.

Cache 89

Cache Government Traffic Network 89

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. Giving priority to mobile website testing does not mean that you have to perform testing on all ‘categories’ of mobile phones available in the market. Mobile Device Compatibility.

Website 98

Website Mobile Testing Strategy 98

Testsigma

JANUARY 13, 2021

Studies show that in 2017, the worldwide failure rate of iOS apps was as high as 54%, with Android apps crashing 10% of the time. Trying to support every version available will only lead to diminishing returns that hurt your company’s profit margins. Load testing to prevent app crashes during high-traffic situations 8.

Mobile 54

Mobile Strategy Testing Efficiency 54

Smashing Magazine

AUGUST 10, 2023

Even with all of the available tools at my disposal, I still find myself reaching for several of them. The report, released in 2017, provides network data from sessions collected from real Chrome users. Lighthouse results. Certain tools are designed for certain metrics with certain assumptions that produce certain results.

Speed 82

Speed Monitoring Testing Network 82

Enprowess

JANUARY 12, 2022

According to Ericsson’s analysis, international mobile data traffic is projected to become 4.5 Twitter Lite PWA : It was integrated as the standard User Interface in 2017. 24*7 Availability : Chatbots are available 24×7 and can respond to your customer’s queries as fast as possible. Pinterest PWA: Pins increased by 401%.

Blockchain 59

Blockchain IoT Development Serverless 59

Percona

AUGUST 15, 2023

This blog was originally published in February 2017 and was updated in August 2023. MySQL replication provides high availability, load balancing, and data redundancy, enhancing system reliability. Replication also provides for data availability by enabling failover to a replica in case the primary server becomes unavailable.

Servers 52

Servers Database Availability Traffic 52

Alex Russell

OCTOBER 22, 2017

— Alex Russell (@slightlylate) October 4, 2017. If our example document wasn’t reliant on JavaScript to construct the <my-app> custom element, the contents of the document would likely be interactive as soon as enough CSS and content was available to render meaningfully. Maybe "ambush by JS"? First Load.

Performance 74

Performance Network Benchmarking Mobile 74

Speed Curve

OCTOBER 25, 2023

I joined the team in early 2017, and I'm blown away at how quickly the years have flown by. But Vitals have some limitations, such as: They're only available in Chromium-based browsers. You can prioritize them by how many URLs they affect or how much of your real user traffic they affect. We're officially in our tweens!

Benchmarking 66

Benchmarking Metrics Website Testing 66

Smashing Magazine

JULY 29, 2019

It accounts for 1.42% of global traffic as of June 2019, according to caniuse.com. Unfortunately, Opera Mini is no longer available on iOS in the UK. Turbo mode is currently only available on Opera for Android. Lite mode shares the HTTPS URL with Google, therefore it makes sense that this mode isn’t available in Incognito.

Cache 97

Cache Mobile Google Network 97

Brendan Gregg

SEPTEMBER 25, 2021

Since instances of both CentOS and Ubuntu were running in parallel, I could collect flame graphs at the same time (same time-of-day traffic mix) and compare them side by side. CPU profile Understanding a CPU time should be easy by comparing [CPU flame graphs]. The CentOS flame graph: The Ubuntu flame graph: Darn, they didn't work.

Speed 40

Speed Java AWS Virtualization 40

SQL Server According to Bob

DECEMBER 18, 2018

Durability is a cornerstone of any database system and starting with SQL Server 2017 on Linux Cumulative Update 6 (CU6), SQL Server on Linux enables “Forced Flush” behavior as described in this article , improving durability on non-Fua optimized systems. “Be Filesystem Type 1K-blocks Used Available Use% Mounted on. 4 Socket, TPCC.

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

JANUARY 21, 2021

After the latest redesign in late 2017, it was Ilya Pukhalski on the JavaScript side of things (part-time), Michael Riethmueller on the CSS side of things (a few hours a week), and yours truly, playing mind games with critical CSS and trying to juggle a few too many things. Moving From Automated Critical CSS Back To Manual Critical CSS.

Performance 111

Performance Cache Mobile Network 111

Smashing Magazine

JANUARY 7, 2019

Time to Interactive (TTI) The point at which layout has stabilized, key webfonts are visible, and the main thread is available enough to handle user input — basically the time mark when a user can interact with the UI. Still, it’s not that difficult , and its support is coming, e.g. it’s available since Apache 2.4.26.

Performance 105

Performance Cache Metrics Network 105