Dynatrace

MAY 6, 2021

Improved performance of Licensing and Environments overview page for clusters running dozens of environments. Linux: Amazon Linux AMI 2017.x. On the “Network overview” page, `Host group` filter suggestions are now properly displayed when a management zone is selected. See Update Dynatrace Managed topic.

Operating System 227

Operating System AWS Metrics Storage 227

The Netflix TechBlog

MAY 1, 2019

In late 2017, we received some critical feedback from the brothers on the Stranger Things 2 audio mix: in some scenes, there was a reduced sense of where sounds are located in the 5.1-channel This approach selects the audio bitrate based on network conditions at the start of playback. Media is provided in several qualities.

Engineering 274

Engineering Network Media Entertainment 274

All Things Distributed

MAY 19, 2017

In many, high-throughput, OLTP style applications the database plays a crucial role to achieve scale, reliability, high-performance and cost efficiency. We believe the central constraint in high throughput data processing has moved from compute and storage to the network.

Database 117

Database Design Cloud Storage 117

ACM Sigarch

APRIL 26, 2018

APU: Accelerated Processing Unit is the AMD’s Fusion architecture that integrates both CPU and GPU on the same die. BPU: Brain Processing Unit is the design of the AI chips by Horizon Robotics. They unveiled their first two embedded AI chips fabricated with TSMC 40nm process in December 2017: “Journey 1.0

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Brendan Gregg

OCTOBER 28, 2017

For my first trip to Paris I gave the closing keynote at [EuroBSDcon 2017] on performance methodologies, using FreeBSD 11.1 EuroBSDcon 2017]: [link] [thread state analysis]: [link] [tstates.d]: [link] as an analysis target. It was a few days of work, which is really not bad. Tracing scheduler events. Ctrl-C to end. ^C

Systems 52

Systems Performance C++ Operating System 52

Tim Kadlec

JUNE 21, 2022

HTTP/3 work started in 2012 with Google working on QUIC, adopted by IETF in 2017, RFC’s published in June 2022. The TLS + QUIC layer makes UDP safer to use, but a lot of networks will likely still block for awhile. The RSVP problem: HTTP/3 might be blocked on the network or may not be enabled on the server. What and Why?

Network 64

Network Mobile Google Cache 64

Rigor

SEPTEMBER 11, 2019

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rick Byers.

Performance 89

Performance Education Google Website 89

Percona

APRIL 12, 2023

2017: MongoDB goes public, trading as MDB. and partners) and in the process, stifling the upstarts, the truly open source little folks dreaming big. We are really pleased with our Q1 performance and see it as continued validation of the massive market we are pursuing, our strong product market fit, and our ability to execute.”

Open Source 83

Open Source Programming Database Servers 83

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. Globally, consumers are preferring their mobile phones for performing activities (e.g. In this blog, we deep dive into the various aspects of mobile website testing, including the tools that can accelerate the testing process.

Website 98

Website Mobile Testing Strategy 98

Dotcom-Montior

JUNE 25, 2020

A Content Delivery Network (CDN) is a network of servers that is placed in different locations across the globe. CDNs essentially act as the backbone for high speed internet content delivery and performance. This solution provides regular certificate expiry reminders by following the certificate monitoring process.

Monitoring 77

Monitoring Website Internet Internet 77

Brendan Gregg

JULY 14, 2019

BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability , coming soon from Addison Wesley. Since BPF does so many things, it is becoming a technology name and no longer an acronym. BPF is in the Linux kernel. ## Why Your Book?

Systems 40

Systems Performance Education Technology 40

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. What business processes help with testing mobile apps ? Not only will this help speed track the testing process, it will also help make the objectives clearer.

Mobile 54

Mobile Strategy Testing Efficiency 54

Tasktop

JANUARY 27, 2021

Value Stream Networks. As detailed in Mik’s bestselling book Project to Product , in 2017 Mik was invited by René to BMW’s state-of-the-art Leipzig plant in Germany. Understanding how to create and connect a Value Stream Network, we must first understand the ground truth of enterprise IT tool networks.

Code 52

Code Automotive Government Network 52

SQL Performance

SEPTEMBER 17, 2019

For years SSRS was bundled with the installation of SQL Server, which helped add to some of the confusion around licensing and support for the product, so beginning with SSRS 2017, the installation package for Reporting Services is a separate download. You technically only need to back up one copy of the symmetric key. General Tuning.

Tuning 67

Tuning Servers Database Best Practices 67

MachMetrics

FEBRUARY 7, 2019

“1 out of 5 online shoppers will abandon their cart because the transaction process was too slow.” ” Look put these stats on some numbers: Effect on Sale: 79% of customers who report dissatisfaction with website performance are less likely to buy from that same site again. Growing use of mobile.

Speed 93

Speed Website Performance Website Mobile 93

Brendan Gregg

NOVEMBER 29, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance.

Virtualization 111

Virtualization AWS Hardware Storage 111

The Morning Paper

JUNE 6, 2019

The bulk of the paper is about the practicalities of running these algorithms at scale across a large fleet of devices: managing device availability, coordinating activity over unreliable networks and devices, building and deploying training workflows, and troubleshooting when things go wrong. Federated Averaging. ” Secure Aggregation.

Systems 71

Systems Design Google Servers 71

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. The usual caveats also apply: Performance is a deep and nuanced domain, and much can go wrong beyond content size and composition. How sites manage resources after-load can have a big impact on perceived performance.

Performance 90

Performance Network Mobile Speed 90

Alex Russell

DECEMBER 18, 2022

TL;DR : To serve users at the 75 th percentile ( P75 ) of devices and networks, we can now afford ~150KiB of HTML/CSS/fonts and ~300-350KiB of JavaScript (gzipped). This is a slight improvement on last year's budgets , thanks to device and network improvements. Networks #. This is an ethical crisis for the frontend.

Performance 113

Performance Network Mobile Latency 113

The Netflix TechBlog

DECEMBER 23, 2020

Titus is a multi-tenant system, allowing multiple teams and users to run workloads on the system, and ensuring they can all co-exist while still providing guarantees about security and performance. In addition to the default Docker namespaces (mount, network, UTS, IPC, and PID), we employ user namespaces for added layers of isolation.

Media 286

Media Metrics Systems Processing 286

Brendan Gregg

NOVEMBER 28, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance.

Virtualization 40

Virtualization AWS Hardware Storage 40

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. 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.

Performance 124

Performance Network Cache Metrics 124

Brendan Gregg

SEPTEMBER 5, 2017

There's also a ZFS send/recv code path that should try to use the TASK_INTERRUPTIBLE flag (as suggested by a coworker), to avoid a kernel hang (can't kill -9 the process). On Linux, containers are a combination of namespaces (restricting what a process sees) and cgroups (similar to Solaris resource controls).

Virtualization 76

Virtualization AWS Engineering Hardware 76

Smashing Magazine

AUGUST 10, 2023

Large preview ) I don’t know about you, but it often feels like I’m missing something when measuring page speed performance. Not the best way to get a high-level view of performance. I’ve had time to work with DebugBear and thought I’d give you a peek at it with some notes on my experience using it to monitor performance.

Speed 81

Speed Monitoring Testing Network 81

O'Reilly

FEBRUARY 18, 2020

Up until 2017, the ML+AI topic had been amongst the fastest growing topics on the platform. After several years of steady climbing—and after outstripping Java in 2017—Python-related interactions now comprise almost 10% of all usage. Not necessarily: Java-related searches increased by 5% between 2017 and 2018. Coincidence?

Software Architecture 134

Software Architecture DevOps Data Engineering Architecture 134

Smashing Magazine

DECEMBER 7, 2023

If you’re reading this before March 2024 and fire up your favorite performance monitoring tool, you’re going to to get a Core Web Vitals report like this one pulled from PageSpeed Insights: ( Large preview ) You’re likely used to seeing most of these metrics. INP will officially replace FID when it becomes an official Core Web Vital metric.

Traffic 94

Traffic Metrics Google Monitoring 94

IO River

NOVEMBER 2, 2023

Delta Air Lines experienced a severe system outage in 2017, resulting in flight cancellations and delays across their network. The company had to compensate customers for their losses, including reimbursement for flights, accommodation, and $135,000 over tarmac delays.What Is The Process For Calculating Availability?By

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

Delta Air Lines experienced a severe system outage in 2017, resulting in flight cancellations and delays across their network. The company had to compensate customers for their losses, including reimbursement for flights, accommodation, and $135,000 over tarmac delays.What Is The Process For Calculating Availability?By

Availability 52

Availability Social Media Traffic Games 52

The Symphonia

DECEMBER 6, 2017

Correspondingly, 3GB functions should see a 2x CPU performance improvement over 1.5GB Lambdas, but this is through doubling the number of cores the function has access to, rather than double the virtualized time-slices. We don’t recommend using this as a regular process for production use, but it might come in handy at development time.

Serverless 40

Serverless Lambda AWS Traffic 40

CSS - Tricks

APRIL 1, 2021

Site performance is potentially the most important metric. The better the performance, the better chance that users stay on a page, read content, make purchases, or just about whatever they need to do. Here’s the thing: performance is more than a one-off task. billion if the site slowed down by just one second. Lighthouse.

Cache 92

Cache Social Media Media Website 92

Dynatrace

OCTOBER 17, 2019

And with today’s increasing financial, availability, performance and innovation requirements meaning applications need to be geographically dispersed to constantly changing dynamic powerhouses, it has become simply not possible to provision, update, monitor and decommissions them by only leveraging manual processes.

Code 108

Code Infrastructure DevOps Serverless 108

Percona

AUGUST 15, 2023

This blog was originally published in February 2017 and was updated in August 2023. MySQL replication is a process in which data from a primary MySQL database is copied and sent to one or more secondary databases, known as replicas. Network Connectivity: Establish a reliable network connection between the primary and replica servers.

Servers 52

Servers Database Availability Traffic 52

The Netflix TechBlog

JANUARY 22, 2021

channel surround sound in 2010, Dolby Atmos in 2017 , and adaptive bitrate audio in 2019. As such, it is common to compute DRC parameters at encode-time, when processing power and lookahead is ample. By Phill Williams and Vijay Gondi Introduction At Netflix, we are passionate about delivering great audio to our members.

Programming 269

Programming Mobile Network Testing 269

Alex Russell

OCTOBER 22, 2017

TL;DR: performance budgets are an essential but under-appreciated part of product success and team health. We constrain ourselves to a real-world baseline device + network configuration to measure progress. — Alex Russell (@slightlylate) October 4, 2017. Performance budgets are set early in the life of the project.

Performance 68

Performance Benchmarking Network Mobile 68

Sutter's Mill

FEBRUARY 13, 2017

Tue-Thu Apr 25-27: High-Performance and Low-Latency C++ (Stockholm). On April 25-27, I’ll be in Stockholm (Kista) giving a three-day seminar on “High-Performance and Low-Latency C++.” If you’re interested in attending, please check out the links, and I look forward to meeting and re-meeting many of you there.

Latency 51

Latency C++ Hardware Performance 51

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. Performant – The service would need to be able to maintain consistent performance in the face of diverse customer workloads.

Internet 128

Internet Internet AWS Performance 128

Smashing Magazine

AUGUST 2, 2021

Before bringing up the refactoring proposal to the management and stakeholders, it can be useful to back up the suggestion with some hard data about the codebase health — not only to convince the management department, but also have a measurable goal for the refactoring process. Preparation And Planning.

Strategy 132

Strategy Testing Best Practices Code 132