Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person!

Performance 52

Performance Latency Cache Virtualization 52

Dynatrace

OCTOBER 28, 2021

As software performance degrades or fails, the chaos engineers’ findings enable developers to add resiliency into the code, so the application remains intact in an emergency. Chaos engineering matured at organizations such as Netflix, and gave rise to technologies such as Gremlin (2016) , becoming more targeted and knowledge-based.

Engineering 225

Engineering Entertainment Cloud Infrastructure 225

Rigor

JANUARY 13, 2020

Reading time 1 min Why share the library of the web performance books while there’s a substantial collection of fantastic websites and articles on the net? High Performance Browser Networking. This book is about performance problems and the various technologies created to fight them. High Performance Websites.

Performance 75

Performance Social Media Website Website Performance 75

Dynatrace

AUGUST 10, 2019

Having the ability to monitor the performance and availability of your organization’s internal applications—in addition to your organization’s customer-facing applications—from within your corporate network is an important benefit of synthetic monitoring. Windows 2016 Server (or a supported Linux distribution ).

Monitoring 103

Monitoring Hardware Tuning Mobile 103

Alex Russell

MAY 9, 2022

Despite advances in browser tooling , automated evaluation , lab tools , guidance , and runtimes , however, teams struggle to deliver even decent performance with today's popular frameworks. What is Performance? It may seem a silly question, but what is performance, exactly?

Performance 86

Performance Latency Metrics Engineering 86

Percona

APRIL 12, 2023

Whereas many open source software offerings — like the community version of MySQL — use the GNU General Public License ( GPL ), MongoDB has been under the GNU Affero General Public License ( AGPL ) and more recently under the Server Side Public License ( SSPL ), introduced by MongoDB itself. ” Nothing nefarious there.

Open Source 85

Open Source Programming Database Servers 85

Percona

SEPTEMBER 19, 2023

29 will let you set up redo log directory while performing a backup. This issue most often occurs when there is significant MySQL server activity during the backup operation, and the redo log file storage media operates faster than the backup storage media. Copyright (c) 2016, 2023, Oracle and/or its affiliates.

C++ 110

C++ Servers Storage Speed 110

Smashing Magazine

JANUARY 15, 2019

How Improving Website Performance Can Help Save The Planet. How Improving Website Performance Can Help Save The Planet. So, apart from powering servers with renewable energy, what else can web developers do about climate change? All of the major browsers provide developer tools that allow us to measure network activity.

Website Performance 73

Website Performance Website Energy Performance 73

SQL Server According to Bob

JULY 13, 2016

20+ years ago when I joined Microsoft I was handed a diskette (maybe it was two), and was told “Here is SQL Server. So I proceeded to install SQL Server 4.20 There was a GUI as part of setup but within just a few clicks, SQL Server was installed and ready for use. So now there are more choices to make when installing SQL Server.

Servers 40

Servers Media Engineering Virtualization 40

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

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. Performance budgets are set early in the life of the project. Budgets are scaled to a benchmark network & device.

Performance 68

Performance Benchmarking Network Mobile 68

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

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. As of 2016, Bucharest alone had a population of over 1.83

Internet 48

Internet Internet Ecommerce Speed 48

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. As of 2016, there were just over 5.1

Internet 48

Internet Internet Speed Network 48

Brendan Gregg

OCTOBER 8, 2018

bpftrace has most of DTrace's capabilities and more. ## bpftrace The prior work that led to [bpftrace] (aka BPFtrace) is discussed my earlier [DTrace for Linux 2016] post, which explains how the Linux kernel gained [eBPF]: the virtual machine that we're using to run tracing programs. bcc is powerful but laborious to program. eBPF does more.

C++ 110

C++ Virtualization Programming Latency 110

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

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. The screenshot below explains that page load time and lighthouse performance scores are not the same, yet they are really close to each other.

Cache 78

Cache Speed Google Website 78

SQL Performance

SEPTEMBER 2, 2021

SQL Server 2016 brought us STRING_SPLIT , a native function that eliminates the need for many of the custom solutions we’ve needed before. I’ve written several articles about this function (and STRING_AGG, which arrived in SQL Server 2017) since this post was written: Performance Surprises and Assumptions : STRING_SPLIT().

C++ 59

C++ Servers Testing Database 59

Brendan Gregg

SEPTEMBER 5, 2017

LTS (April 2016). I wrote about it in a previous post, [DTrace for Linux 2016]. I wrote a page on it: [perf]. - **eBPF**: tracing features completed in 2016, this provides efficient programmatic tracing to existing kernel frameworks. The hardest part on Linux is now done: kernel support. It's the official profiler.

Virtualization 76

Virtualization AWS Engineering Hardware 76

Rigor

MARCH 20, 2018

I recently was asked the following question by an online retailer: “Why should I invest in monitoring the user experience when I already have monitoring for our database, infrastructure, app server, and network?”. Instead of asking that question, I asked them this: “Are you a network or hosting provider?

Monitoring 40

Monitoring Retail Ecommerce Infrastructure 40

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. De-duplication can prevent multiple copies on disk, but we're out of luck on reducing network costs. None of this holds.

Cache 82

Cache Government Traffic Network 82

Rigor

JULY 2, 2019

Either way, redirection increases the amount of time it takes for your site to render, and you should minimize its use to optimize page performance. Redirection increases the amount of time it takes for your site to render, and you should minimize its use to optimize page performance. webperf #perfmatters Click To Tweet.

Mobile 60

Mobile Traffic Google Latency 60

Rigor

SEPTEMBER 3, 2019

What you may be overlooking is that peak-event readiness is about more than just load testing or ensuring that your servers are up throughout a specific timeframe. How are you monitoring end-user performance today? Rigor’s free performance report. STEP 2: Use Synthetic Monitoring to Baseline Your Current Performance.

Website 74

Website Cache Ecommerce Traffic 74

Brendan Gregg

OCTOBER 7, 2018

bpftrace has most of DTrace's capabilities and more. ## bpftrace The prior work that led to [bpftrace] (aka BPFtrace) is discussed my earlier [DTrace for Linux 2016] post, which explains how the Linux kernel gained [eBPF]: the virtual machine that we're using to run tracing programs. bcc is powerful but laborious to program. eBPF does more.

C++ 40

C++ Virtualization Programming Latency 40

Scalegrid

AUGUST 15, 2019

In 2014, we discussed 4 of the top MongoDB GUIs: MongoVue, MongoHub, RockMongo, and Robo 3T (formerly Robomongo), and again in 2016: MongoDB Compass, Robo 3T, Studio 3T, and MongoBooster. Should have an excellent way to measure server and query performance. Import data from RDBMS like MySQL, PostgreSQL, and SQL Server.

Database 40

Database Servers Monitoring Availability 40

Smashing Magazine

JUNE 26, 2019

Developers are already optimizing front end performance with: Fast web hosting. In this case, my website is “slow”, even when served on 4G networks. After all, Opens Sans is a Google Font that has to be served from Google’s servers. When served from a local server, Open Sans took 0.530 milliseconds to load. Minification.

Website 110

Website Speed Mobile Design 110

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

Percona

JANUARY 14, 2019

Public API as -a-service has become a good business model: examples include social networks like Facebook/Twitter, messaging as a service like Twilio, and even credit card authorization platforms like Marqeta. With the latest ClickHouse version, all of these features are available, but some of them may not perform fast enough.

Database 40

Database Analytics Blockchain Healthcare 40

Smashing Magazine

OCTOBER 26, 2018

In recent years, the industry thankfully started paying more attention to performance. As a result, website performance can suffer. Improving performance with the decoupled JSON approach. on December 6th, 2016. Improving Performance With The Decoupled JSON Approach. Working with the default WordPress REST API.

Cache 78

Cache Website Speed Database 78

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. without web app servers?—?to to a massively distributed CDN network a possibility. But this year?

Serverless 40

Serverless Lambda AWS Traffic 40

High Scalability

AUGUST 8, 2018

Niantic launched Pokémon GO in the summer of 2016. As shown in Figure 11-5, when it launched, Pokémon GO used Google’s regional Network Load Balancer (NLB) to load-balance ingress traffic across a Kubernetes cluster. Figure 11-5. Pokémon GO (pre-GCLB).

Google 130

Google Games Entertainment Cloud 130

All Things Distributed

DECEMBER 13, 2016

In just this past month we've had HSBC , ARM , Missguided , and most recently at re:Invent 2016 , Trainline , talking with us about how they are using AWS to transform and scale their businesses. Real-time monitoring and evaluation of events have led to a positive impact on performance or operations.

AWS 166

AWS Cloud Artificial Intelligence IoT 166

Smashing Magazine

JULY 6, 2021

With Luminary’s 21 years of experience in the digital space, my experience of 17 years in the CMS space as well as our focus on Headless since 2016, here are my two cents on what you should look out for. But beware of circular references to content which could cause headaches and performance issues. Microservices architecture.

Cache 143

Cache Website Mobile Google 143