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 140

Performance Latency Hardware Storage 140

Dynatrace

APRIL 6, 2022

Endpoints include on-premises servers, Kubernetes infrastructure, cloud-hosted infrastructure and services, and open-source technologies. Observability can identify the baseline user experience and allow teams to improve it by optimizing page load times or reducing latency. Why full-stack observability matters.

DevOps 226

DevOps Innovation Infrastructure Analytics 226

Percona

NOVEMBER 3, 2023

In order to speed up the benchmark indexes must be added. Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community, in a single distribution, designed and tested to work together. psql pgbench <<_eof1_ qecho adding node citus3.

Database 102

Database Benchmarking Latency C++ 102

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

Percona

JULY 17, 2023

It’s a good setup for real-time analytics and high-speed logging. Not really open source : Even the MongoDB Community version is not open source; it’s source-available and is under the SSPL license (introduced by MongoDB itself). It manages unstructured data with thousands of writes every second.

Open Source 75

Open Source Database Scalability Software 75

Percona

JUNE 22, 2023

A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance. Query performance Query performance is a key performance indicator (KPI) in MySQL, as it measures the efficiency and speed of query execution.

Performance 102

Performance Monitoring Traffic Database 102

Dynatrace

MAY 17, 2023

OpenTelemetry , the open source observability tool, has become the go-to standard for instrumenting custom applications to collect observability telemetry data. This alone can already greatly help in identifying slow query hot spots and speed up your platform by making sure queries are optimized.

Metrics 166

Metrics Monitoring Database Network 166

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

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

The Netflix TechBlog

MARCH 13, 2020

SVT-AV1: open-source AV1 encoder and decoder by Andrey Norkin , Joel Sole , Mariana Afonso , Kyle Swanson, Agata Opalach , Anush Moorthy , Anne Aaron SVT-AV1 is an open-source AV1 codec implementation hosted on GitHub [link] under a BSD + patent license. Unit and e2e test have passed for this pull request What’s next?

Open Source 154

Open Source Efficiency C++ Speed 154

Percona

MARCH 23, 2023

Nowadays, solid-state drives (SSDs) or non-volatile memory express (NVMe) drives are preferred over traditional hard disk drives (HDDs) for database servers due to their faster read and write speeds, lower latency, and improved reliability. innodb_deadlock_detect (Dynamic) – This option can be used to disable deadlock detection.

Performance 124

Performance Hardware Tuning Storage 124

Speed Curve

MAY 1, 2023

If you've invested countless hours in speeding up your pages, but you're not using performance budgets to prevent regressions, you could be at risk of wasting all your efforts. INP logs the latency of all interactions throughout the entire page lifecycle. It's easier to make a fast website than it is to keep a website fast.

Performance 98

Performance Metrics Media Google 98

Smashing Magazine

AUGUST 3, 2023

Largest Contentful Paint (LCP) LCP measures the perceived load speed of a webpage from a user’s perspective. For Performance Monitoring Many of you reading this may already be familiar with Next.js, but it is a popular open-source JavaScript framework that allows us to monitor our website’s performance in real-time.

Performance 75

Performance Cache Traffic Metrics 75

Percona

JANUARY 24, 2023

There will be a considerable gain if we combine this with other sets of great improvements in WAL archiving in PostgreSQL 15, as discussed in previous posts New WAL Archive Module/Library in PostgreSQL 15 and Speed Up of the WAL Archiving in PostgreSQL 15. Download Percona Distribution for PostgreSQL Today!

Database 115

Database Benchmarking Open Source Latency 115

CSS - Tricks

JULY 25, 2019

In this article, we uncover how PageSpeed calculates it’s critical speed score. It’s no secret that speed has become a crucial factor in increasing revenue and lowering abandonment rates. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. Speed Index.

Google 71

Google Engineering Speed Mobile 71

Testsigma

DECEMBER 18, 2019

Complete test coverage should include scenarios on latency, speed, security, and usability. The tool is chosen just because it’s open-source. Nowadays, Open source tools are being widely accepted in the market. Open-source tools require you to be well versed with technical skills.

Testing 73

Testing Open Source Strategy Processing 73

Testsigma

AUGUST 24, 2020

Maintaining test data in a central repository and then accessing it from different test environments may ease this problem but may introduce other issues like network latency in tests. The right combination of open source and paid test frameworks/tools can be used rather than relying solely on open-source test frameworks/tools.

Testing 69

Testing Open Source Scalability Latency 69

Percona

MAY 2, 2023

Also, we will take a look at our open-source backup utility custom-built to help avoid costs and proprietary software – Percona Backup for MongoDB or PBM. The speed of backup also depends on allocated IOPS and type of storage since lots of read/writes would be happening during this process. Records backup progress logging.

Best Practices 52

Best Practices Database Storage Servers 52

HammerDB

OCTOBER 18, 2019

As noted previously the main developer of HammerDB is an Intel employee (#IAMINTEL) however HammerDB is a personal open source project and any opinions are my own, specific to the context of HammerDB as an independent personal project and not representing Intel. The governor "powersave" may decide which speed to use within this range.

Benchmarking 63

Benchmarking Performance Hardware C++ 63

KeyCDN

AUGUST 15, 2019

When the word “performance” is heard, most people immediately think of speed. Wait time: Sometimes called average latency, wait time refers the amount of time a request spends in a queue before it gets processed. Selenium Selenium is a lightweight, open source testing framework for recording, editing, and debugging tests.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

HammerDB

MAY 5, 2019

Note that the main developer of HammerDB is Intel employee (#IAMINTEL) however HammerDB is a personal open source project and HammerDB has no optimization whatsoever for a database running on any particular architecture. In the recent MySQL 8.0.16 In particular the number of concurrent users is going to be a significant factor.

Testing 48

Testing Tuning Latency Storage 48

Smashing Magazine

JANUARY 11, 2021

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Note : If you use Page Speed Insights or Page Speed Insights API (no, it isn’t deprecated!),

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. dashboard (open source), SpeedCurve and Calibre are just a few of them, and you can find more tools on perf.rocks.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Note : If you use Page Speed Insights (no, it isn’t deprecated), you can get CrUX performance data for specific pages instead of just the aggregates.

Performance 104

Performance Cache Metrics Network 104

Rigor

OCTOBER 30, 2019

The Lighthouse Performance score is based on some of the most important performance metrics : First Contentful Paint, First Meaningful Paint, Speed Index, Time to Interactive, First CPU Idle, and Estimated Input Latency. When it comes to network speed, Lighthouse gives you three options – and no others.

Google 51

Google Best Practices Energy Website 51

Alex Russell

JUNE 20, 2020

Rendering text is important (think login screens), but there's no product without low-latency, adaptive codecs, networking, and camera/microphone access. Unfortunately, much has already been done to speed the web's irrelevance. You're usually better off tackling latency with aggressive performance budgeting. ??.

Hardware 55

Hardware Games Java Media 55

All Things Distributed

NOVEMBER 21, 2017

Redis's microsecond latency has made it a de facto choice for caching. Four years ago, as part of our AWS fast data journey, we introduced Amazon ElastiCache for Redis , a fully managed, in-memory data store that operates at microsecond latency. Whether it is gaming, adtech, travel, or retail—speed wins, it's simple.

Games 112

Games Retail Latency Education 112

High Scalability

SEPTEMBER 8, 2018

RISELabs , those wonderfully innovative folks over at Berkeley, have uplifted their Anna datatabase —a shared-nothing, thread-per-core architecture to achieve lightning-fast speeds by avoiding all coordination mechanisms—to become cloud-aware. What's changed ? They are about creating the future. Related Articles.

Storage 199

Storage Performance AWS Efficiency 199

Smashing Magazine

MAY 20, 2020

This metric is important, but quite vague because it can include anything — starting from server rendering time and ending up with latency problems. But who would prefer community-driven open-source products to the one owned by a corporate monster? Package For Measuring Library Size. Ain’t No Rest For The Wicked.

Performance 100

Performance Metrics Best Practices Code 100

Smashing Magazine

AUGUST 22, 2021

A Primer on Speed. Discussing performance and “speed” can quickly get complex, because many underlying aspects contribute to a web-page loading “slowly”. Because we are dealing with network protocols here, we will mainly look at network aspects, of which two are most important: latency and bandwidth. Congestion Control.

Performance 107

Performance Network Latency Servers 107

Smashing Magazine

AUGUST 20, 2021

It was a battle of not only proprietary vs open source but also static vs dynamic. You could create and update blog posts, all content was straight HTML — open-source WYSIWYG editors weren’t available at the time, and Markdown didn’t come about until 2004. We can see all the bones of modern Jamstack CMSs here.

Ecommerce 140

Ecommerce Website Government Internet 140

Abhishek Tiwari

NOVEMBER 3, 2018

Cost is one of the key reasons why most government organisations, mid to large sized business, and publisher prefer open source CMS options such as WordPress and Drupal. In addition, open source CMS solutions also struggle with blotted plugin ecosystem. Gone the days when you required to have big fat-contract with Akamai.

Systems 63

Systems Cache Website Network 63

Smashing Magazine

SEPTEMBER 6, 2021

Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. Finally, not inlining resources has an added latency cost because the file needs to be requested. In our own early tests , I found seriously diminishing returns at about 40 files.

Network 107

Network Servers Cache Traffic 107

Smashing Magazine

SEPTEMBER 29, 2021

Assuming encode/decode speeds meet your needs. Encode/Decode Speed. Degree of compression, image quality, and decoding speed are key factors to be considered when comparing image performance for the web. The AV1 image file format (AVIF) is an open-source image format for storing still and animated images.

Open Source 145

Open Source Speed Website Google 145