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. The call for participation ends on March 2nd 23:59 SGT! Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., Microservices fundamentally change a lot of assumptions current cloud systems are designed with, and present both opportunities and challenges when optimizing for quality of service (QoS) and utilization.

Open Source 61

Open Source Hardware Benchmarking Systems 61

The Netflix TechBlog

NOVEMBER 22, 2019

4:45pm-5:45pm NFX 209 File system as a service at Netflix Kishore Kasi , Senior Software Engineer Abstract : As Netflix grows in original content creation, its need for storage is also increasing at a rapid pace. Technology advancements in content creation and consumption have also increased its data footprint. Wednesday?—?December

AWS 100

AWS Entertainment Open Source Benchmarking 100

The Netflix TechBlog

NOVEMBER 22, 2019

4:45pm-5:45pm NFX 209 File system as a service at Netflix Kishore Kasi , Senior Software Engineer Abstract : As Netflix grows in original content creation, its need for storage is also increasing at a rapid pace. Technology advancements in content creation and consumption have also increased its data footprint. Wednesday?—?December

AWS 100

AWS Entertainment Open Source Benchmarking 100

Dotcom-Montior

NOVEMBER 24, 2021

With the rapid advancements in web application technologies, programming languages, cloud computing services, microservices, hybrid environments, etc., This complexity is “hidden” to the end user, like how an API (Application Programming Interface) operates, whether that is an actual user or another computer. Three-Tier. Concurrency.

Systems 74

Systems Monitoring Hardware Network 74

Brendan Gregg

JULY 2, 2021

Here are the top ten tools you can run and present as a generic BPF observability dashboard, along with suggested visualizations: Tool Shows Visualization. biolatency Disk I/O latency histogram heat map. runqlat CPU scheduler latency heat map. biolatency Disk I/O latency histogram heat map. opensnoop Files opened table.

Latency 145

Latency Cache Energy Systems 145

Percona

DECEMBER 26, 2023

The collected data is aggregated and presented in a single view. Configuring Grafana For our purposes, the Grafana datasource used in this PoC is also the Postgres data cluster that is generating the data to be monitored. pg_stat_monitor About pg_stat_monitor is a Query Performance Monitoring tool for PostgreSQL.

Benchmarking 121

Benchmarking Metrics C++ Database 121

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI.

Speed 126

Speed Java AWS Virtualization 126

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. It was a great privilege. That's about 24 hours from now!

Performance 52

Performance Latency Cache Virtualization 52

The Morning Paper

DECEMBER 8, 2019

On the last morning of the conference Daniel Bittman presented some of the work being done in the context of the Twizzler OS project to explore new programming models for NVM. The starting point is a set of three asumptions for an NVM-based programming model: Compared to traditional persistent media, NVM is fast.

Hardware 56

Hardware Programming Media Storage 56

O'Reilly Software

APRIL 4, 2018

Fast forward to the present day and we find ourselves in a world where the number of connected devices is constantly increasing. Here are five considerations every software architect and developer needs to take into account when setting the architectural foundations for a fast data platform. Determine requirements first.

Architecture 80

Architecture Scalability Google Operating System 80

Smashing Magazine

AUGUST 20, 2021

Jamstack CMS: The Past, The Present and The Future. Jamstack CMS: The Past, The Present and The Future. Nanoc removed the UI and is instead a program you run on the command line. We now have workflows where independent developers from around the world can come together and build extremely high-quality software.

Ecommerce 139

Ecommerce Website Government Internet 139

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? Software-based clocksources could fix those issues and provide accurate monotonically-increasing time. in total.

Speed 52

Speed Java AWS Virtualization 52

Alex Russell

APRIL 29, 2021

Provides support for "unread counts", e.g. for email and chat programs. For heavily latency-sensitive use-cases like WebXR, this is a critical component in delivering a good experience. Helps developers present better, more contextual options and prompts, reducing user annoyance and "prompt spam" Screen Wakelock.

Media 145

Media Games Education Engineering 145

O'Reilly

NOVEMBER 12, 2019

We suspect this points to a general drift toward software teams taking more responsibility for infrastructure, and increasingly, enabled by serverless options. As noted earlier, the majority of survey respondents are software engineers. latency, startup, mocking, etc.) Industries of survey respondents.

Serverless 88

Serverless Architecture FinTech Infrastructure 88

The Morning Paper

JANUARY 12, 2020

Last week we looked at some of the challenges inherent in automation and in building systems where humans and software agents collaborate. We consider control systems grounded in the physical world, optimization of software systems, and systems that interact with users such as recommender systems and smart phones. ICML’19.

Programming 43

Programming Systems Efficiency Network 43

The Netflix TechBlog

NOVEMBER 22, 2019

4:45pm-5:45pm NFX 209 File system as a service at Netflix Kishore Kasi , Senior Software Engineer Abstract : As Netflix grows in original content creation, its need for storage is also increasing at a rapid pace. Technology advancements in content creation and consumption have also increased its data footprint. Wednesday?—?December

AWS 37

AWS Entertainment Open Source Benchmarking 37

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI.

Speed 40

Speed Java AWS Virtualization 40

Brendan Gregg

JULY 2, 2021

Here are the top ten tools you can run and present as a generic BPF observability dashboard, along with suggested visualizations: Tool Shows Visualization 1. biolatency Disk I/O latency histogram heat map 5. runqlat CPU scheduler latency heat map 10. biolatency Disk I/O latency histogram heat map 5. patch to Linux 5.12.

Open Source 40

Open Source Latency Cache Energy 40

Alex Russell

JANUARY 30, 2024

Regardless, I present the thinking behind them because it can provide teams with informed points of departure, and also because clarifying the ritual freakout taking place as INP begins to put a price on JavaScript externalities. Front-end developers are cursed to program the Devil's computer.

Performance 90

Performance Network Mobile Speed 90

O'Reilly Software

MARCH 7, 2018

Software today is not typically a single program—something that is executed by an operator or user, producing a result to that person—but rather a service : something that runs for the benefit of its consumers, a provider of value. The most common programming task in the world. The past and present of enterprise integration.

Transportation 72

Transportation Java Programming Architecture 72

Alex Russell

JULY 14, 2021

Furthermore, the content developer is unlikely to find limits presented by the WebView to be unwelcome or unreasonably immutable (via collaboration with the app developer). They are as helpless as users are to understand why an otherwise browser-presenting environment appears subtly, yet profoundly, broken. But third-party developers?

Google 121

Google Mobile Engineering Internet 121

John McCalpin

JANUARY 22, 2018

Dr. Damon McDougall gave a short presentation on this study at the IXPUG 2018 Fall Conference ( pdf ) — I originally wrote these notes to help organize my thoughts as we were preparing the IXPUG presentation, and later decided that the extra details contained here are interesting enough for me to post it. cmpl $1000000000, %eax.

Latency 40

Latency Hardware Code Testing 40

Alex Russell

JUNE 20, 2020

Suz Hinton's talks on WebUSB show the through-line: as the web gets more capable, whole classes of software suddenly benefit from frictionless deployment, increased safety, better privacy, and more meaningful user controls. 3] Oh, and it should be imperatively programmed with Lisp-in-C's-clothing. Together, they make software better.

Hardware 55

Hardware Games Java Media 55

The Netflix TechBlog

MARCH 1, 2021

It supports both high throughput services that consume hundreds of thousands of CPUs at a time, and latency-sensitive workloads where humans are waiting for the results of a computation. The subsystems all communicate with each other asynchronously via Timestone, a high-scale, low-latency priority queuing system. Warm capacity.

Serverless 228

Serverless Media Latency Social Media 228

SQL Server According to Bob

JANUARY 11, 2020

The suspension takes place when ​​ no user requests are ​​ present ​​ and wakes ​​ when a ​​ new ​​ request arrives. This White Paper is for informational purposes only.

Servers 40

Servers Cache Database Media 40

Alex Russell

NOVEMBER 6, 2013

High-level systems like HTML deliver huge value by providing the ability to manipulate — and be insulated from — many nasty layers of software. I submit that HTML has succeeded because it turned people who didn’t know anything about programming into great communicators. Think on the humble <a href=".">

Engineering 40

Engineering Technology Technology Systems 40

SQL Server According to Bob

JANUARY 11, 2020

​​ Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information presented after the date of publication. Mirroring can be implemented at a software or hardware level.

Servers 40

Servers Cache Media Hardware 40

O'Reilly

JULY 20, 2021

You will find that the paradigms you choose for other parties won’t align with the expectations for children, and modifying your software to accommodate children is difficult or impossible. Most software is built to work for as many people as possible; this is called generalization. Norms stand in the way of generalization.

Google 121

Google Games Technology Technology 121

All Things Distributed

NOVEMBER 29, 2017

As there are few individuals with this expertise, an easier process presents a significant opportunity for companies who want to accelerate their ML usage. We also recently announced the Amazon ML Solutions Lab, which is a program to help you accelerate your use of ML in products and processes.

Tuning 94

Tuning AWS Scalability Infrastructure 94