Brendan Gregg

APRIL 30, 2018

USENIX’s LISA conference is the premier event for topics in production system engineering. The CFP for LISA18 is open now, and we’d love for you to submit talks and tutorials ideas by May 24th, 2018. We hope you'll consider submitting a talk or tutorial, and plan to attend LISA 2018. Join us for 3 days in Nashville at LISA'18.

DevOps 43

DevOps Network Best Practices Programming 43

DZone

FEBRUARY 24, 2021

The businesses were highly affected by data breaches or theft as this specific sector accounted for the vast bulk of all exposed records in the year 2018. In cases of loss in the USA, cyber crimes have higher average costs per year for the financial services sector.

Testing 213

Testing Healthcare Systems 213

Brendan Gregg

APRIL 29, 2018

USENIX’s LISA conference is the premier event for topics in production system engineering. The CFP for LISA18 is open now, and we’d love for you to submit talks and tutorials ideas by May 24th, 2018. We hope you'll consider submitting a talk or tutorial, and plan to attend LISA 2018. Join us for 3 days in Nashville at LISA'18.

DevOps 40

DevOps Network Best Practices Programming 40

O'Reilly Software

FEBRUARY 27, 2018

From the O'Reilly Software Architecture Conference in New York 2018. Adrian Cockcroft outlines the architectural principles of chaos engineering and shares methods engineers can use to exercise failure modes in safety and business-critical systems. Watch highlights covering the latest tools and techniques of software architecture.

Software Architecture 62

Software Architecture Architecture Software Software 62

Percona Community

DECEMBER 14, 2018

As mentioned in a previous post, I gave a talk at Percona Live Europe 2018 about system-versioned tables. This is a new MariaDB 10.3 feature, which consists of preserving old versions of a table rows. Each version has two timestamps that indicate the start (INSERT,UPDATE) of the validity of that version, and its end (DELETE, UPDATE).

Systems 52

Systems 52

The Netflix TechBlog

DECEMBER 10, 2019

By Adam Wang , Andy Swan , Raja Senapati , Shilpa Jois , Anjali Chablani , Deepa Krishnan , Vidya Sundaram , and Casey Wilms You can also check out highlights from our past events: May 2019 , November 2018 , March 2018 , August 2017 , January 2017 , May 2016 , November 2015 , March 2015 , February 2014 & August 2014.

Innovation 200

Innovation Mobile Technology Technology 200

High Scalability

OCTOBER 19, 2018

cpeterso : Your quote reminds me of cybernetics' Law of Requisite Variety: "If a system is to be stable, the number of states of its control mechanism must be greater than or equal to the number of states in the system being controlled.". UW's massive computer-science school is now named for him. ” -Larry Tesler.

Internet 123

Internet Internet Scalability Lambda 123

High Scalability

SEPTEMBER 21, 2018

Too often, those who already hold power, those who are least able to recognize the flaws in our current systems, are the ones who decide our technological future. More quotes.

Internet 126

Internet Internet Scalability Traffic 126

Brendan Gregg

JULY 4, 2021

I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book. TCP Extensions for Multipath Operation with Multiple Addresses,” [link] Mar 2020 - [Gregg 20] Brendan Gregg, “Systems Performance: Enterprise and the Cloud, Second Edition,” Addison-Wesley, 2020 - [Hruska 20] Joel Hruska, “Intel Demos PCIe 5.0

Performance 140

Performance Latency Hardware Storage 140

KeyCDN

OCTOBER 2, 2018

It’s awesome for discovering how grid systems, CSS animation, Big Data, etc all play roles in real-world web design. It also contains a lot of good articles about WordPress, development on Unix-like systems and back-end languages like Python. Be sure to check it out if your dev process needs a creative kick in the pants.

Development 75

Development Website Design Technology 75

High Scalability

AUGUST 22, 2018

Decentralized systems will continue to lose to centralized systems until there's a driver requiring decentralization to deliver a clearly superior consumer experience. For all the idealistic technical reasons I laid out long ago in Building Super Scalable Systems: Blade Runner Meets Autonomic Computing In The Ambient Cloud.

Internet 220

Internet Internet Google Scalability 220

Brendan Gregg

FEBRUARY 28, 2023

This talk originated from my updates to [Systems Performance 2nd Edition], and this was the first time I've given this talk in person! CXL in a way allows a custom memory controller to be added to a system, to increase memory capacity, bandwidth, and overall performance. Ford, et al., “TCP

Performance 110

Performance Latency Cache Virtualization 110

High Scalability

AUGUST 17, 2018

and others) you don’t know distributed systems.” I'd love to hear experiences from people who have? allspaw : engineer: “Unless you’re familiar with Lamport, Brewer, Fox, Armstrong, Stonebraker, Parker, Shapiro.(and

Internet 105

Internet Internet Scalability Games 105

The Netflix TechBlog

DECEMBER 10, 2019

By Adam Wang , Andy Swan , Raja Senapati , Shilpa Jois , Anjali Chablani , Deepa Krishnan , Vidya Sundaram , and Casey Wilms You can also check out highlights from our past events: May 2019 , November 2018 , March 2018 , August 2017 , January 2017 , May 2016 , November 2015 , March 2015 , February 2014 & August 2014.

Innovation 130

Innovation Mobile Technology Technology 130

The Netflix TechBlog

DECEMBER 10, 2019

By Adam Wang , Andy Swan , Raja Senapati , Shilpa Jois , Anjali Chablani , Deepa Krishnan , Vidya Sundaram , and Casey Wilms You can also check out highlights from our past events: May 2019 , November 2018 , March 2018 , August 2017 , January 2017 , May 2016 , November 2015 , March 2015 , February 2014 & August 2014.

Innovation 130

Innovation Mobile Technology Technology 130

Percona

DECEMBER 20, 2018

Let’s look at some of the most popular Percona Database Performance Blog posts in 2018. We’ve had nearly 4 million visits to the blog in 2018: thank you! As 2018 moves into 2019, let’s take a quick look back at some of the most popular posts on the blog this year. And making lists. Top 10 Most Read.

Database 40

Database Tuning Performance AWS 40

ACM Sigarch

MARCH 18, 2019

Computer systems, from the Internet-of-Things devices to datacenters, are complex and optimizing them can enhance capability and save money. Developing simulators, however, is time-consuming and requires a great deal of infrastructure development regarding a prospective system. Answered in Part 2.). Lazowska, et al.

Systems 60

Systems Latency Performance Analytics 60

Dynatrace

DECEMBER 12, 2019

Operating systems. The vendor has de-supported this technology and version with 2018-12-31. The vendor has de-supported this technology and version with 2018-04-31. Upcoming Operating systems support changes. The following operating systems will no longer be supported starting 2020/03/01. Current support changes.

Azure 103

Azure Java Operating System Google 103

Dynatrace

APRIL 6, 2020

Operating systems. The vendor has de-supported this technology and version with 2018-12-03. Current Operating systems support changes. The following operating systems will no longer be supported starting 01 May 2020. Current Operating systems support changes. Added support for Go 1.14 Current support changes.

Operating System 102

Operating System Java Technology Technology 102

Dynatrace

MARCH 3, 2020

By 2024, over 50% of all IT spending will be directly put towards digital transformation and innovation (up from 31% in 2018). PayPal, a popular online payment systems organization, implemented a full performance as a self-service model for developers to get their code performance tests. Industry apps explosion.

Performance 239

Performance Education Innovation Software Architecture 239

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. A time where you can pose arbitrary questions of the system, and it can answer them.

Systems 40

Systems Performance Education Technology 40

High Scalability

MARCH 22, 2019

µs of replication latency on lossy Ethernet, which is faster than or comparable to specialized replication systems that use programmable switches, FPGAs, or RDMA.". BrentToderian : What city went from 14% of all trips by bike in 2001, to 22% by 2012, then leaped to 30% in 3 years by 2015, & 35% by 2018? We achieve 5.5

Internet 134

Internet Internet Scalability Wireless 134

Brendan Gregg

OCTOBER 7, 2018

Created by Alastair Robertson , bpftrace is an open source high-level tracing front-end that lets you analyze systems in custom ways. eBPF (extended Berkeley Packet Filter) is in the Linux kernel and is the new hotness in systems engineering. Here's key differences as of August 2018: Type DTrace bpftrace.

C++ 40

C++ Virtualization Programming Latency 40

Scalegrid

JUNE 6, 2019

Over the years, migrating data to the cloud has become a top priority for organizations looking to modernize their infrastructure for improved security, performance, and agility, closely followed by the trending shift from commercial database management systems to open source databases.

AWS 191

AWS Cloud Open Source Virtualization 191

Dynatrace

DECEMBER 14, 2021

Already in 2018, 82% of all travel bookings globally took place without human interaction. I lost an entire day due to an IT system problem that nobody noticed. The hotel’s rental subsidiary limits their IT monitoring to internal system metrics, with no visibility into user journeys or business transactions.

Airlines 218

Airlines Social Media Entertainment Transportation 218

DZone

SEPTEMBER 9, 2019

In August of 2018 Bob Diachenko, Director of Cyber Risk Research at Hacken.io found that over 2 million Mexican citizens had their healthcare data leaked due to a security vulnerability in a system's database. At that same time, he found that the data of 93 thousand users of a popular babysitting app, Sitter, was also exposed.

Healthcare 113

Healthcare Performance Infrastructure Database 113

Dynatrace

APRIL 3, 2020

Because OneAgent operates on your critical hosts where the services that comprise your business applications are located, Dynatrace must ensure the highest possible security in monitoring the operating systems and services that run on these hosts. It leverages Linux kernel system capabilities.

Operating System 174

Operating System Monitoring Systems Code 174

Dynatrace

JANUARY 17, 2020

The vendor has de-supported this technology and version with 2018-04-31. Current Operating systems support changes. The following operating systems will no longer be supported starting 01 March 2020. OneAgent 1.183 will be the last OneAgent version that supports the following technologies. IBM WebSphere Application Server 8.0.

Azure 104

Azure Operating System Google Technology 104

ACM Sigarch

MARCH 25, 2019

The M/M/1 queue also assumes that the arrival rate is not affected by the unbounded number of tasks in the queue (called an “open system”). He is a fellow of IEEE and the ACM, serves as Chair of the Computer Community Consortium (2018-20) and served as Wisconsin Computer Sciences Department Chair 2014-17.

Systems 53

Systems Latency Performance C++ 53

High Scalability

AUGUST 13, 2018

Decentralized systems will continue to lose to centralized systems until there's a driver requiring decentralization to deliver a clearly superior consumer experience. For all the idealistic technical reasons I laid out long ago in Building Super Scalable Systems: Blade Runner Meets Autonomic Computing In The Ambient Cloud.

Internet 116

Internet Internet Google Scalability 116

Dynatrace

DECEMBER 14, 2021

Already in 2018, 82% of all travel bookings globally took place without human interaction. I lost an entire day due to an IT system problem that nobody noticed. The hotel’s rental subsidiary limits their IT monitoring to internal system metrics, with no visibility into user journeys or business transactions.

Airlines 184

Airlines Social Media Entertainment Transportation 184

Dynatrace

JANUARY 5, 2023

Further, Gartner expects the proportion of large companies that use AIOps and digital experience monitoring tools to monitor apps and infrastructure will increase from 5% in 2018 to 30% in 2023. Park ‘N Fly relies on successfully integrating its booking system with its custom-built kiosks located at its off-airport parking lots.

Artificial Intelligence 147

Artificial Intelligence Innovation Technology Technology 147

Dynatrace

MARCH 10, 2020

The vendor has de-supported this technology and version with 2018-12-03. Upcoming Operating systems support changes. The following operating systems will no longer be supported starting 01 May 2020. The following operating systems will no longer be supported starting 01 June 2020. Windows: Windows 10 (Desktop) 1703.

Operating System 100

Operating System Java Google Servers 100

Alex Podelko

JUNE 12, 2019

released in March 2018 – so it doesn’t look like a lot is going on there. But when I check it in 2018, JMeter appears to be well ahead of LoadRunner (now MicroFocus) in both the number of documents and the number of jobs mentioning it, apparently becoming the most popular load testing tool.

Testing 243

Testing Open Source Testing Tools Performance Testing 243

Dynatrace

FEBRUARY 7, 2020

Operating systems. The vendor has de-supported this technology and version with 2018-12-03. Upcoming Operating systems support changes. Upcoming Operating systems support changes. The following operating systems will no longer be supported starting 01 April 2020. Added support for OkHttp 4.0.x, x86 (64bit-only).

Operating System 101

Operating System Java Servers Google 101

Dynatrace

OCTOBER 15, 2021

Loosely defined, observability is the ability to understand what’s happening inside a system from the knowledge of the external data it produces, which are usually logs, metrics, and traces. Logs are important because you’ll naturally want an event-based record of any notable anomalies across the system. Watch webinar now!

Open Source 215

Open Source Metrics Cloud Transportation 215

Brendan Gregg

AUGUST 29, 2021

1072-aws (xxx) 12/18/2018 _x86_64_ (16 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 5.03 avg-cpu: %user %nice %system %iowait %steal %idle 14.81 avg-cpu: %user %nice %system %iowait %steal %idle 14.86 avg-cpu: %user %nice %system %iowait %steal %idle 14.95 100.00 ^C. . ## 5. Counting cache functions.

Cache 105

Cache C++ AWS Latency 105