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.).

Systems 60

Systems Latency Performance Analytics 60

Alex Podelko

JUNE 12, 2019

My post Good Times for Load Testing was published in 2014. I am not so upbeat as I was in 2014. Microfocus acquired both LoadRunner from HP and Silk Performer (as a part of Borland). IBM Rational Performance Tester and IBM Rational Performance Tester on Cloud (including no charge Starter Edition) appear to be available.

Testing 243

Testing Open Source Testing Tools Performance Testing 243

Dynatrace

APRIL 28, 2020

Gartner just released its latest Magic Quadrant for Application Performance Monitoring (APM) , and a separate Critical Capabilities for APM report. Gartner, Magic Quadrant for Application Performance Monitoring, Charley Rich, Federico De Silva, 22 April 2020. Dynatrace news. Before 2015, Dynatrace was listed as Compuware.

DevOps 247

DevOps Innovation Monitoring Analytics 247

Dynatrace

AUGUST 11, 2022

Before an organization moves to function as a service, it’s important to understand how it works, its benefits and challenges, its effect on scalability, and why cloud-native observability is essential for attaining peak performance. The FaaS model of cloud computing debuted in 2014 with startups like hook.io. What is FaaS?

Development 255

Development Serverless Best Practices Lambda 255

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

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

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. I've been helping lead BPF observability since 2014, and I'm a major contributor and maintainer for the front-ends. . -

Systems 40

Systems Performance Education Technology 40

Alex Russell

MARCH 6, 2021

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. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

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

Dynatrace

NOVEMBER 8, 2021

Application performance monitoring (APM) solutions have evolved in recent years, and organizations now have plenty of options to choose from when selecting the right tools for their needs. APM solutions track key software application performance metrics using monitoring software and telemetry data. Dynatrace news.

Artificial Intelligence 235

Artificial Intelligence Monitoring Infrastructure Cloud 235

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How long does it take to read the time?

Speed 126

Speed Java AWS Virtualization 126

Dynatrace

APRIL 5, 2021

The 2014 launch of AWS Lambda marked a milestone in how organizations use cloud services to deliver their applications more efficiently, by running functions at the edge of the cloud without the cost and operational overhead of on-premises servers. Dynatrace news. What is AWS Lambda? Where does Lambda fit in the AWS ecosystem?

Lambda 183

Lambda AWS Serverless Hardware 183

Dynatrace

NOVEMBER 29, 2022

With a skeleton staff of 7 on a on 24×7 schedule, we increased the number releases from 2 to 26 per year and reduced production bugs by 93% since 2014. As a result, IT teams can automate and manage processes across on-premises and cloud-based systems, or between multiple cloud services to prevent vendor lock-in. Register now!

Infrastructure 176

Infrastructure Code Cloud DevOps 176

Brendan Gregg

APRIL 14, 2022

offer letter logo (2014) flame graphs (2014) eBPF tools (2014-2019) PMC analysis (2017) my pandemic-abandoned desk (2020); office wall I joined Netflix in 2014, a company at the forefront of cloud computing with an attractive work culture. It was the most challenging job among those I interviewed for. Thank you.

Java 52

Java Cache Cloud AWS 52

Dynatrace

MAY 31, 2021

Since Kubernetes emerged in 2014, it has become a popular solution for scaling, managing, and automating the deployments of containerized applications in distributed environments. Although Kubernetes simplifies application development while increasing resource utilization, it is a complex system that presents its own challenges.

Virtualization 133

Virtualization DevOps Infrastructure Cloud 133

Dynatrace

AUGUST 16, 2021

Since Kubernetes emerged in 2014, it has become a popular solution for scaling, managing, and automating the deployments of containerized applications in distributed environments. Component issue statistics from configurable issue tracking queries integrated with tracking systems like GitHub.

Software 246

Software Software Open Source Azure 246

Dynatrace

JUNE 15, 2023

If your application runs on servers you manage, either on-premises or on a private cloud, you’re responsible for securing the application as well as the operating system, network infrastructure, and physical hardware. What are some key characteristics of securing cloud applications?

Cloud 181

Cloud Open Source Architecture Monitoring 181

Brendan Gregg

JULY 2, 2021

This is also applicable for people adding it to their own in-house monitoring systems. You likely already have agents running on all your customer systems. There are so many options it's really your own preference based on your existing system and customer environments. cachestat File system cache statistics line charts.

Latency 145

Latency Cache Energy Systems 145

Smashing Magazine

FEBRUARY 5, 2019

iOS Performance Tricks To Make Your App Feel More Performant. iOS Performance Tricks To Make Your App Feel More Performant. Although modern iOS hardware is powerful enough to handle many intensive and complex tasks, the device could still feel unresponsive if you are not careful about how your app performs.

Performance 77

Performance Energy Operating System Code 77

Adrian Cockcroft

APRIL 24, 2023

We leased a Nissan Leaf 2011–2014, bought a 2010 Tesla Roadster in 2013, leased a Fiat 500e 2014–2017, and bought a Tesla Model 3 Performance in early 2020. When we got to the car itself we found it was a Model 3 Performance (maybe that’s why they tried to get us into a Model Y?) and was about 50% charged.

Infrastructure 98

Infrastructure Code Performance Systems 98

Dynatrace

JULY 13, 2020

Containers and Microservices: R evolution in the architecture of distributed systems . ? refers to cloud-based, containerized, distributed systems, made up of cooperating microservices, dynamically managed by automated infrastructure as code. . ? How do you make this system resilient and fault-tolerant? Cloud-native?

Google 132

Google Ecommerce DevOps Cloud 132

Dynatrace

JULY 13, 2020

Containers and Microservices: R evolution in the architecture of distributed systems . ? refers to cloud-based, containerized, distributed systems, made up of cooperating microservices, dynamically managed by automated infrastructure as code. . ? How do you make this system resilient and fault-tolerant? Cloud-native?

Google 130

Google Ecommerce DevOps Cloud 130

Dynatrace

FEBRUARY 25, 2021

Since its introduction by AWS in 2014, AWS Lambda has revolutionized the compute space and boosted the entire serverless movement. We’re talking about a few hundred milliseconds, but this can have a considerable performance impact when cold starts occur too often. Dynatrace news. Why metrics alone aren’t enough.

Lambda 223

Lambda AWS Monitoring Serverless 223

Dynatrace

NOVEMBER 22, 2021

When Amazon launched AWS Lambda in 2014, it ushered in a new era of serverless computing. Amazon Web Services (AWS) and other cloud platforms provide visibility into their own systems, but they leave a gap concerning other clouds, technologies, and on-prem resources. Dynatrace news. Dynatrace is making the value of AI real.

AWS 232

AWS Lambda Artificial Intelligence Serverless 232

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

Brendan Gregg

AUGUST 29, 2021

A service team was debugging a performance issue and noticed it coincided with a high rate of paging. I was asked to help, and used a variety of performance tools to solve this including those that use eBPF and Ftrace. 1072-aws (xxx) 12/18/2018 _x86_64_ (16 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 5.03

Cache 105

Cache C++ AWS Latency 105

Alex Podelko

NOVEMBER 21, 2018

In 2014, I was preparing a presentation about load testing tools and criteria for their selection. While it is impossible to cover everything that is available in detail, the advantage of the book is that it puts everything into a system, allowing the reader to understand relations between different parts and technologies.

DevOps 113

DevOps Testing Testing Tools Performance Testing 113

Brendan Gregg

DECEMBER 31, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. Our team looks after the BaseAMI, kernel tuning, OS performance tools and profilers, and self-service tools like Vector. File System. We help where we can. .** schedtool –B PID.

Tuning 61

Tuning AWS Best Practices Network 61

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

Brendan Gregg

DECEMBER 30, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. Our team looks after the BaseAMI, kernel tuning, OS performance tools and profilers, and self-service tools like Vector. File System. We help where we can. .** schedtool –B PID.

Tuning 52

Tuning AWS Best Practices Network 52

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. That database engine is now known as Amazon Aurora and launched in 2014 for MySQL and in 2016 for PostgreSQL.

Database 117

Database Design Cloud Storage 117

Dynatrace

MAY 7, 2019

So, he started selling open source Linux and Unix operating systems with his famous sales pitch “You wouldn’t buy a car with the hood welded shut”. The name he chose for his product was – unsurprisingly – “Red Hat Linux”, and soon became famous as a stable and easy-to-use operating system. Come on, meet us!

Open Source 113

Open Source DevOps Innovation Infrastructure 113

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How long does it take to read the time?

Speed 40

Speed Java AWS Virtualization 40

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you time time?

Speed 52

Speed Java AWS Virtualization 52

SQL Performance

FEBRUARY 22, 2021

The system table sys.sysprocesses was replaced way back in SQL Server 2005 by a set of dynamic management views (DMVs), most notably sys.dm_exec_requests , sys.dm_exec_sessions , and sys.dm_exec_connections. We recommend that you use the current SQL Server system views instead. sysprocesses. Why this is a problem.

Latency 57

Latency Servers Monitoring Systems 57

ACM Sigarch

APRIL 26, 2018

TFLOPS deep learning performance, and is equipped with 32GB of high-bandwidth memory (HBM) capacity. The new DGX-2, which achieves 2 petaFLOPS in the system, combines 16 fully interconnected GPUS with 10x the deep learning performance. In 2014, Google’s Project Tango deployed Myriad1 to construct 3D indoor maps.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

The Morning Paper

JANUARY 21, 2020

In the next post we’ll look at the detailed analysis of how a team at Etsy handled a particular incident on December 4th 2014, to see what we can learn from it. The Internet itself, over which these systems operate, is a dynamically distributed network spanning national borders and policies with no central coordinating agent.

Internet 98

Internet Internet Strategy Energy 98