Brendan Gregg

MARCH 16, 2024

I'm sure this delivered large performance improvements and I wouldn't try arguing against it. 2014: Java in Flames Broken Java Stacks (2014) When I joined Netflix in 2014, I found Java's lack of frame pointer support broke all application stacks (pictured in my 2014 Surge talk on the right).

Java 145

Java Cache Google Hardware 145

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

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. This virtualization makes it possible to efficiently deploy and securely run a container independently of the hosting infrastructure. What is Kubernetes?

Virtualization 132

Virtualization DevOps Infrastructure Cloud 132

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

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

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. I'd expect between 0.1%

Virtualization 40

Virtualization AWS Hardware Storage 40

SQL Performance

JUNE 21, 2019

I've been teaching and writing about common SQL Server mistakes for many years. This article will expand on my previous article and point out how these apply to SQL Server , Azure SQL Database , and Azure SQL Managed Instance. SQL Server Agent alerts. This situation applies to on-premises SQL Server and IaaS. Statistics.

Servers 49

Servers Azure Hardware Database 49

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. The virtual CPU is turned off. Dynatrace news.

Lambda 208

Lambda AWS Monitoring Serverless 208

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

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

Enprowess

JANUARY 11, 2022

These front end frameworks provide various templates to interact with browser components and are compatible with various libraries which boost the performance while reducing the amount of code required. React got popular due to the virtual document object model (DOM) which enables it to enhance performance of web apps and PWA significantly.

Virtualization 64

Virtualization Website Speed Mobile 64

KeyCDN

OCTOBER 10, 2018

Although a beta version was released in 2014, the first stable release of Kubernetes was just made available in September 2018. The Need for Containerization Today’s internet users don’t tolerate downtime, so developers have had to find ways to perform maintenance and updates without interrupting their services.

Virtualization 47

Virtualization Open Source Network Architecture 47

Enprowess

SEPTEMBER 28, 2021

The presence of virtual DOM and SPA are the key influencing USPS of React JS. Performance. Finding the simplest react alternatives isn’t as straightforward as many assume because it’s exhausting to search out an ideal match whilst considering the stability and ecosystem support together with API performance delivered by ReactJS.

Open Source 52

Open Source Mobile Entertainment Virtualization 52

Enprowess

SEPTEMBER 20, 2021

However, choice mainly depends on numerous factors like project timeline, framework performance, learning curve, and team size. Performance. Created by Evan You, Vue had its first public appearance in 2014. Like React, Vue features two-way binding, uses components and a virtual DOM. Vue vs React: Performance.

Open Source 52

Open Source Mobile Scalability Google 52

Brendan Gregg

SEPTEMBER 5, 2017

I gave a talk about container performance recently at DockerCon, and included a quick summary of how they work: YouTube , SlideShare : If you search of slideshare and youtube, you'll find many other good talks on containers as well. Oracle VM Server is based on Xen. People rarely create them manually.

Virtualization 76

Virtualization AWS Engineering Hardware 76

Brendan Gregg

AUGUST 8, 2017

If they are higher than your CPU count, then you might have a performance problem (it depends). And here's an excerpt from [Linux] today (include/linux/sched/loadavg.h): #define EXP_1 1884 /* 1/exp(5sec/1min) as fixed-point */ #define EXP_5 2014 /* 1/exp(5sec/5min) */ #define EXP_15 2037 /* 1/exp(5sec/15min) */. to the load average.

Latency 111

Latency Metrics C++ Systems 111

SQL Server According to Bob

DECEMBER 31, 2018

How It Works: XEvent Output and Visualization SQL Server Management Studio Provides–“XE Profiler” Use the SSMS XEvent Profiler. Using SQL Server Management Studio (SSMS) and storing the events in a table requires reading the events, streaming to table storage followed by an order by event sequence query. TSQL Sample Session.

Efficiency 40

Efficiency Code Servers Cache 40

Sutter's Mill

MARCH 11, 2024

The main improvement MSLs give is that a program data race will not corrupt the language’s own virtual machine (whereas in C++ a data race is currently all-bets-are-off undefined behavior). Kubernetes Secrets on public GitHub repos), misconfigured servers (e.g., 2) The problem “isn’t” that C++ code is not formally provably safe.

C++ 143

C++ Programming Code Java 143