HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. However, it is crucial that the benchmarking application does not have inherent bottlenecks that artificially limits the scalability of the database. Basic Benchmarking Concepts. To benchmark a database we introduce the concept of a Virtual User.

Programming 67

Programming Benchmarking Virtualization C++ 67

Smashing Magazine

JUNE 3, 2022

And today, we still have type in a digital context, but it travels through cables, wirelessly on smartphones, and in virtual reality glasses in 3D. Alternatively, if you want to do something new and expressive, or that has never been done before, then fine, of course. There are many different classifications of typefaces.

Performance 110

Performance Design Best Practices Testing 110

Brendan Gregg

MARCH 16, 2024

It was also a virtual machine that lacked low-level hardware profiling capabilities, so I wasn't able to do cycle analysis to confirm that the 10% was entirely frame pointer-based. But I'd rather the cost be zero, of course! The actual overhead depends on your workload. Bear in mind that Netflix doesn't even use Fedora!)

Java 145

Java Cache Google Hardware 145

SQL Performance

APRIL 8, 2019

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. I wrote about using CPU-Z to benchmark the Intel Xeon E5-2673 v3 processor in an Azure VM in this article. Figure 1: CPU-Z Benchmark Results for LS16v2. 10 x 1.9TB NVMe SSD.

Azure 42

Azure Virtualization Storage Benchmarking 42

Dynatrace

FEBRUARY 25, 2021

Of course, this requires a VM that provides rock-solid isolation, and in AWS Lambda, this is the Firecracker microVM. In this case, as the provisioning life cycle diagram shows, the worker node has to be provisioned with the given Lambda function, which does, of course, take some time. The virtual CPU is turned off.

Lambda 218

Lambda AWS Monitoring Serverless 218

Rigor

FEBRUARY 19, 2020

Of course, since websites change daily (in some cases) and scripts can stop working, it is also important to evaluate a tool based on its troubleshooting capabilities, such as: Can you test the script? Of course, configuring a test with different options is only half the battle. Is it a physical system or virtual?

Monitoring 59

Monitoring Benchmarking Mobile Traffic 59

Brendan Gregg

FEBRUARY 9, 2018

I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. virtual (bgregg-c5.9xl-i-xxx) 02/09/2018 _x86_64_ (36 CPU) 05:24:51 PM proc/s cswch/s. In more detail: ## 1. Syscall rate This is the cost of extra CPU cycles in the syscall path. Linux 4.14.12-virtual

Performance 75

Performance Benchmarking Cache Tuning 75

Percona

JUNE 22, 2023

High availability works through a combination of the following: No single point of failure (SPOF) : You must eliminate any single point of failure in the database environment, including physical or virtual hardware the database system relies on that would cause it to fail. there cannot be high availability.

Availability 104

Availability Database Open Source Hardware 104

Alex Russell

APRIL 29, 2021

As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. With each team, benchmarks lost are understood as bugs. All modern browsers are fast, Chromium and Safari/WebKit included.

Media 145

Media Games Education Engineering 145

Brendan Gregg

FEBRUARY 8, 2018

I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. virtual (bgregg-c5.9xl-i-xxx) 02/09/2018 _x86_64_ (36 CPU) 05:24:51 PM proc/s cswch/s. In more detail: ## 1. Syscall rate This is the cost of extra CPU cycles in the syscall path. Linux 4.14.12-virtual

Performance 40

Performance Benchmarking Cache Tuning 40

Enprowess

SEPTEMBER 20, 2021

Like React, Vue features two-way binding, uses components and a virtual DOM. It has a vast community that explains online courses, many available tutorials, articles, and three times more questions on Stack overflow. They use lazy loading to extend performance rates and reduce loading times and code refreshes via virtual DOMs.

Open Source 52

Open Source Mobile Scalability Google 52

Alex Russell

MAY 9, 2022

Folks at this level of awareness might also simply assume that "it's the web, of course it's slow" and reach for native apps as a panacea (they aren't). They are charting a course based on better information because they are cognizant that it is both valuable and potentially available. What's the problem?

Performance 86

Performance Latency Metrics Engineering 86

O'Reilly

OCTOBER 18, 2022

A recent sampling of headlines features sociological bias in generated images , a chatbot , and a virtual rapper. Of course, there are other emerging auditor standards, certifications , and principles. And for good reason. AI systems fail frequently, and bias is often to blame. diverted care away from millions of black people.

Artificial Intelligence 116

Artificial Intelligence Government Healthcare Metrics 116

Smashing Magazine

JANUARY 11, 2021

This might be very different for your company, of course, but that’s a close enough approximation of a majority of customers out there. Geekbench CPU performance benchmarks for the highest selling smartphones globally in 2019. Webpack Fundamentals is a very comprehensive 4h course with Sean Larkin, released by FrontendMasters.

Performance 145

Performance Cache Media Metrics 145