Percona

MARCH 17, 2023

These updates are designed to keep databases running at peak performance and simplify database operations. We have tested PMM version 2.33.0 Capacity planning and setup details We used a dedicated 32-core CPU and 64GB of RAM for our testing. Virtual Memory utilization was averaging 48 GB of RAM.

Monitoring 96

Monitoring Scalability Cache Database 96

Percona

JUNE 22, 2023

Typically, the servers are configured in a primary/replica configuration, with one server designated as the primary server that handles all incoming requests and the others designated as replica servers that monitor the primary and take over its workload if it fails. there cannot be high availability.

Availability 105

Availability Database Open Source Hardware 105

Brendan Gregg

MARCH 16, 2024

2015-2020: Overhead As part of production rollout I did many performance overhead tests, which I've described publicly before: The overhead of adding frame pointers to everything (libc and Java) was usually less than 1%, with one exception of 10%. The actual overhead depends on your workload.

Java 145

Java Cache Google Hardware 145

HammerDB

DECEMBER 5, 2020

The HammerDB TPROC-C workload by design intended as CPU and memory intensive workload derived from TPC-C – so that we get to benchmark at maximum CPU performance at a much smaller database footprint. more transactions than system B in the fully audited benchmark then the HammerDB result was also 1.5X

C++ 40

C++ Benchmarking Virtualization Open Source 40

O'Reilly

OCTOBER 18, 2022

A recent sampling of headlines features sociological bias in generated images , a chatbot , and a virtual rapper. System designs can be wrong. In this context, bias is often about system design and not about data or models. And for good reason. AI systems fail frequently, and bias is often to blame. Data can be wrong.

Artificial Intelligence 115

Artificial Intelligence Government Healthcare Metrics 115

Smashing Magazine

JUNE 3, 2022

How would we test to see if there is any difference between a good sans serif and a serif typeface with users? What would the world’s most ideal, best practice and design research-driven highly legible serif, sans serif, and slab serif possibly be like? How well does a typeface work and perform against another similar typeface?

Performance 111

Performance Design Best Practices Testing 111

Testsigma

JANUARY 12, 2021

Enters Cross Browser Testing, a comprehensive way of finding and fixing compatibility bottlenecks. Along with the browser, the “ Viewport ” is also a key aspect of cross browser compatibility testing as it plays a critical role in how the application will display. What Is Covered Under Cross Browser Compatibility Testing?

Website 65

Website Benchmarking Operating System Testing Tools 65

Percona

AUGUST 22, 2023

Some of the most important elements include: No single point of failure (SPOF): You must eliminate any SPOF in the database environment, including any potential for an SPOF in physical or virtual hardware. Without enough infrastructure (physical or virtualized servers, networking, etc.), there cannot be high availability.

Availability 77

Availability Hardware Open Source Database 77

Rigor

FEBRUARY 19, 2020

One of the key benefits of synthetic monitoring is that you can define the specific actions of a test, allowing you to walk through key flows of your application like a checkout flow or a sign-up flow, to verify its functionality and performance. Can you manually edit recorded tests or do you need to completely re-record?

Monitoring 59

Monitoring Benchmarking Mobile Traffic 59

Adrian Cockcroft

JUNE 21, 2022

Another big jump, but now it was my job to run benchmarks in the lab, and write white papers that explained the new products to the world, as they were launched. I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Percona

SEPTEMBER 1, 2023

Testing and Validation : Thorough testing and validation are essential when working with triggers, especially in a production environment. Changes to triggers should be carefully reviewed and tested to ensure they do not introduce unintended consequences. Carefully design transactions to avoid unnecessary locking and contention.

Cache 59

Cache Database Games Healthcare 59

HammerDB

NOVEMBER 30, 2018

This article Threads Done Right… With Tcl gives an excellent overview of these capabilities and it should be clear that to build a scalable benchmarking tool this thread performance and scalability is key. The agent directory contains the agent code to be run on the system under test to gather the CPU utilisation information.

Architecture 40

Architecture Virtualization Open Source C++ 40

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. Lower is better.

Media 145

Media Games Education Engineering 145

VoltDB

JUNE 1, 2017

It was – like the hypothetical movie I describe above – more than a little bit odd, as you could leave a session discussing ever more abstract layers of virtualization and walk into one where they emphasized the critical importance of pinning a network interface to a specific VM for optimal performance.

Hardware 56

Hardware Latency Virtualization Cloud 56

Enprowess

SEPTEMBER 20, 2021

Like React, Vue features two-way binding, uses components and a virtual DOM. They use lazy loading to extend performance rates and reduce loading times and code refreshes via virtual DOMs. Its component-based design lets you write code that renders on iOS, Android, and the web. Depending on your requirements, Vue.js

Open Source 52

Open Source Mobile Scalability Google 52

VoltDB

JUNE 1, 2017

It was – like the hypothetical movie I describe above – more than a little bit odd, as you could leave a session discussing ever more abstract layers of virtualization and walk into one where they emphasized the critical importance of pinning a network interface to a specific VM for optimal performance.

Hardware 40

Hardware Latency Virtualization Cloud 40

Alex Russell

MAY 9, 2022

Design: Performance is the gap between Figma mockups and the user experience of products for many, but not all , users. The extent to which a product performs well, the higher its likelihood of behaving in accordance to the approved design spec. Consistent performance matters just as much as low average latency.

Performance 86

Performance Latency Metrics Engineering 86

ScaleOut Software

MAY 15, 2014

Testing Scale-Up Performance. Well, performance comparisons aren’t so easy since the AppFabric license agreement states: “You may not disclose the results of any benchmark tests of the software to any third party without Microsoft’s prior written approval.” A Few Words on Design Philosophy: Keep It Simple.

Cache 40

Cache Servers Network Design 40

Smashing Magazine

JANUARY 11, 2021

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. You can then mimic the 90th percentile’s experience for testing. Quick Wins.

Performance 145

Performance Cache Media Metrics 145

SQL Server According to Bob

JANUARY 11, 2020

​​ With new ​​ innovations ​​ come ​​ new terms, designs, ​​ and ​​ algorithms. This is different from ​​ the reference count design ​​ that was ​​ used in SQL Server 7.0 and ​​ 2000.

Servers 40

Servers Cache Database Media 40

SQL Server According to Bob

JANUARY 11, 2020

The BPool consumes the majority of the user mode address space leaving only a few 100 MB of the virtual address range free for thread stacks, DLLs, and other activities. The I/O and transactional design of SQL Server ensures that the ACID properties are fully maintained. With the older design, an elevator seek can be a problem.

Servers 40

Servers Cache Media Hardware 40