Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop. This will slow this test a little.) Trying it out: centos$ time java TimeBench.

Speed 126

Speed Java AWS Virtualization 126

HammerDB

OCTOBER 18, 2019

HammerDB doesn’t publish competitive database benchmarks, instead we always encourage people to be better informed by running their own. So over at Phoronix some database benchmarks were published showing PostgreSQL 12 Performance With AMD EPYC 7742 vs. Intel Xeon Platinum 8280 Benchmarks . uname -a Linux ubuntu19 5.3.0-rc3-custom

Benchmarking 63

Benchmarking Performance Hardware C++ 63

HammerDB

OCTOBER 12, 2018

This post complements the previous best practice guides this time with the focus on MySQL and MariaDB and achieving top levels of performance with the HammerDB MySQL TPC-C test. InnoDB is the storage engine that will deliver the best OLTP throughput and should be chosen for this test. . GHz.

Best Practices 40

Best Practices Scalability Performance C++ 40

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop. This will slow this test a little.) Running this on the two systems saw similar results.

Speed 52

Speed Java AWS Virtualization 52

Speed Curve

MAY 1, 2023

You can then configure your monitoring tools to send you alerts – or even break the build, if you're testing in your staging environment – when your budgets are violated. INP logs the latency of all interactions throughout the entire page lifecycle. What should a performance budget look like?

Performance 98

Performance Metrics Media Google 98

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop. This will slow this test a little.) include <sys/time.h>

Speed 40

Speed Java AWS Virtualization 40

Rigor

OCTOBER 30, 2019

When you run Lighthouse, you can choose to receive up to five different scores, including SEO, Best Practices, Progressive Web App (PWA), Accessibility, and Performance , that can provide valuable insight for your dev team to act on. Even better, Rigor holds that performance data for 2 years.

Google 51

Google Best Practices Energy Website 51

SQL Server According to Bob

JANUARY 11, 2020

Pull-the-plug ​​ power ​​ outage testing ​​ Power outage testing ​​ is ​​ a fundamental and critical part of the administrator’s data safety and integrity requirements. ​​ Incorrect configurations lead to data loss.

Servers 40

Servers Cache Database Media 40

KeyCDN

JUNE 20, 2019

eCommerce Conversion Rate Benchmarks First off, we’ll start with some benchmarks. Online users are becoming less and less patient meaning you as an eCommerce store owner need to implement methods for reducing latency and speeding up your website. This reduces latency and speeds up your website.

Ecommerce 41

Ecommerce Speed Website Mobile 41

Smashing Magazine

JANUARY 11, 2021

Testing And Monitoring Auditing workflow, proxy browsers, 404 page, GDPR cookie consent prompts, performance diagnostics CSS, accessibility. You can then mimic the 90th percentile’s experience for testing. Now you have something measurable to test against. Quick Wins. Download The Checklist (PDF, Apple Pages, MS Word).

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Alternatively, you can also use Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Now you have something measurable to test against.

Performance 145

Performance Cache Network Metrics 145