CSS Wizardry

AUGUST 7, 2019

I’m working on a client project at the moment and, as they’re an ecommerce site, there are a lot of facets of performance I’m keen to look into for them: load times are a good start, start render is key for customers who want to see information quickly (hint: that’s all of them), and client-specific metrics like how quickly did the key product image load?

Latency 269

Latency Ecommerce Servers Website 269

DZone

AUGUST 7, 2019

Software systems nowadays are complex and interconnected with numerous subsystems. If any of the subsystems fails, the whole software system could crash. This is a major risk and can be avoided by end-to-end testing. By providing truthful answers to the What-Why-When questions, in this article, we will walk you through the general knowledge of end-to-end testing, its benefits and how to measure success.

Testing 145

Testing Software Software Systems 145

Uber Engineering

AUGUST 7, 2019

A common axiom among Uber engineers states that building new features is like fixing a car’s engine while driving it. As we scaled up to our present level of support for 14 million trips per day, the car in that … The post Migrating Functionality Between Large-scale Production Systems Seamlessly appeared first on Uber Engineering Blog.

Systems 84

Systems Engineering Architecture 84

DZone

AUGUST 7, 2019

Many times, in Appium we face uncertain issues with the AVD Manager, ADB, Emulators, uiautomatorviewer and with MobileWebScript execution. Common Reasons for Errors. Configuration Errors. Environment Variable. Installation Setup. Browser Driver version and Binary Path. Project Setup: 1) JDK - [link].

Best Practices 100

Best Practices Open Source Testing Tools Mobile 100

MachMetrics

AUGUST 7, 2019

Did you realize that making your site faster is not just great for your sales, it’s also good for the world? Yup – as if there weren’t a million other reasons why having an optimized site is important, you can now take pride in knowing that a fast website: saves energy, reduces economic disparity, increases happiness, and – in the most recent news – can prevent hate.

Website 68

Website Energy Internet Internet 68

Percona Community

AUGUST 7, 2019

Late one evening, I was staring at one of our large MySQL installations and noticed the database was hovering around 7-10 run queue length (48 cores, ~500 gigs memory, fusionIO cards). I had been scratching my head on how to get more throughput from the database. This blog records the changes I made to tune performance in order to achieve a 300% better throughput in MySQL.

Tuning 40

Tuning Database Testing Performance 40