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Have you been experiencing slow MySQL startup times in GTID mode? We recently ran into this issue on one of our MySQL hosting deployments and set out to solve the problem. In this blog, we break down the issue that could be slowing down your MySQL restart times, how to debug for your deployment, and what you can do to decrease your start time and improve your understanding of GTID-based replication.
In Part I , we introduced a High Availability (HA) framework for MySQL hosting and discussed various components and their functionality. Now in Part II, we will discuss the details of MySQL semisynchronous replication and the related configuration settings that help us ensure redundancy and consistency of the data in our HA setup. Make sure to check back in for Part III where we will review various failure scenarios that could arise and the way the framework responds and recovers from these cond
One question I’ve seen posed a few times in the past several months is whether performance really is a moral or ethical concern, or if that’s all heavy-handed exaggeration. It’s a fair question, I suppose. Advocates of any technique or technology can be a bit heavy-handed when it suits them if they’re not being careful–myself included.
Prior to my Automation Guild conference each year, I survey the community about the issues they're struggling with. I also speak with many testing thought leaders on my weekly Test Talks podcast.
Wake up! It's HighScalability time: The modern day inner sanctum revealed for all to experience. Nausea no extra charge. Do you like this sort of Stuff? Please support me on Patreon. Need cloud? Consume Explain the Cloud Like I'm 10 (35 nearly 5 star reviews). 8x : V8 Promiss.all parallel performance improvement; 1.3% : print sales increase; 11% : over 65 shared a hoax; 40% : add jobs after deploying AI; 3% : Eventbot's revenue pledged to open source; 51% : successful Ethereum attack; $308,620 :
Not too long ago I had written a tutorial titled, U2F Authentication with a YubiKey Using Node.js and jQuery , which demonstrated how to use hardware keys as a means of universal two-factor (U2F) authentication. However, I had left some things to be desired in that previous post. For example, the previous tutorial did not use proper session management with Express.js and it used jQuery, which is neat, but by no means is as popular as some of the other web frameworks that currently exist.
Some may see testing as a fairly boring and static set of practices, but the leaders in this space know that it is a vibrant discipline that is constantly improving every year, thanks to exciting new techniques made possible by better automation tools and artificial intelligence.
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Technology Performance Pulse brings together the best content for technology performance professionals from the widest variety of industry thought leaders.
Some may see testing as a fairly boring and static set of practices, but the leaders in this space know that it is a vibrant discipline that is constantly improving every year, thanks to exciting new techniques made possible by better automation tools and artificial intelligence.
In Part I, we introduced a High Availability (HA) framework for MySQL hosting and discussed various components and their functionality. Now in Part II, we will discuss the details of MySQL semisynchronous replication and the related configuration settings that help us ensure redundancy and consistency of the data in our HA setup. Make sure to check back in for Part III where we will review various failure scenarios that could arise and the way the framework responds and recovers from these condi
Tree shaking is a strategy web developers use to create leaner JavaScript bundles by getting rid of unused code. This guide will explain how to utilize tree shaking to your advantage with a module bundler such as webpack. What is Tree Shaking? Tree shaking, also known as live code inclusion, is a technique for optimizing code written in ECMAScript dialects like JavaScript.
The simplicity of use of Dareboost is frequently highlighted by our customers. After working with dozens of them to get valuable feedback, we’re very proud to announce a new release of our User Journey Monitoring (Scenario) feature. Let’s discover why and how you should start using it to better monitor your Digital Customer Experience!
When it comes to a software development and testing procedure, a single flaw can prove fatal. Thus, in making reliable software and its development, large business bodies utilize the best QA Company,which keeps them to remain out of harm’s way. At present, according to the best software testing companies, there are various automated software testing … The post Tips to Enhance the Efficiency of Software Testing Process appeared first on QA Mentor Blog.
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People often ask me about the best tool or language to learn when they are starting out or trying to advance their career in test automation. Should they learn Java? Do they need training in Selenium? What about tools such as Cucumber and SpecFlow?
I’ve mentioned this numerous times before, but The Polyglot Developer is powered by Hugo which is a static site generator that takes Markdown and converts it to HTML. While Markdown is easy to use and can accomplish quite a bit, the syntax doesn’t accomplish everything that you’d hope to accomplish when it comes to a website. For example audio and video aren’t a thing in Markdown while it is in HTML.
When it comes to agile estimation, quite often agile teams spend a big chunk of their time in heavyweight processes like detailed story point estimation to improve the predictability or accuracy of their estimates. In other words, agile teams invest more time in estimation to reduce that variance (i.e. time estimated vs. time taken) which otherwise can be used to create features and add business value.
I’m pretty skeptical of AI replacing humans anytime soon, but there is no denying that AI is capable of things that humans aren’t. Computers are unmatched in their ability to run brute force calculations. Theoretically, a human could perform Google’s PageRank algorithm. Yet, it would take a human millions of times more time than a computer to do so and the monotony would result in human error.
As part of my attempt to become organized in 2019, I found several draft blog entries that had never been completed and made public. This week I updated three of those posts — two really old ones (primarily of interest to computer architecture historians), and one from 2018: July 2012: Local and Remote Memory Latency on AMD Processors in 2-socket and 4-socket servers.
Some opinions claim that “Benchmarks are meaningless”, “benchmarks are irrelevant” or “benchmarks are nothing like your real applications” However for others “Benchmarks matter,” as they “account for the processing architecture and speed, memory, storage subsystems and the database engine.” So who is right?
Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Vitaly Friedman. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are?
I’m pretty skeptical of AI replacing humans anytime soon, but there is no denying that AI is capable of things that humans aren’t. Computers are unmatched in their ability to run brute force calculations. Theoretically, a human could perform Google’s PageRank algorithm. Yet, it would take a human millions of times more time than a computer to do so and the monotony would result in human error.
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