OpenGear Networks
Wednesday, 24 August 2016
Interesting Snippets from 2016-08-24
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Context aware MySQL pools via HAProxy - GitHub Engineering
We use HAProxy for various tasks at GitHub. Among others, we use it to load balance our MySQL replicas. Our applications connect to HAProxy servers at :3306 and are routed to replicas that can serve read requests. Exactly what makes a replica able to “serve read requests” is the topic of this post.
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NoSQL Databases: a Survey and Decision Guidance — Baqend Blog
This NoSQL Toolbox allows us to derive a simple decision tree to help practitioners and researchers filter potential system candidates based on central application requirements.
Interesting Snippets from 2016-08-23
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Papa Parse - Powerful CSV Parser for JavaScript
The powerful, in-browser CSV parser for big boys and girls
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Raspberry Pi GPIO Pinout
This GPIO Pinout is designed to be both a quick-reference and a comprehensive guide to your Raspberry Pi's GPIO pins.
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GitHub - firehol/netdata: Real-time performance monitoring, done right!
netdata is a highly optimized Linux daemon providing real-time performance monitoring for Linux systems, Applications, SNMP devices, over the web! It tries to visualize the truth of now, in its greatest detail, so that you can get insights of what is happening now and what just happened, on your systems and applications.
Interesting Snippets from 2016-08-02
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gh-ost: GitHub’s online schema migration tool for MySQL - GitHub Engineering
gh-ost has been developed at GitHub in recent months to answer a problem we faced with ongoing, continuous production changes requiring modifications to MySQL tables. gh-ost changes the existing online table migration paradigm by providing a low impact, controllable, auditable, operations friendly solution.
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Why Uber Engineering Switched from Postgres to MySQL - Uber Engineering Blog
In this article, we’ll explore some of the drawbacks we found with Postgres and explain the decision to build Schemaless and other backend services on top of MySQL.