Scalegrid
AUGUST 22, 2019
In our previous blog posts, we discussed the capabilities and functioning of PostgreSQL Automatic Failover (PAF) by Cluster Labs and Replication Manager (repmgr) by 2ndQuadrant. In the final post of this series, we will review the last solution, Patroni by Zalando, and compare all three at the end so you can determine which high availability framework is best for your PostgreSQL hosting deployment.
DZone
AUGUST 22, 2019
It is great if vendors provide a starting point for my own projects. A working ‘blinky’ is always a great starter. Convenience always has a price, and with a ‘blinky’ it is that the code size for just ‘toggling a GPIO pin’ is exaggerated. For a device with a tiny amount of RAM and FLASH this can be concerning: will my application ever fit to that device if a ‘blinky’ takes that much?
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Uber Engineering
AUGUST 22, 2019
As Uber Freight marked its second anniversary, we went back to the drawing board to redesign its app. The original carrier app was successful for owner-operators with one or two drivers, but it wasn’t optimized for larger fleets—feedback we … The post Building the New Uber Freight App as Lists of Modular, Reusable Components appeared first on Uber Engineering Blog.
DZone
AUGUST 22, 2019
Alluxio is an open-source data orchestration system for analytics and AI workloads. Distributed applications like Apache Spark or Apache Hive can access Alluxio through its HDFS-compatible interface without code change. We refer to external storage such as HDFS or S3 as under storage. Alluxio is a new layer on top of under storage systems that can not only improve raw I/O performance but also enables applications flexible options to read, write and manage files.
The Morning Paper
AUGUST 22, 2019
Learning to prove theorems via interacting with proof assistants Yang & Deng, ICML’19. Something a little different to end the week: deep learning meets theorem proving! It’s been a while since we gave formal methods some love on The Morning Paper, and this paper piqued my interest. You’ve probably heard of Coq , a proof management system backed by about 30 years of research and developed out of INRIA.
SQL Shack
AUGUST 22, 2019
Introduction SQL Server Integration Services provides a wide variety of features that helps developers to build a robust Extract, Transform and Load process. After many years contributing to SSIS related tags on Stackoverflow.com, I can say that many developers have some misunderstanding about SSIS features (SSIS OLE DB Source, SSIS Expressions, SQL Server destination …) […].
CSS - Tricks
AUGUST 22, 2019
In this week's roundup, how to determine a slow connection, what we should put into alt text for images, and a new polyfill for the HTML loading attribute, plus more. Detecting users on slow connections. Algolia is using the Network Information API (see the API ’s Chrome status page ) to detect users on slow connections — about 9% of their users — and make the following adjustments to ensure a good user experience: increase the request timeout when the user performs a search query (a static time
The Netflix TechBlog
AUGUST 22, 2019
Baking Windows with Packer By Justin Phelps and Manuel Correa Customizing Windows images at Netflix was a manual, error-prone, and time consuming process. In this blog post, we describe how we improved the methodology, which technologies we leveraged, and how this has improved service deployment and consistency. Artisan Crafted Images In the Netflix full cycle DevOps culture the team responsible for building a service is also responsible for deploying, testing, infrastructure, and operation of t
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