In a recent blog post, Uber detailed why they have chosen to replace PostgreSQL with MySQL. In this article we present a high level overview of the problems they faced, how MySQL fares against them and some of the best rebuttals against the case presented by Uber.
Microsoft has released an updated checklist for high-availability (HA) scenarios in Microsoft Azure with guidance on how to design and manage solutions that use VMs, websites and storage, in cases where great load is expected intermittently or consistently.
Elixir 1.3, recently announced by José Valim, deprecates imperative assignments and adds new types and accessors, improves its Mix build tool and the ExUnit unit testing framework.
GitHub has been quietly rolling out DGit, short for “distributed Git”, a new distributed storage system built on top of Git with the aim of improving reliability, availability, and performance of using GitHub.
After 8 years of development, Lisp Flavoured Erlang (LFE) has reached version 1.0, bringing stable support for Lisp programming on the Erlang virtual machine (BEAM). LFE was created by Robert Virding, one of the initial developers of Erlang. InfoQ has spoken with Duncan McGreggor, current maintainer of LFE.
Caitie McCaffrey, distributed systems engineer at Twitter, talked about the benefits of stateful services which are less known than their stateless counterparts in the industry and how they can be scaled at the Strange Loop conference. The benefits include data locality and higher availability and stronger consistency models. McCaffrey also gave real world examples of stateful services.
DigitalOcean recently introduced floating IPs that can be manually reassigned to any Droplet – what DigitalOcean calls a virtual machine – within a data center. While neither novel nor a standalone high-availability solution, this service fills a gap for the fast-growing cloud provider.
Amazon Web Services recently introduced VPC endpoints to enable a "private connection between your VPC and another AWS service without requiring access over the Internet, through a NAT instance, a VPN connection, or AWS Direct Connect". VPC endpoint policies provide granular access control to other service's resources. Initially available are connections to S3, other services will be added later.
GameAnalytics, maker of a free analytics platform, has recently open sourced gascheduler an Erlang library that provides a generic scheduler for parallel execution of distributed tasks. InfoQ has spoken to Chris de Vries, one of gascheduler’s creators.
Matt Ranney, Chief Systems Architect at Uber, gave an overview of their dispatch system, responsible for matching Uber's drivers and riders. Ranney explained the driving forces that led to a rewrite of this system. He described the architectural principles that underpin it, several of the algorithms implemented and why Uber decided to design and implement their own RPC protocol.
At the Bacon Conference last May, bitly Lead Application Developer Sean O'Connor explained the most relevant lessons bitly developers learned while building a distributed system that handles 6 billions clicks per month.
Mobile Backend as a Service provider AnyPresence continues to hone their chops. Launching the fifth update to their self-titled platform geared for the enterprise. Co-founder Rich Mendis provides some insights for InfoQ readers…