TL;DR; Amazon AuroraはIn-Memory DBでもなくDisk-Oriented DBでもなく、In-KVS DBとでも呼ぶべき新地平に立っている。 その斬新さたるやマスターのメインメモリはキャッシュでありながらWrite-BackでもなくWrite-Throughでもないという驚天動地。 ついでに従来のチェックポイント処理も不要になったのでスループットも向上した。 詳細が気になる人はこの記事をチェキ! Amazon Aurora Amazon AuroraはAWSの中で利用可能なマネージド(=運用をAWSが面倒見てくれる)なデータベースサービス。 ユーザーからはただのMySQL、もしくはPostgreSQLとして扱う事ができるのでそれらに依存する既存のアプリケーション資産をそのまま利用する事ができて、落ちたら再起動したりセキュリティパッチをダウンタイムなしで(!?)適
Revolutions Milestones in AI, Machine Learning, Data Science, and visualization with R and Python since 2008 Timo Grossenbacher, data journalist with Swiss Radio and TV in Zurich, had a bit of a surprise when he attempted to recreate the results of one of the R Markdown scripts published by SRF Data to accompany their data journalism story about vested interests of Swiss members of parliament. Upo
This article is more than one year old. Older articles may contain outdated content. Check that the information in the page has not become incorrect since its publication. Shortly after its release in 2013, Docker became a very popular open source container management tool for Linux. Docker has a rich set of commands to control the execution of a container. Commands such as start, stop, restart, k
The structure will be short introductions to an issue or topic followed by a discussion with the audience. A limit of 3 slides per presentation is enforced to ensure focus and allocate enough time for discussions. Please use this etherpad to take notes. Microconf leaders will be giving a TWO MINUTE summary of their microconference during the Friday afternoon closing session. Please remember there
A talk presented by Phil Estes & Shaun Murakami, IBM Cloud Open Technologies, at the Barcelona OpenStack Summit on October 25, 2016. This talk covers a new feature that will be available in the Docker 1.13 engine for using the CRIU project to checkpoint and restore container processes on Linux. Phil & Shaun present details of this new capability and then demonstrate a proof-of-concept "live migrat
runCが発表されてから1ヶ月ほど経ちました。 使ってみた系の記事が幾つか出ていますが、ぼくもとりあえずひと通り触ってみたのでやってみたことを簡単にまとめます。 runCとは そもそもrunCとは、Open Container Project によって定義された Open Container Format のランタイムです。 詳しくは下記の記事をご参照頂くとわかるかと思います。 www.publickey1.jp www.publickey1.jp runC を動かしてみる https://runc.io/ に Getting started が載ってますので、こちらに沿ってとりあえず動かしてみます。 なお今回は物理マシン上の trusty で検証しています。 インストール 2015/08/01 時点で v0.0.2 までタグが打たれていますが、runc checkpoint でコケたので
This document summarizes a microservices meetup hosted by @mosa_siru. Key points include: 1. @mosa_siru is an engineer at DeNA and CTO of Gunosy. 2. The meetup covered Gunosy's architecture with over 45 GitHub repositories, 30 stacks, 10 Go APIs, and 10 Python batch processes using AWS services like Kinesis, Lambda, SQS and API Gateway. 3. Challenges discussed were managing 30 microservices, ensur
This article describes the status of CRIU integration with Docker, and how to use it. Docker Experimental[edit] Naturally, Docker wants to manage the full lifecycle of processes running inside its containers, so CRIU should be run by Docker (rather than separately). This feature is available in the experimental mode for Docker (since Docker 1.13, so every later version, like Docker 17.03, should w
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