【AWS】AutoScalingを使う際の注意点についてまとめてみました | DevelopersIO
はじめに こんにちは植木和樹です。既存システムのAWS移行の仕事などをやっていると、移行時にAutoScaling構成にすべきかどうか？という検討をする機会があります。AutoScalingにしておくと高負荷や障害にも強いシステムが構成できるのですが、システム移行となると色々と既存構成を変更しなければならないことが多いです。 そこで今回はこれまで関わった案件でAutoScaling化する上で検討しなければならなかった点を、頭の中の整理を兼ねてまとめてみました。 AutoScalingとはなにか？ 「Auto Scaling （仮想サーバーAmazon EC2 の処理能力の自動拡張・縮小機能）| アマゾン ウェブ サービス（AWS 日本語）」では3つのユースケースが紹介されています。 Amazon EC2 群を自動的に縮小・拡張 規模を固定して Amazon EC2 群を管理 Elastic
Benchmarking High Performance I/O with SSD for Cassandra on AWS
by Adrian Cockcroft Today AWS has launched a new Solid State Disk (SSD) based instance that addresses the need for high performance I/O, and we have run a few initial benchmarks to see how it shapes up. With this announcement AWS makes it easy to provision extremely high I/O capacity with consistently low latency. AWS has been competitive in instance memory capacity for a long time and is leading
EC2 Security
One thing that concerns me about using any online service is the security. When that service is a virtual server running in another country the risks are greater than average. I’m currently investigating the Amazon EC2 service for some clients, and naturally I’m concerned about the security. Firstly they appear to have implemented a good range of Xen based security mechanisms, their documentation
Amazon Web Services Developer Community : Tips for Securing Your EC2 Instance
Hosts on the Internet are vulnerable to attack, including your EC2 instances. This article outlines a number of best practices for helping you secure your instances. AWS Products Used: By Kuyper Hoffman, Amazon Web Services Introduction Just as any host on the Internet, your EC2 instances are vulnerable to attack. While the EC2 firewall is a very powerful tool for securing your instance fro
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