Blog Archives

DevOps Day: When Success is 99% Failover – How Availability Can Persist in the AWS Cloud When Network Events Also Persist in an EC2 / RDS Region

Some might refer to today as a DevOps Day… and to those who haven’t figured out their failover strategy, today might seem like the day the cloud stood still. But if you’re familiar with Internet service at large, you’ve seen

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Posted in cloud computing, content distribution, Test-Driven DevOps Design

Benchmarking Nginx in the cloud

Summary 11,969 http requests handled @ 84 nanoseconds across 100 concurrent connections? Yeah. Here’s what happened: root@ip-10-161-82-11:/var/www/nginx-default# ab -n 1000000 -c100 http://localhost:80/ This is ApacheBench, Version 2.3 Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software

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Posted in cloud computing, performance analysis

Experimenting with Backups: From EC2 (or any networked unix box) to S3

If you’re wondering if there’s a difference between backups in the Service-oriented Cloud and backups that the rest of the world is familiar with… well… there are 5 key differences mostly stemming from the fact that cloud backups are service-based

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Posted in cloud computing, systems design for scale

Automatic Cloud Backups: How to copy your Amazon EC2 instance snapshots into S3 bit buckets.

Now with cloud computing you can delete entire computers with a touch of a button! So what if it happens by accident? No problem, you have a backup… right? Here is a script you may find useful for when you

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Posted in cloud computing, systems design for scale
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