aws

In this blog post I’ll compare different CDNs with each other, on the list are: Akamai (through MySpace) CacheFly CloudFront EdgeCast (twice, through Speedyrails) LimeLight Networks (through mydeo) … and Amazon S3 — the pseudo CDN Thanks to SpeedyRails, EasyBib (CacheFly, Cloudfront, S3) and mydeo for helping with these tests. What’s a CDN? A CDN (Content Delivery Network) is a service usually offered by Tier1’s or at least companies that have a so-called global network footprint....

I recently had the pleasure to setup an RDS instance and it took me a while to figure out what the --ec2-security-group-owner-id parameter needs to be populated with when you want to allow access to your RDS instance from instances with a certain security group. To cut to the chase, you need to log into AWS and then click the following link — done.

One of our biggest issues with CouchDB is currently the lack of compaction of our database, and by lack of, I don’t mean that CouchDB doesn’t support it, I mean that we are unable to actually run it. Compaction in a nutshell Compaction in a nutshell is pretty cool. As you know, CouchDB is not very space-efficient. For once, CouchDB saves revisions of all documents. Which means, whenever you update a document a new revision is saved....

I’ve been wrestling with a couple views in CouchDB currently. This blog post serves as mental note to myself, and hopefully to others. As I write this, i’m using 0.9.1 and 0.10.0 in a production setup. Here’s the environment: Amazon AWS L Instance (ami-eef61587) Ubuntu 9.04 (Jaunty) CouchDB 0.9.1 and 0.10.0 database size: 199.8 GB documents: 157408793 On to the tips These are some small pointers which I gathered by reading different sources (wiki, mailing list, IRC, blog posts, Jan …)....

RightScale provides all kinds of things — from a pre-configured MySQL master-slave setup (with automatic EBS/s3 backups), to a full LAMP stack, Rails app servers, virtually all kinds of other pre-configured server templates to a nifty auto-scaling feature. We decided to leverage RightScale when we planned our move to AWS a couple months ago in order to not have to build everything ourselves. I’ve been writing this blog entry for the past five weeks and here are some observations, thoughts and tips....