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Infrastructure & DevOps

The most popular blog posts about infrastructure & devops on Hacker News. 97 posts.

2012
31

Announcing HashiCorp (a Company for Vagrant)

Today I announce the launch of HashiCorp. I am Mitchell Hashimoto, the creator and maintainer of Vagrant, and I am founding HashiCorp to drive Vagrant's development forward. Vagrant has become a trusted tool in the industry in the three years since its release, with users ranging from individuals to entire development…

38

Tarsnap outage post-mortem

When the Tarsnap EC2 instance came back online about an hour later, I found that the abrupt loss of power had resulted in filesystem corruption. As I explained in a blog post in December 2008, Tarsnap stores all user data in Amazon S3, but keeps metadata cached in EC2 . While I could not see any evidence that the…

51

Why Tarsnap won't use DynamoDB

As I've blogged about before, the Tarsnap server code synthesizes a log-structured filesystem on top of Amazon S3 . As a result of this design, for each block of data stored on Tarsnap, the server code needs to keep track of two key-value pairs: First, to map a 64-bit machine number and a 256-bit block ID to a 64-bit…

58

A Tour of Amazon's DynamoDB

Amazon’s recent release of DynamoDB, a database whose name is inspired by Dynamo, the key-value database the distributed datastore they’ve been running in production for a good five to six years now. I think it’s great they’ve finally done it, though from my obverservations, there’s little resemblance of what the…