Tag Archives: python

Building a cluster discovery service with AWS Lambda and DynamoDB

AWS LambdaIn this post I describe how I built a serverless cluster discovery service for rqlite, the distributed relational database built on SQLite.

Built using the AWS API Gateway service, AWS Lambda, and DynamoDB, it means rqlite nodes no longer need to be passed the network address of an existing node in a cluster, and can instead connect automatically.

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Monitoring Storm Kafka Spouts using Python

kafka-logo-tallWhen running a large real-time processing system, monitoring is critical. But it does more than allow you to keep an eye on your system. During development it allows you test hypotheses about how it works, how it performs when certain parameters are changed, and takes the guessing out of working with dynamic systems.

Storm, a real-time computational framework open-sourced by Twitter, is such a system and comes with a Spout, allowing messages to be streamed from a Kafka Broker.

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My guidelines for reusable Django applications

djangoI came to Django development from much lower-level development — embedded software, device drivers, and system software. What has impressed me most about Django (and python in general) is the manner in which it guides you to do the right thing in terms of code construction. The framework and language naturally make you think about better ways to express your designs.

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