Fs-Tail is a simple library we wrote that provides tail -f-like functionality using Node’s v0.10+ streams and fs modules. Install via npm:

npm install fs-tail

As ClassDojo has grown, we’ve spent a lot of time improving our analytics infrastructure. An important part of those efforts has been building a pipeline that can quickly transfer hundreds of gigabytes of data from our primary Mongo cluster to Redshift.

This is the last part of my 3-part series on production-quality Node.js web applications. I've decided to leave error-prevention to the end, because while it's super-important, it's often the only strategy developers employ to ensure customers have the most defect-free experience as possible. It's definitely worth checking out parts I and II if you're curious about other strategies and really interested in getting significant results.

This is the second part of a three part series on making node.js web apps that are (what I would consider to be) production quality. The first part really just covered the basics, so if you're missing some aspect covered in the basics, you're likely going to have some issues with the approaches discussed here.