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Lee's Blog Posts

4 Miles Every 4 Hours for 48 Hours

I recently attempted David Goggin’s 4x4x48 challenge, which is to run 4 miles every 4 hours for 48 hours. I recorded some video clips along the way and produced this video of the journey.

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Best of June 2020

It’s starting to get hot. Here are some things I came across in the month of June that I thought were pretty cool. Scott Hanselman – Scaling Yourself Scott kept it real in this talk. He provided some great tips on how to take care of yourself and be more…

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The Last Two Weeks

I recently put in my two-week notice at a company where I have been working as a devops engineer for the past year. I want to reflect one some of the thoughts and realizations that I’ve experienced in these final days. First off, it’s important to know that our company…

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Notes on Database Replication

Benefits of replication Increase availability – if one database goes down, it doesn’t bring down the entire system. Reads can start being sent to the replica. Decrease latency – having a replica database geographically closer to a user provides a faster response (e.g CDNs) Increase throughput – Having more databases…

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Presigned URLs on S3

By default, objects on S3 are private. But what if you want to allow others to download an object, but you don’t want to deal with user creation and IAM policies? One way to achieve this is by distributing a presigned URL to the object. A presigned URL is a…

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Best of May 2020

May was a very challenging month for me, and millions of other people around the world. As one of my friends told me, These days I’m finding it hard to answer even the most basic questions, like, “How’s it going?” Despite it all, there were a few things that I…

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