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Lee's Blog Posts

Best of July 2020

July has been an eventful, challenging, and transformative month. It’s been hot and humid in Brooklyn; getting up into the 90s. I started a new job at Autodesk, but before I started I went on a week-long trip to Laurel Park, North Carolina. I have been dealing with a foot…

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Opening a jar

The idea I was working on a bash script that copied a bunch of jar files from S3. As a person who has avoided Java so far in my career, I don’t know much about jar files, JVM, etc. But I was curious what was inside these jar files, so…

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Hadoop Notes

I just started a new job and need to learn about the “big data” ecosystem. I’m writing this post to reinforce some learning, improve my memory retention, and to create a reference for myself (and others?) to use in the future. What is Hadoop? Tries to bring compute as close…

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Wireshark Filters

Wireshark is an awesome tool that lets you look at network activity. It captures packets of data leaving and entering a network and displays them in a graphical user interface. I’ve found Wireshark to be an invaluable learning tool. I’ve used it to help me understand network protocols, such as…

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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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