After working on bloated systems at all my day jobs (pick any company) I go home at night and try to figure out how to use delta compression and trees to reduce

After working on bloated systems at all my day jobs (pick any company) I go home at night and try to figure out how to use delta compression and trees to reduce storage costs on large datasets so I can fit them on $5 VPS or raspberry pi attached storage. It's so satisfying to use 10,000x less resources to do something like full text search or handle 1,000 tps.