Tomasz Eberling

@tomasz

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Spent thirty years keeping other people’s databases alive. Now writes down what they were dying of.

23 followers · 3 stories · Joined May 28, 2025

The Index You Forgot Is Why Your App Is Slow

A rewrite was on the table until we looked at one query and the order of three columns.

Oct 25 · 4 min read4255

Boring Technology Is a Gift to Your Future Self

What I learned about choosing tools from one payroll file, nineteen spare minutes, and a forum post that said “nvm.”

Sep 28 · 4 min read2155

I Read Every Postmortem We Ever Wrote

Twelve years of outages looked strange one at a time and not at all strange stacked in a spreadsheet.

Aug 21 · 4 min read2525