Building a Fault-Tolerant Migration Pipeline for Wallet Logs

<blockquote> <p><strong>Three words that engineers use interchangeably and shouldn't:</strong><br /> <strong>Migration</strong> is a one-time move — different system, different

<p><strong>Authors:</strong> <a href="mailto:srastatter@google.com">Sean Rastatter</a>, <a href="mailto:rawanbadawi@google.com">Rawan Badawi</a></p> <p>Why do so many enterprises

<p>Phase 1 is never 'lift and shift.' Here's the framework that keeps production stable throughout the entire move.</p> <p>After leading migrations for organizations ranging from

<p><strong>Disclaimer</strong>: The views and opinions expressed in this article are strictly my own and do not reflect the official policy or position of my employer. The

<p>A few months ago I decided to build a reusable engine to make financial reconciliation easier. I had already done reconciliation work for companies in West Africa, closing out

<p>As I mentioned in <a href="https://dev.to/dvddpl/no-time-to-code-ai-as-leverage-for-engineering-leadership-274i">my previous post about engineering leadership and AI</a>, I'm

<h2> The Problem We Were Actually Solving </h2> <p>We had built the Treasure Hunt Engine to power in-game treasure hunts that reward players for exploring content. At 100 000

<p><em>B-tree internals, column order and planner statistics in Postgres 19, checked against MongoDB's ESR rule.</em></p> <p>Most "add an index" advice stops at <code>CREATE