PlanetScale × Cash App (Block)
PlanetScale x Cash App, boring cutover at 4M QPS
400TiB and 4 million QPS across 400 shards with reduced operational overhead
Manual infrastructure burden to streamlined managed operations
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Why it works
The piece earns credibility by naming the exact scale (400 shards, 400TiB, 3-4M QPS) rather than speaking in generalities. The before-state is specific: a forked Vitess version, manual error-prone processes, and hardware that could not keep pace. The standout quote about the cutover being 'almost comically boring' is a genuine information-carrying line that signals both the migration risk and its successful management.
Steal this
The 'boring cutover' quote reframes a high-stakes migration as a success precisely because nothing dramatic happened. Using a negative outcome that did not occur as the proof of competence is a technique worth copying for any migration or resilience story.
Click to enlarge ↗ This is editorial commentary and curation. The case study, screenshot, and all metrics are PlanetScale's published work; we link to the source and lead with our analysis.