https://tessera.arcanelabs.info/ A daily platform-engineering story. One episode a day, roughly seven minutes. en-us Fri, 22 May 2026 04:00:35 GMT Sat, 23 May 2026 12:00:00 GMT https://tessera.arcanelabs.info/season-1/two-failures-one-shape https://tessera.arcanelabs.info/season-1/two-failures-one-shape Sat, 23 May 2026 12:00:00 GMT feature Retries assume the wire still exists; DNS-TTL assumes the endpoint still answers. The us-east replica needs both to be true. https://tessera.arcanelabs.info/season-1/two-regions-by-friday https://tessera.arcanelabs.info/season-1/two-regions-by-friday Fri, 22 May 2026 12:00:00 GMT feature The list everyone has heard and almost nobody walks before the diagram https://tessera.arcanelabs.info/season-1/where-the-data-lives https://tessera.arcanelabs.info/season-1/where-the-data-lives Fri, 22 May 2026 12:00:00 GMT feature The expensive lines on Diego's cost sheet aren't replicas or retries. They're the reads he hasn't yet decided are strong.