CoreSignal — Engineering signal. Zero noise.https://coresignal.pages.dev/A daily, curated engineering briefing.en-ieMeta Andromeda redesigns ads retrieval around models and hardwarehttps://coresignal.pages.dev/articles/c4d409a1-3fbc-4b98-bdbc-8517853a1302/https://coresignal.pages.dev/articles/c4d409a1-3fbc-4b98-bdbc-8517853a1302/Sun, 15 Nov 2026 22:47:58 GMTMeta’s next-generation Andromeda brings a more capable model to the first stage of ad selection by designing the model, execution pipeline, and GPU use together. The goal is to evaluate a much larger pool of ads without spending proportionally more compute or exceeding the existing latency budget.ai-mlMeta EngineeringDisaster recovery readiness takes more than a scheduled failoverhttps://coresignal.pages.dev/articles/e67cd020-5525-4ca7-bbf9-226930d6e660/https://coresignal.pages.dev/articles/e67cd020-5525-4ca7-bbf9-226930d6e660/Sun, 15 Nov 2026 22:47:58 GMTA disaster recovery plan is a commitment on paper until teams test it. Progressively more demanding exercises reveal different gaps, from unclear ownership to failures that were not anticipated in the plan.distributed-systemsAWS ArchitectureMaking Production Database Traffic Useful for Safer Testinghttps://coresignal.pages.dev/articles/a8a576fa-e5ce-4cd3-a083-b3f256d5d98f/https://coresignal.pages.dev/articles/a8a576fa-e5ce-4cd3-a083-b3f256d5d98f/Sun, 15 Nov 2026 22:47:58 GMTAirbnb built a database traffic capture and replay system around a proxy that already sits between applications and databases. It uses real queries, rather than relying solely on synthetic workloads, to test capacity, compare database behavior and investigate performance problems offline.cloud-infrastructureAirbnb EngineeringTLX gives ML engineers more control over GPU executionhttps://coresignal.pages.dev/articles/4a57f1c1-54a6-4271-aacb-a711bd636dc7/https://coresignal.pages.dev/articles/4a57f1c1-54a6-4271-aacb-a711bd636dc7/Sun, 15 Nov 2026 22:47:58 GMTTriton Low-Level Extensions, or TLX, extends Triton so engineers can organize work across modern GPU execution resources without abandoning its productive programming model.ai-mlMeta EngineeringMaking older time-series data cheaper without changing the query interfacehttps://coresignal.pages.dev/articles/58827444-e26a-484f-9a19-bb6894f54f01/https://coresignal.pages.dev/articles/58827444-e26a-484f-9a19-bb6894f54f01/Sun, 15 Nov 2026 21:04:35 GMTNetflix’s TimeSeries platform separates frequently accessed recent events from older data, moving the latter to object storage while keeping a consistent query interface. Its first approach streams events into a cold tier and reorganizes them for efficient reads. The source also introduces a Cassandra-native approach that uses backups already in object storage.distributed-systemsNetflix TechBlog