{"type":"analysis","id":"analysis:flow-s-exactly-once-promise-ends-at-the-connector-boundary","slug":"flow-s-exactly-once-promise-ends-at-the-connector-boundary","title":"Flow’s exactly-once promise ends at the connector boundary","description":"YTsaurus Flow coordinates state and queue progress inside YTsaurus transactions, but a pipeline’s source and sink still determine whether that guarantee survives end to end. That boundary matters more than the headline throughput claim.","published_at":"2026-10-07T11:00:00.000Z","updated_at":"2026-10-07T11:00:00.000Z","record_date":"2026-10-07","topics":["trends"],"source_urls":["https://habr.com/ru/companies/yandex/articles/1087470","https://habr.com/ru/articles/1084064","https://github.com/bytedance/deer-flow"],"language":"en","routes":{"html":"https://newruntime.com/analysis/flow-s-exactly-once-promise-ends-at-the-connector-boundary/","markdown":"https://newruntime.com/analysis/flow-s-exactly-once-promise-ends-at-the-connector-boundary.md","json":"https://newruntime.com/analysis/flow-s-exactly-once-promise-ends-at-the-connector-boundary.json"},"author":{"role":"author","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"editorial_provenance":{"desk":"authorial","target_ref":"story_cluster:ytsaurus-flow-open-source-streaming-platform-d10ca74eb940","authorial_article_id":"67b23d15-d984-4a5d-ae5f-d0fbf401f5c0"}}