{"ref":"content:cap-lessons-learned-sqlite-is-single-threaded-hana-is-not","page":"/content/cap-lessons-learned-sqlite-is-single-threaded-hana-is-not","json":"/content/cap-lessons-learned-sqlite-is-single-threaded-hana-is-not.json","generated":"2026-10-30","drafted_with_ai":true,"entity":{"id":"cap-lessons-learned-sqlite-is-single-threaded-hana-is-not","title":"SAP CAP Lessons Learned: SQLite is single threaded, HANA is not","url":"https://community.sap.com/t5/technology-blog-posts-by-members/sap-cap-lessons-learned-sqlite-is-single-threaded-hana-is-not/ba-p/13972788","content_type":"blog","explains":[{"ref":"capability:database-connectors","applies_to":{"ecosystems":["cap"]}},{"ref":"capability:local-development","applies_to":{"ecosystems":["cap"]}}],"summary":"A page long, and one of the more useful pages here: the local database serialises what the deployed one runs in parallel, so concurrency bugs are invisible until they are not. Filed by the author as something the tutorials do not make clear.","short":"Concurrency bugs hidden by single-threaded SQLite versus HANA","author":"LucasMagriniRigo","published":"2025-01-22","sources":[{"url":"https://community.sap.com/t5/technology-blog-posts-by-members/sap-cap-lessons-learned-sqlite-is-single-threaded-hana-is-not/ba-p/13972788","title":"SAP CAP Lessons Learned: SQLite is single threaded, HANA is not — SAP Community","checked":"2026-09-08"}],"provenance":{"discovered_via":[{"source":"source:sap-community","channel":"cap-tag"}],"first_seen":"2026-09-08"},"drafted_with_ai":true,"published_on":"source:sap-community","history":[{"date":"2026-10-17","field":"explains","from":null,"to":"applies_to on capability:database-connectors (cap); capability:local-development (cap)","reason":"Door scope proposed from the title and summary, so a door page lists the piece only where it holds (docs/concepts/content-on-doors.md)."}]},"readings":{"liveness":[{"label":"Checked against the source","tier":"unknown","evidence":"nobody has checked it"},{"label":"Source reachable","tier":"unknown","evidence":"not crawled"},{"label":"Age","tier":"fair","evidence":"published 21 months ago"}],"compatibility":[{"label":"Version","tier":"unknown","evidence":"no version declared"},{"label":"Moved since?","tier":"poor","evidence":"@sap/cds 10.1.0, 2026-09"},{"label":"Findings","tier":"good","evidence":"none flagged"}],"reach":[{"value":954,"unit":"views"},{"value":0,"unit":"comments"},{"value":3,"unit":"likes"}]},"signals":{"views":954,"likes":3,"comments":0,"metrics_at":"2026-10-25"},"series":null,"edges":{"authors":[]}}