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Document multi-process access - #702
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Note: Vale and link-check CI results weren't accessible in this review environment, so spelling/terminology/link findings from those checks aren't covered here — please confirm they pass separately. |
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benitav
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Oct 20, 2026
benitav
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Oct 20, 2026
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The two links work in a local preview for me, their definition is at the bottom of the page |
benitav
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This documents extra considerations to be aware of when a client-side SQLite database with PowerSync is opened in multiple processes. In particular, this points out that calling
connect()for the same database is a potentially expensive mistake, that multiple writers might block each other withSQLITE_BUSYerrors and that update notifications aren't shared.This also presents solutions, starting with ways to avoid multiple processes, restrictions that make multi-process access safe and workarounds to avoid
SQLITE_BUSYerrors if multiple processes are really needed.AI use: I wrote the initial draft myself, then let Claude fix typos and restructure some things for clarity.