issue_comments: 1111462442

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html_url issue_url id node_id user created_at updated_at author_association body reactions issue performed_via_github_app
https://github.com/simonw/datasette/issues/1727#issuecomment-1111462442 https://api.github.com/repos/simonw/datasette/issues/1727 1111462442 IC_kwDOBm6k_c5CP5Iq 9599 2022-04-27T20:40:59Z 2022-04-27T20:42:49Z OWNER

This looks VERY relevant: SQLite Shared-Cache Mode:

SQLite includes a special "shared-cache" mode (disabled by default) intended for use in embedded servers. If shared-cache mode is enabled and a thread establishes multiple connections to the same database, the connections share a single data and schema cache. This can significantly reduce the quantity of memory and IO required by the system.

Enabled as part of the URI filename:

ATTACH 'file:aux.db?cache=shared' AS aux;

Turns out I'm already using this for in-memory databases that have .memory_name set, but not (yet) for regular file-backed databases:

https://github.com/simonw/datasette/blob/7a6654a253dee243518dc542ce4c06dbb0d0801d/datasette/database.py#L73-L75

 
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