Configure DB read replica and routing - #1227
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slint
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| SQLALCHEMY_DATABASE_URI = "postgresql+psycopg2://zenodo:zenodo@localhost/zenodo" | ||
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| # fmt: off | ||
| ZENODO_UI_READ_ONLY_ENDPOINTS = [ |
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These need a second look. I removed from the initiali list all the POST/PUT/DELETE routes and did a manual pass to make sure none of these routes have hidden DB writes (like e.g. the /confirm route).
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Are you observing high traffic in all these endpoints? Otherwise you can evaluate adding only a subset of those and then progressively expanding it.
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Not really, but I thought narrowing down all the read endpoints and filtering afterwards will make sure we don't miss anything (like e.g. the legacy redirect endpoints, which are linked to around the web already).
| if IS_LOCAL_DEV: | ||
| SQLALCHEMY_BINDS = { | ||
| "read_replica": "postgresql+psycopg2://zenodo_ro:zenodo_ro@localhost/zenodo" | ||
| } | ||
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| DB_SESSION_BIND_FUNC = routed_bind |
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This needs some additional thought regarding how it will be rolled out for QA/Production via env config
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