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by bjornsing
701 days ago
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> those tricks ensure that there's enough WAL entries to allow people to pick with per-second granularity How can they ensure that? Sounds more like they ensure that people can pick point in time with minute granularity. I’m no expert, but doesn’t postgres write a timestamp with each record in the WAL? I know that when you start postgres in recovery mode it lets you specify a timestamp you want to restore to, and I don’t think that timestamp needs to be on a WAL file boundary. (So the tricks seem weird / unnecessary to me.) |
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