Hi

Using journal_mode=WAL and synchronous=2, it is my understanding (from
the docs and my own power loss testing) that sqlite will maintain
durability on a power loss.

My question is, if sqlite can guarantee durability with synchronous=2,
why can't it (from reading the docs and other posts) do that with
synchronous=1?

They both perform the checkpoint routine, except synchronous=1 does
the checkpoints with multiple transactions in the WAL file.

Regards
Keith
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