On Wed, May 4, 2016 at 1:22 PM, Dominique Devienne <ddevienne at gmail.com> wrote: > On Wed, May 4, 2016 at 1:13 PM, Rob Willett > <rob.sqlite at robertwillett.com> wrote: >> Thanks for the reply, >> >> Yes Example 2 in https://www.sqlite.org/backup.html is what we are talking >> about. It was very slow to run for us. > > Then maybe https://www.sqlite.org/rbu.html is your last chance.
Unless you invest into writing your own VFS, which is thus fully aware of page writes and can "tee" those to the actual file, but also queue the written pages to be written (or sent on network) to the backup destination. But an SQLite VFS is tricky business... --DD