[GNC] I'm still a bit confused about when things get saved.

[will at theprescotts.com]

The modern MacOS is pretty amazing at preserving work in most apps now even if you have not saved to disk. I have shut down my computer with unsaved changes and they are still there when it reboots. And where I live power failures are common and I am not on a UPS (long story there). So even when the computer is killed by a power failure, when it comes back up I can see almost all the recent unsaved changes. I might lose a word or two if I am typing when the power goes off, but that is about it. It is pretty amazing to someone like me who remembers when pulling the plug on a computer meant you not only lost everything unsaved but you had to wait 15 or 20 minutes for the disk to recover after a power failure.

Will

On 2020 Sep 10, at 09-10 17:12:09, Adrien Monteleone <adrien.monteleone at lusfiber.net> wrote:

Interesting, I haven't experienced this (though I have experienced crashes, outages are handled by my UPS) but I am on an SSD, so maybe you are on to something.

Regards,
Adrien

On 9/10/20 10:18 AM, R. Victor Klassen wrote:
> At least on the Mac, there’s no guarantee that it is physically written to disk immediately.  I’ve experienced a handful of posted and printed invoices disappearing due to a power outage.  Probably less likely to happen on a system with an SSD drive, as there’s not as much reason to wait to flush disk buffers to disk.  This would be an issue with the SQLite implementation, likely not in GnuCash directly.
>> 
>> Correct, this is "commiting" the transaction.  At this stage it will only
>> go into the in-memory cache of your data.  It is not written to disk
>> (unless you're using a SQL backend -- that's one of the two main
>> differences between SQL and XML-File storage).
>> You can do this by using Reply-To-List or Reply-All.

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