[GNC] Lightweight multi-user enhancement suggestion

[Steve Butler]

As an Oracle DBA, the locking and queueing structures are very complex --
even to do this at the whole file level.  It is not a lightweight task.

On Fri, Jul 17, 2026, 15:57 Michael or Penny Novack via gnucash-user <
gnucash-user at gnucash.org> wrote:

> On 7/17/2026 12:53 PM, David G. Pickett via gnucash-user wrote:
> >   I don’t think multi-user is trivial to implement. Especially with
> something like this, everyone is going to jump on it and think that it has
> full fledge capabilities when it doesn't.
> >
> A modest suggestion?
>
> Don't even try doing this until AFTER you have studied how done by a
> typical example.  Say SQL allowing multiple simultaneous users to access
> (read) and change (write) to the database. << I'm somebody who in my
> working days USED DB2, wrote batch programs reading and writing to the
> database. Even wrote something to change the STRUCTURE of the database
> (add tables, modify tables, etc.).   BUT (big but) that doesn't mean I
> ever looked at how DB2 itself was coded, how IT prevented all the sorts
> of things that could go wrong with multiple simultaneous users >>
>
> The only simpler part of this (for gnucash) is only a single resource
> being controlled, so SOME potential problems are impossible (example:
> two resources A and B; instance one has a lock on A while instance two a
> lock on B)
>
> Been retired for a wile now, so can't remember how much "concurrent
> processing' is taught at the undergraduate level in Computer Sciences.
>
> Michael D Novack
>
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