Sure. Run it as often as needed. It may block bayes access while it is
running, so if you have a really busy system (and it sounds like you do) you
want to run it often enough to keep the processing time for each shot down
to something reasonable.
Strange thing is that its not a very busy syst
Is it reasonable to set up a cron job that will run "sa-learn" more
frequently than every 24 hours (eg 6 hourly), or is there another
solution to this (short of upgrading my ancient hardware)?
Sure. Run it as often as needed. It may block bayes access while it is
running, so if you have a rea