Worth the effort (in general) for a baord with 100- 150 online?

This hack is worth the effort if you need to reduce your load. If you've got 150 users but no load problems, then it's not really necessary. If you're load is above 2, then this hack should help a little. ;)

I get edgy when our load goes above 1.2, so I'm going to put this hack in tomorrow and see how we do. :)

Well, after about 18 hours of high load today (shared server), I got this email:
5500 MySQL queries distilled into 280 -- now that's what I call efficiency. :bunny:

What are your settings all around?

My settings? Which ones?

The 3 settings for the script.

I'm using the default settings. :)

After a little bit of tweaking with the settings, I'd say this works rather well :)

1149 Total Views (original number of write queries)
308 Threads (new number of write queries)

841 Writes Avoided (73% avoided)

Congratulations on a fantastic hack!

Fantastic hack :)