> > It looks like 3000 IMAP sessions are going to take around 8 GBytes > > of RAM just to run, and we will need to buy additional RAM for > > buffer cache. This isn't the end of the world: memory is cheap. I'm > > just curious if anyone else saw a similar increase when upgrading > > from 2.3 to 2.4. > > I played a bit fast and loose with memory in 2.4. You'll find that > large mailboxes take quite a bit more memory when selected. It was a > tradeoff against extra locking. We could save quite a lot by > requiring changing I vote for not adding the extra complexity back. When a mid-range laptop can come with 8G of RAM, I don't think asking for more than 8GB RAM on a server running 3000+ simultaneous IMAP connections is a big ask these days. http://37signals.com/svn/posts/3090-basecamp-nexts-caching-hardware Rob ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
