>>> I'm using courier-imap with roundcube. Browsing email is fast with >>> just 1 or 2 users but becomes extremely slow with 5 users. How should >>> I look into improving performance for multiple users? >> >> By determining exactly where the performance problem is. There could be >> several reasons: insufficient bandwidth, insufficient memory, >> insufficient CPU; or a few other things. "Improving performance" is not >> just some button that one only need to push, and make it happen. >> >> Use standard system administration tools, like top, iostat, netstat, and >> others, to analyze and profile your server. Once you are confident that >> you know exactly where the bottleneck is, only then you can plan what >> needs to be done. >> > > Sorry for replying to wrong message in the thread - missed the original one. > > From what i remember running courier-imap / maildir / webmail, 2 things > are usually improve performance if slowing down starts with single-digit > users: > 1. imap-proxy > 2. filesystem of NFS server that can do fast listing of directories > containing thousands of files (we used NetApp filers). > > Just my experience though - a lot changed since i'm sure.
I should have mentioned that I'm already using imap-proxy. I'm not sure what you mean with #2. You're saying I should incorporate an NFS server on another machine with an optimized filesystem? - Grant ------------------------------------------------------------------------------ _______________________________________________ Courier-imap mailing list Courier-imap@lists.sourceforge.net Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-imap