* How would I find out what the connection speed between the RC and the IMAP server is? * Caching doesn't seem to make a big difference. How to find out what the bottleneck is? * Any explanation on imapproxy? Never heard of it.
On Tue, Sep 14, 2010 at 3:26 PM, Stan Hoeppner <[email protected]> wrote: > Arne Berglund put forth on 9/14/2010 1:42 PM: >> Well, something doesn't seem right, then. I've got 0.4-stable in >> production now (apache on linux) connecting to a separate IMAP server >> (dovecot on linux as well). Granted, both boxes are in the same rack and >> on 1000BaseT ports on the same switch, but it's still having to go >> box-to-box for everything. I don't even have caching enabled, and things >> seem to work reasonably fast. > > Caching isn't required for good performance when you have a 100 MB/s > pipe with sub 1 ms latency between the RC and IMAP servers. If the > average broadband connection is DSL/cable at 2 Mb/s that's a 500x > difference in B/W. > > If you were to locate your RC server across town on a DSL/cable line > your RC performance would drop considerably due to that 500x decrease in > bandwidth and latency increase of over 30x. In this scenario, RC > caching and imapproxy would help quite a bit. > > -- > Stan > _______________________________________________ > List info: http://lists.roundcube.net/users/ > BT/500a1e2e > _______________________________________________ List info: http://lists.roundcube.net/users/ BT/8f4f07cd
