Quoting Timo Sirainen <t...@iki.fi>:
But with auth cache enabled, there is no extra database load. The index files are also most likely in OS's cache (assuming local disk), so no extra disk I/O to read them either. I'm sure it's a bit more extra CPU usage, but I'm not all that certain that it's really that a big of a difference with Dovecot.
Just the amount of logs generated could be significant for disk load... Not to mention network overhead and all the rest... Again, your millage may vary... -- Eric Rostetter The Department of Physics The University of Texas at Austin Go Longhorns!
