On Mon, Dec 03, 2001 at 05:03:05AM +0000, Sam Varshavchik wrote: > Ben Beuchler writes: > > >I would like to close the gap between Courier and Postfix a bit. Can > >anyone recommend some tuning parameters I may not be considering? > > First thing: look at the received messages to verify that Courier did not, > in fact, rewrite them.
I will check that. > Having said that, Courier is more disk intensive than the others, so a slow > IDE disk will definitely take a lot of heat. You should get more > comparable results with high-end SCSI disks. I will repeat my tests today on a system with a fast local SCSI disk. > Oh, I just remembered one thing: if you're delivering to the same mailbox, > Courier will throttle itself to a default setting of a maximum of four > simultaneous concurrent deliveries to the same local account, and a maximum > of ten simultaneous local deliveries at the same time. I was spreading the deliveries across 200 local accounts, but I suppose it's possible that it was hitting that limit. For the next run I will increase MAXDELS and MAXHOST and check the logs for any deferrals. > When you're adjusting these settings up, make sure that you won't run into > any OS-imposed limit on the maximum number of concurrent processes for the > same uid. Hmmm... I'm not aware of any such limits under Linux, but I freely admit that I'm no guru. Thanks for the help, and I'll repost with new data once I've had a chance to rerun the tests! -Ben -- Ben Beuchler There is no spoon. [EMAIL PROTECTED] -- The Matrix _______________________________________________ courier-users mailing list [EMAIL PROTECTED] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
