> From: "Justin Fossey" > the load spikes seem to coincide with a spike in the > number of Exim process. Normally there would be between 1-5 Exim process > running and load will be > low. Then the load spikes there would be between 10-50 Exim processes and > then the load would jump > to 10-90. This would last for a few min at most 5-8min and then drop quickly > and load and > responsiveness would normalize. > > My requested changes based on my reading of the Docs are the following. > > remote_max_parallel = 1 > queue_smtp_domains = * > > My understanding is that this should reduce the number of process started for > remote deliveries and > should mitigate these spikes by preventing immediate delivery for remote SMTP > hosts. > > Maybe later if needed, I might consider reducing queue_run_max.
Consider also (or instead): begin transports remote_smtp: driver = smtp serialize_hosts = * -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
