[Mailman-Users] list performance under add user load

Julian H. Stacey jhs at berklix.com
Thu Mar 21 10:16:33 EDT 2019

Hi mailman-users@
When I created a petition signature collection site, mailman worked fine
for my small list:

Others since on this list asked if Mailman can support large lists
(real mail lists, not petition signature lists as I unusually used
Mailman for), (with answers inc. "How long's a piece of string?",
aka "What's your back end SMTP capability?" etc).

I can't provide insight on Mailman loads, but see a custom big petition
list just crashed under load (no idea what software & hardware),
was crashing repeatedly this morning
my brother wrote me Thu, 21 Mar 2019 10:32:02 +0000
	"it was going up by over 100,000 per hour earlier today"
I'v seen:
	 43,676 signatures @ Wed, 20 Mar 2019 17:10:10 +0100
	947,303 signatures @ Thu Mar 21 15:06:31 CET 2019
	A load of about a million addresses with confirmation mails a day.
BTW The "Show on a map" links to another site
presumably that avoids extra load on signature site, nice functionality, but
beyond remit for us on mailman-users at .

Julian Stacey, Consultant Systems Engineer, BSD Linux Unix, Munich Aachen Kent
 Brexit now minority:  2.1 M now over 18, More Remainers;  1.5 M died, less
 Leavers; 700 K votes Stolen from British Remainers in EU; + 3 M globaly
 dis- franchised; + drift to Remain + avoid chaos.  MPs should urge Queen: 
 Dismiss May, appoint new PM for unity government & 2nd Referendum.  Revoke
 Art. 50, plan better, refile Art.50 later?  http://ExitBrexit.UK/#email_an_mp

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