Date: Thu, 12 Aug 2004 14:34:52 +0200 (CEST) From: Martin Blapp <mb@imp.ch> To: Jeff Roberson <jroberson@chesapeake.net> Cc: Robert Watson <rwatson@freebsd.org> Subject: Re: SCHEDULE and high load situations Message-ID: <20040812143133.G31181@cvs.imp.ch> In-Reply-To: <20040812042621.O7322@mail.chesapeake.net> References: <Pine.NEB.3.96L.1040811122806.17560G-100000@fledge.watson.org> <20040811200323.B31181@cvs.imp.ch> <20040812042621.O7322@mail.chesapeake.net>
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Hi,
> Hi martin. This is a great test. Can you try it with my most recent
> change to sched_ule.c? Your version should be 1.21. I found some serious
> issues that have been addressed.
>
> Secondly, what kind of machine is this? Is this test simple to setup so
> that I may reproduce it here?
This is a IBM X-Series i345 SMP 2CPU 3.1 GHz Xeon Server with 2GB mem each.
I used this small script here to load it. I've prepared a shell script which
calls this 200 times. The mails are then rotating from sendmail to milter in
a 26 times loop which takes almost forever ;-).
#!/usr/bin/perl
use Net::SMTP;
$target_smtp_host = $ARGV[0];
$target_user1 = $ARGV[1];
$target_user2 = $ARGV[2];
while (<STDIN>) {
$mailmessage .= $_;
}
$smtp = Net::SMTP->new($target_smtp_host,
Hello => 'myhost',
Timeout => 10,
Debug => 0,
);
$smtp->mail('testuser@imp.ch');
$smtp->to($target_user1, $target_user2);
$smtp->data();
$smtp->datasend("To: postmaster\n");
$smtp->datasend($mailmessage);
$success = $smtp->dataend();
$smtp->quit;
if ($success) {
print "OK\n";
exit(0);
} else {
print "NO\n";
exit(1);
}
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