Date: Mon, 5 Feb 2001 13:49:09 -0800 (PST) From: Dan Phoenix <dphoenix@bravenet.com> To: scanner@jurai.net Cc: freebsd-hackers@FreeBSD.ORG, freebsd-question@FreeBSD.ORG Subject: Re: qmail IO problems Message-ID: <Pine.BSO.4.21.0102051342380.18264-100000@gandalf.bravenet.com> In-Reply-To: <Pine.BSF.4.21.0102051620100.27111-100000@sasami.jurai.net>
next in thread | previous in thread | raw e-mail | index | archive | help
/0 /1 /2 /3 /4 /5 /6 /7 /8 /9 /10
Load Average ||||
/0 /10 /20 /30 /40 /50 /60 /70 /80 /90 /100
cpu user|X
nice|
system|XXXXXX
interrupt|
idle|XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
/0 /10 /20 /30 /40 /50 /60 /70 /80 /90 /100
ad0 MB/s
tps|XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX108.83
that is why i know it is IO....#1.
#2..not configuration errors that I know of.
tailing the tcpserver current log shows lots of traffic comming in and
out.....yet it keep getting queued up......so my guess is the IO.
Post fix is not the solution...would be the exact same problem...a mail
deamon was to read each message to send them right? Same disk I/O problem
will occur. Btw who are you and when you say brad....who are you talking
about?
On Mon, 5 Feb 2001 scanner@jurai.net wrote:
> Date: Mon, 5 Feb 2001 16:27:21 -0500 (EST)
> From: scanner@jurai.net
> To: Dan Phoenix <dphoenix@bravenet.com>
> Cc: freebsd-hackers@FreeBSD.ORG, freebsd-question@FreeBSD.ORG
> Subject: Re: qmail IO problems
>
> On Mon, 5 Feb 2001, Dan Phoenix wrote:
>
> >
> > I am sitting with a 80-90% IO disk problem after converting this one box
> > from linux to freebsd. I enabled soft-updates on that partition...that did
> > not help to much...and ram is fine. I am guessing because ext2fs uses
> > asyncronous metadatawrites and favors speed over reliablity that that is
> > why linux was able to handle it.
>
> Hi dan. Just out of curiosity what leads you to think its I/O?
> Is this sending or receiving? You say its on one partition? Is the mail
> spool directory hashed? How many mail's are you doing a second? How many
> mails WERE you doing a second on linux? A little more insight into how
> things are configured would help a bit. :-) I bet brad will see
> this too and he will surely know the right direction to point you.
> I run mostly postfix here. Since it has lower overhead writing mail.
>
> If your queue is being filled up because qmail isnt processing
> them fast enough that mostly sounds just like a configuration problem.
> But again I dont know what your traffic is like. If its something small or
> something crazy.
>
> =============================================================================
> -Chris Watson (316) 326-3862 | FreeBSD Consultant, FreeBSD Geek
> Work: scanner@jurai.net | Open Systems Inc., Wellington, Kansas
> Home: scanner@deceptively.shady.org | http://open-systems.net
> =============================================================================
> WINDOWS: "Where do you want to go today?"
> LINUX: "Where do you want to go tommorow?"
> BSD: "Are you guys coming or what?"
> =============================================================================
> irc.openprojects.net #FreeBSD -Join the revolution!
> ICQ: 20016186
>
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSO.4.21.0102051342380.18264-100000>