Re: Future of Qmail-LDAP

Ibrahim Harrani <[email protected]>
Newsgroups gmane.mail.qmail.ldap
Message-ID <[email protected]>
No,

I disable all smtp checks. no RBL, no reverse dns.
Please note that I am trying with netqmail(with and without extodo patch). I
am testing from my local network. tcpserver is running with -H -R -l0
options.


On Thu, Feb 4, 2010 at 9:32 AM, Scott Ryan <[email protected]> wrote:

> Have you checked Reverse DNS lookup?
>
> On Thu, Feb 4, 2010 at 8:30 AM, Ibrahim Harrani
> <[email protected]> wrote:
> > Scott,
> >
> > There is no problem with I/O. the number of mail in queue is quite small.
> > The main problem is CPU idle time. the CPU is idle %1-10 during the high
> > concurrent connection.
> >
> > Thanks.
> >
> > On Thu, Feb 4, 2010 at 9:24 AM, Scott Ryan <[email protected]> wrote:
> >>
> >> The load could be a result of I/O wait. Remember that qmail's queuing
> >> process is quite disk I/O intensive.
> >>
> >> Do you see any increase of the local queue?
> >>
> >> On Thu, Feb 4, 2010 at 8:19 AM, Ibrahim Harrani
> >> <[email protected]> wrote:
> >> > Hi,
> >> >
> >> > I wonder, am I only the one who is experiencing this problem?
> >> > Is there anyone has the same problem?
> >> >
> >> >
> >> > Thanks.
> >> >
> >> >
> >> > On Wed, Feb 3, 2010 at 5:27 PM, Ibrahim Harrani
> >> > <[email protected]>
> >> > wrote:
> >> >>
> >> >> Hi,
> >> >>
> >> >> In this qmail test, CPU idle was almost zero.  CPU time was mostly
> used
> >> >> by
> >> >> system.
> >> >>
> >> >> In the same test, if you set max connection to 100/200 via tcpserver
> >> >> and
> >> >> don't change anyhing in xstress side(still opening 600 connection).
> >> >> The
> >> >> load is quite low. So I decided that the reason is forking many
> >> >> qmail-smtpd
> >> >> ?
> >> >>
> >> >>>
> >> >>>
> >> >>> CPU load has not realy much todo with how busy a system is. It is
> >> >>> possible
> >> >>> to have a cpu load of 1000 without even noticing it. It just means
> >> >>> that
> >> >>> there are more processes ready to run.
> >> >>>
> >> >>> --
> >> >>> :wq Claudio
> >> >>
> >> >
> >> >
> >>
> >>
> >>
> >> --
> >> Scott Ryan
> >> http://bonoboslr.wordpress.com/
> >
> >
>
>
>
> --
> Scott Ryan
> http://bonoboslr.wordpress.com/
>
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