RE: forking problem and SleepyCat

2001-05-02 Thread Nick Ustinov
-Original Message- From: Helmut Apfelholz [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 02, 2001 19:37 To: Nick Ustinov; info-cyrus Subject: RE: forking problem and SleepyCat Could you please try turning off the DeliveryMode=q in sendmail for some time, so we could see if the diff has

RE: forking problem and SleepyCat

2001-05-02 Thread Helmut Apfelholz
sendmail. > > > > Nick Ustinov > > [EMAIL PROTECTED] > http://www.videinfra.com > > > -Original Message- > From: Spark [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, May 02, 2001 2:01 PM > To: info-cyrus > Subject: Re: forking problem and Sle

Re: forking problem and SleepyCat

2001-05-02 Thread Helmut Apfelholz
Hi, we will try to apply the patch to our server in one - two days time. This will provide some reall life testing. Hopefully that will show something. H. --- Spark <[EMAIL PROTECTED]> wrote: > Hello, > > We spent most of the day trying to simulate the load > on the server and > trying to do so

RE: forking problem and SleepyCat

2001-05-02 Thread Nick Ustinov
manage all processes. However, I still have DeliveryMode=q in my sendmail. Nick Ustinov [EMAIL PROTECTED] http://www.videinfra.com -Original Message- From: Spark [mailto:[EMAIL PROTECTED]] Sent: Wednesday, May 02, 2001 2:01 PM To: info-cyrus Subject: Re: forking problem and SleepyCat

Re: forking problem and SleepyCat

2001-05-02 Thread Spark
Hello, We spent most of the day trying to simulate the load on the server and trying to do some measurements. It's quite hard to get conclusive evidence to prove its faster or not. But most tests do show an increase in speed, on average about a 15% increase. When the server is heavily loaded

Re: forking problem and SleepyCat

2001-05-01 Thread Walter Wong
Spark <[EMAIL PROTECTED]> writes: > Maybe somebody can comeup with change to the code that can implement this?? ok, the change is in cvs. I also included a diff below. Please let us know if this makes things any better (or worse). Walter

RE: forking problem cd..

2001-04-25 Thread NiekR
Nick, we did not have the problem on Cyrus 1.5.14 (not using LMTP) on a Linux 2.2 kernel (Linux RedHat 6.0) Regards Niek Rijnbout At 21:46 25-04-2001 +0300, Nick Ustinov wrote: >well, it seems that this problem is only experienced by redhat users. i >played with different kernels, same result

RE: forking problem cd..

2001-04-25 Thread Helmut Apfelholz
--- Nick Ustinov <[EMAIL PROTECTED]> wrote: > well, it seems that this problem is only experienced > by redhat users. i > played with different kernels, same result. what was > cyrus ver that worked > fine for you? i tried 2.0.9 - it was just like > 2.0.12. Our server was running 1.5.21 first (I

RE: forking problem cd..

2001-04-25 Thread Nick Ustinov
il 25, 2001 23:27 To: Nick Ustinov; [EMAIL PROTECTED] Subject: RE: forking problem cd.. Nick, we did not have the problem on Cyrus 1.5.14 (not using LMTP) on a Linux 2.2 kernel (Linux RedHat 6.0) Regards Niek Rijnbout At 21:46 25-04-2001 +0300, Nick Ustinov wrote: >well, it seems that this

Re: forking problem cd..

2001-04-25 Thread Helmut Apfelholz
--- [EMAIL PROTECTED] wrote: > Hello fellow listmembers, > > We switched to a new version of the cyrus imapd > (version 2.0.12) and i think we have encounted the > 'locking problem' that is being discussed here. > > What we are seeing here is that it takes a long > while for the greetings to sh

RE: forking problem cd..

2001-04-25 Thread Nick Ustinov
well, it seems that this problem is only experienced by redhat users. i played with different kernels, same result. what was cyrus ver that worked fine for you? i tried 2.0.9 - it was just like 2.0.12. nick -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Wedn

Re: forking problem cd..

2001-04-25 Thread Helmut Apfelholz
--- Simon Loader <[EMAIL PROTECTED]> wrote: > > > After some more testing we think that the main > problem > > is between lmtpd processes accessing the > > /var/imap/deliverdb databases. While reading a > source > > of imap/duplicate.c, there's a note next to > > get_db_name > > function saying

Re: forking problem cd..

2001-04-25 Thread mills
Helmut Apfelholz writes: > >I've just checked the CVS, duplicate.c hasn't been >changed at all, so the algorithm remains the same. I >also haven't seen any patch in the archives. The patch was submitted to the Cyrus bug reporting address some time ago. All it does, though, is to provide an eve

RE: forking problem cd..

2001-04-25 Thread Nick Ustinov
oader [mailto:[EMAIL PROTECTED]] Sent: Wednesday, April 25, 2001 2:00 PM To: Helmut Apfelholz Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: Re: forking problem cd.. > After some more testing we think that the main problem > is between lmtpd processes accessing the > /var/imap/deliv

Re: forking problem cd..

2001-04-25 Thread Simon Loader
> After some more testing we think that the main problem > is between lmtpd processes accessing the > /var/imap/deliverdb databases. While reading a source > of imap/duplicate.c, there's a note next to > get_db_name > function saying that too many processes where > contending for the locks on del

Re: forking problem cd..

2001-04-25 Thread Helmut Apfelholz
> > This is a workaround. We really need a solution to > the > > problem. We will be looking into some alternatives > to > > sleepycats library for some of the databases. I > was > > thinking about trying the tdb library from samba > > project. > > What is the advantage of tdb over BerkeleyDB? I

Re: forking problem cd..

2001-04-24 Thread Dori . Seliskar
Helmut Apfelholz wrote: > This is a workaround. We really need a solution to the > problem. We will be looking into some alternatives to > sleepycats library for some of the databases. I was > thinking about trying the tdb library from samba > project. What is the advantage of tdb over BerkeleyD

Re: forking problem cd..

2001-04-24 Thread Helmut Apfelholz
This is a workaround. We really need a solution to the problem. We will be looking into some alternatives to sleepycats library for some of the databases. I was thinking about trying the tdb library from samba project. Or maybe there should be some way to, hm 'renice' the lmtpd having a locks in

Re: forking problem cd..

2001-04-24 Thread Dori Seliskar
I can confirm that with this solution works, but there is still a problem with cyrus which should be fixed. Regards, ds Nick Ustinov wrote: > I have solved the problem my switching sendmail to DeliverMode=q with 1m > interval > > -Original Message- > From: Helmut Apfelholz [mailto:[EMA

RE: forking problem cd..

2001-04-24 Thread Nick Ustinov
I have solved the problem my switching sendmail to DeliverMode=q with 1m interval -Original Message- From: Helmut Apfelholz [mailto:[EMAIL PROTECTED]] Sent: Tuesday, April 24, 2001 19:04 To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: forking problem cd.. Hi, he

RE: forking problem

2001-04-20 Thread Nick Ustinov
lly help. Nick Ustinov [EMAIL PROTECTED] http://www.videinfra.com -Original Message- From: Krzysztof Sierota [mailto:[EMAIL PROTECTED]] Sent: Wednesday, April 18, 2001 11:44 PM To: Dori Seliskar; Nick Ustinov Cc: '[EMAIL PROTECTED]' Subject: Re: forking problem I'd like to

Re: forking problem

2001-04-12 Thread Dori Seliskar
Nick Ustinov wrote: > Hi! > > I use cyrus 2.0.12 + pam_mysql, sendmail 8.11.0 on a dual p3/550 with 1G ram > (linux redhat7, kernel 2.4.2). > I've faced a very strange problem -- when the system is under heavy load > (however, there is ~300Mb of free memory and free ~50% cpu) master process > is