Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-11-03 Thread Stan Hoeppner
Christian Rohmann put forth on 11/3/2010 10:02 AM: > Maybe any1 has more ideas based on the fact that the > thing is stable with two cores now, but wasn't with eight. Absolutely. With 8 virtual CPUs (gasp OMG! big no-no) your guest kernel will be generating a vastly larger number of timer interr

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-11-03 Thread Christian Rohmann
Hallo, sorry for the late update ... but here it is ... On 10/29/2010 10:35 PM, Wietse Venema wrote: > If I don't see a credible report about warnings etc. in Postfix > logfiles, then that means that you are flying blind, and that needs > to be addressed first. Agreed. I did read the document a

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-30 Thread Jeroen Geilman
On 10/30/2010 11:03 AM, Ravindra Gupta // Viva wrote: Hiii, How to improve postfix server sending speed, any parameters required in main.cf file so confirm me. My requirement is we will send minimum 500 to 600 email in less then 1 minutes. Please give the suggestion Don't

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-30 Thread Ravindra Gupta // Viva
Hiii, How to improve postfix server sending speed, any parameters required in main.cf file so confirm me. My requirement is we will send minimum 500 to 600 email in less then 1 minutes. Please give the suggestion On Fri, Oct 29, 2010 at 9:05 PM, Christian Rohmann wrote: > Hey postfix-users,

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread Wietse Venema
Christian Rohmann: > Hey again, > > On 10/29/2010 07:23 PM, Wietse Venema wrote: > > The main loop in the master is as follows: > > > > forever { > > set an alarm for 1000s > > do an EPOLL_WAIT for up to 500s and handle any child process > > events, or short-term timer requests that a

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread Wietse Venema
Christian Rohmann: > > It would be worthwhile to see what strace reports when you leave > > it running. If strace reports nothing in 500s then EPOLL_WAIT is > > not working. If strace reports nothing after 1000s then the alarm > > timer is also not working. > > I'll try to gather you some strace d

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread Jeroen Geilman
On 10/29/2010 05:35 PM, Christian Rohmann wrote: Hey postfix-users, we are currently analyzing very strange postfix behavior which I can only describe as lockup or freeze. Honestly we reached our abilities to gather more info and to find the root cause of this issue. You are my last hope obi wa

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread Christian Rohmann
Hey again, On 10/29/2010 07:23 PM, Wietse Venema wrote: > The main loop in the master is as follows: > > forever { > set an alarm for 1000s > do an EPOLL_WAIT for up to 500s and handle any child process > events, or short-term timer requests that are implemented > around the E

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread Wietse Venema
> > On 10/29/2010 05:43 PM, lst_ho...@kwsoft.de wrote: > > > Maybe another instance of this problem? > > > http://tech.groups.yahoo.com/group/postfix-users/message/269786 > > > > Even though at some point postfix stopped at EPOLL_WAIT... The main loop in the master is as follows: forever { s

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread Wietse Venema
Christian Rohmann: > > Does this server run in a virtual machine? > Yeah, the Debian Lenny (amd64) runs on VMware ESX 4.1 hosts. The guests > itself are Vmware HW revision 7. VMware has an entire KB article on problems with delivering timer interrupts to guest machines, and the hoops that they are

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread Christian Rohmann
Hey Wietse, thanks for the quick reply. Sorry for the delay, was a few GBs of logs to grep through ;-) On 10/29/2010 05:49 PM, Wietse Venema wrote: > I will assume that this is a bug in OS software or in emulated hardware. Possible, but we are not really having a special setup ... just VMware + D

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread Wietse Venema
I will assume that this is a bug in OS software or in emulated hardware. Does this server run in a virtual machine? What is the output from "grep fatal" on today's and yesterday's maillog file? What is the output from "grep watchdog" on all your maillog files? Wietse

Re: Postfix locking up, not accepting connections / smtp not sending emails out

2010-10-29 Thread lst_hoe02
Zitat von Christian Rohmann : Hey postfix-users, we are currently analyzing very strange postfix behavior which I can only describe as lockup or freeze. Honestly we reached our abilities to gather more info and to find the root cause of this issue. You are my last hope obi wan ... eh Wietse ..