Re: Sudden degradation in Postfix performance.

2014-12-21 Thread Wietse Venema
Jonathan K. Tullett: > On 21 December 2014 at 13:56, Wietse Venema wrote: > > > > > Since the end of October, that number has dropped to 16 a second > > > on a good day. > > > > What has changed? Obiously, Postfix didn't change, and replacing > > Postfix isn't going to make a difference. > > > >

Re: Sudden degradation in Postfix performance.

2014-12-21 Thread Viktor Dukhovni
On Sun, Dec 21, 2014 at 09:13:53AM +, Jonathan K. Tullett wrote: > Have there been huge improvements to the efficiency of the code base > between 2.6 and 2.9 (or 2.11)? Does anyone have suggestions on where else > I can look for the cause? > > Thank you in advance for any help you can provid

Re: Sudden degradation in Postfix performance.

2014-12-21 Thread Noel Jones
On 12/21/2014 3:13 AM, Jonathan K. Tullett wrote: > Greetings, > > I've been using Postfix for many years - since about 2002 - and I've > finally come across a problem I've not been able to resolve by > searching online, or from tapping into my personal network. So I > have come to you all for hel

Re: Sudden degradation in Postfix performance.

2014-12-21 Thread Wietse Venema
Christian R??ner: > Prior to the last week of October using the distribution manager, > it was possible on machine A to inject around 25 messages (full > size - about 70k each) a second into the maildrop queue. > > Since the end of October, that number has dropped to 16 a second > on a good day. W

Re: Sudden degradation in Postfix performance.

2014-12-21 Thread Christian Rößner
> Am 21.12.2014 um 10:13 schrieb Jonathan K. Tullett > : > > Greetings, > > I've been using Postfix for many years - since about 2002 - and I've finally > come across a problem I've not been able to resolve by searching online, or > from tapping into my personal network. So I have come to you