qmail delivery slowdown under high load

2000-01-24 Thread Andras Tudos - Computronic, C3
Hi, I have an operational theory question: when the load in a qmail setup reaches certain level the queue starts to grow and after a short time the number of unprocessed messages starts to grow as well. This is OK, but: at the same time the speed of local-deliveries slows down tenfold and the

Re: qmail delivery slowdown under high load

2000-01-24 Thread Mark Delany
There is no "race condition" within qmail simply because of load, so it might benefit from some elaboration from your collegues as to what "race condition" they are referring to. qmail goes non-linear if the unprocessed queue gets large (> 20-30 is a sign of trouble), and it goes non-linear for t

Re: qmail delivery slowdown under high load

2000-01-24 Thread George Cox
On 24/01 19:28, Andras Tudos - Computronic, C3 wrote: > I have an operational theory question: when the load in a qmail setup > [...snip...] > not occur in a sendmail or other MTA based system. What operating system? Are you using Maildir or mailbox? gjvc -- [gjvc]

Re: qmail delivery slowdown under high load

2000-01-24 Thread Andras Tudos - Computronic, C3
At 2000.01.24 20:58, Monday, you wrote: >On 24/01 19:28, Andras Tudos - Computronic, C3 wrote: > > > I have an operational theory question: when the load in a qmail setup > > [...snip...] > > not occur in a sendmail or other MTA based system. > >What operating system? Are you using Maildir or mai

Re: qmail delivery slowdown under high load

2000-01-27 Thread richard
On Tue, 25 Jan 2000, Andras Tudos - Computronic, C3 wrote: > At 2000.01.24 20:58, Monday, you wrote: > >On 24/01 19:28, Andras Tudos - Computronic, C3 wrote: > > > > > I have an operational theory question: when the load in a qmail setup > > > [...snip...] > > > not occur in a sendmail or other M