Re: active queue fluctuation when not enough free memory

2008-10-17 Thread Victor Duchovni
On Fri, Oct 17, 2008 at 01:19:17PM -0400, Ofer Inbar wrote: > Wietse Venema <[EMAIL PROTECTED]> wrote: > > Ofer Inbar: > > > Victor Duchovni <[EMAIL PROTECTED]> wrote: > > > > Your queue manager is crashing. > > > [...] > > > > Queue manager re-starts. > > > > > > Is that a bug? Should it handle

Re: active queue fluctuation when not enough free memory

2008-10-17 Thread Wietse Venema
Ofer Inbar: > Wietse Venema <[EMAIL PROTECTED]> wrote: > > Ofer Inbar: > > > Victor Duchovni <[EMAIL PROTECTED]> wrote: > > > > Your queue manager is crashing. > > > [...] > > > > Queue manager re-starts. > > > > > > Is that a bug? Should it handle this situation more gracefully? > > > > No, you

Re: active queue fluctuation when not enough free memory

2008-10-17 Thread Ofer Inbar
Wietse Venema <[EMAIL PROTECTED]> wrote: > Ofer Inbar: > > Victor Duchovni <[EMAIL PROTECTED]> wrote: > > > Your queue manager is crashing. > > [...] > > > Queue manager re-starts. > > > > Is that a bug? Should it handle this situation more gracefully? > > No, you should not restart the queue ma

Re: active queue fluctuation when not enough free memory

2008-10-17 Thread Wietse Venema
Ofer Inbar: > Victor Duchovni <[EMAIL PROTECTED]> wrote: > > Your queue manager is crashing. > [...] > > Queue manager re-starts. > > Is that a bug? Should it handle this situation more gracefully? No, you should not restart the queue manager willy-nilly. Wietse

Re: active queue fluctuation when not enough free memory

2008-10-17 Thread Ofer Inbar
Victor Duchovni <[EMAIL PROTECTED]> wrote: > Your queue manager is crashing. [...] > Queue manager re-starts. Is that a bug? Should it handle this situation more gracefully? Now, a more interesting question: What is the incremental memory cost of each smtp process? According to pmap -d, the s

Re: active queue fluctuation when not enough free memory

2008-10-17 Thread Victor Duchovni
On Fri, Oct 17, 2008 at 11:16:44AM -0400, Ofer Inbar wrote: > We recently observed something strange: After doubling the number of > smtp processes in master.cf and restarting, the size of the active > queue started fluctuating over time in almost exact inverse of the > incoming queue. I'm using