Re: high-speed postfix configuration

2012-09-05 Thread DN Singh
On Wed, Aug 29, 2012 at 6:06 PM, Stan Hoeppner wrote: > On 8/28/2012 1:13 PM, Viktor Dukhovni wrote: > > On Tue, Aug 28, 2012 at 11:48:19AM -0500, Stan Hoeppner wrote: > > > >> So maybe for this particular application a ramdisk isn't a horrible > >> idea. But he still has the problem of implement

Re: high-speed postfix configuration

2012-08-29 Thread Stan Hoeppner
On 8/28/2012 1:13 PM, Viktor Dukhovni wrote: > On Tue, Aug 28, 2012 at 11:48:19AM -0500, Stan Hoeppner wrote: > >> So maybe for this particular application a ramdisk isn't a horrible >> idea. But he still has the problem of implementing parallel submission >> in his java application, otherwise it

Re: high-speed postfix configuration

2012-08-28 Thread Viktor Dukhovni
On Tue, Aug 28, 2012 at 11:48:19AM -0500, Stan Hoeppner wrote: > So maybe for this particular application a ramdisk isn't a horrible > idea. But he still has the problem of implementing parallel submission > in his java application, otherwise it won't matter if it's a ramdisk or > an old 3600 RPM

Re: high-speed postfix configuration

2012-08-28 Thread Stan Hoeppner
On 8/28/2012 8:16 AM, Mike wrote: > > >> The first thing that comes to mind is using a ramdisk for the queue > directories. >> But I'm doubting Postfix will work with queue directories on a > ramdisk. Wietse can answer this. > > There's no reason Postfix won't work with /var/spool/postfix mounte

Re: high-speed postfix configuration

2012-08-28 Thread Mike
> The first thing that comes to mind is using a ramdisk for the queue directories. > But I'm doubting Postfix will work with queue directories on a ramdisk. Wietse can answer this. There's no reason Postfix won't work with /var/spool/postfix mounted from RAM. The standard filesystem(s) used

Re: high-speed postfix configuration

2012-08-27 Thread Mike Mitchell
All this makes perfect sense, thanks for the additional detail, Stan. /mike On Aug 27, 2012, at 12:06 PM, Stan Hoeppner wrote: > I'm copying this response back to the list, as this discussion needs to > be in the various list archives for other who may intend to follow in > your footsteps. ..

Re: high-speed postfix configuration

2012-08-27 Thread Stan Hoeppner
I'm copying this response back to the list, as this discussion needs to be in the various list archives for other who may intend to follow in your footsteps. On 8/27/2012 8:09 AM, Mike Mitchell wrote: > I do have to say, I was originally hoping that I could optimize things > merely with some main.

Re: high-speed postfix configuration

2012-08-27 Thread Mike Mitchell
Thanks, Stan--working on it! /mike On Aug 26, 2012, at 12:06 AM, Stan Hoeppner wrote: > Did you get a chance to digest my suggestions on this yet? I gave you > nearly everything you need to know implement this with Postfix, sans > rewriting the JAVA app for parallel submission. > > -- > Stan

Re: high-speed postfix configuration

2012-08-25 Thread Stan Hoeppner
On 8/24/2012 10:05 AM, Mike Mitchell wrote: > > On Aug 24, 2012, at 8:11 AM, francis picabia wrote: >> On Thu, Aug 23, 2012 at 1:33 PM, Mike Mitchell wrote: >>> I am attempting to configure a postfix server to handle really high-speed >>> mail delivery. This means I'll be sending (via Java API

Re: high-speed postfix configuration

2012-08-24 Thread Mike Mitchell
On Aug 24, 2012, at 8:11 AM, francis picabia wrote: > On Thu, Aug 23, 2012 at 1:33 PM, Mike Mitchell wrote: >> I am attempting to configure a postfix server to handle really high-speed >> mail delivery. This means I'll be sending (via Java API) potentially tens >> of thousands as fast as poss

Re: high-speed postfix configuration

2012-08-24 Thread francis picabia
On Thu, Aug 23, 2012 at 1:33 PM, Mike Mitchell wrote: > Hi all, > > Fairly newbie user here (okay, waiting for collective groan to die down). > > I am attempting to configure a postfix server to handle really high-speed > mail delivery. This means I'll be sending (via Java API) potentially tens

Re: high-speed postfix configuration

2012-08-24 Thread DTNX Postmaster
On Aug 23, 2012, at 22:40, Mike Mitchell wrote: > On Aug 23, 2012, at 3:32 PM, Wietse Venema wrote: >> You announced yourself as fairly newbie (your own words). Therefore >> I gave you my honest advice of "don't do it". > > I'm willing to accept that I asked for it. :-) I perhaps over-emphasi

Re: high-speed postfix configuration

2012-08-23 Thread Stan Hoeppner
On 8/23/2012 7:29 PM, Wietse Venema wrote: > Mike Mitchell: >> The first issue I know is being reported is seemingly a throttling >> of submissions to the server--we can send about 50, then we're >> made to wait almost exactly 6 seconds, then we can send about 50 >> more. > > This is a built-in sa

Re: high-speed postfix configuration

2012-08-23 Thread Wietse Venema
Mike Mitchell: > The first issue I know is being reported is seemingly a throttling > of submissions to the server--we can send about 50, then we're > made to wait almost exactly 6 seconds, then we can send about 50 > more. This is a built-in safety feature. If a client were allowed to flood Pos

Re: high-speed postfix configuration

2012-08-23 Thread Mike Mitchell
On Aug 23, 2012, at 3:32 PM, Wietse Venema wrote: > You announced yourself as fairly newbie (your own words). Therefore > I gave you my honest advice of "don't do it". I'm willing to accept that I asked for it. :-) I perhaps over-emphasized my newbie-ness in order to prompt more of an overvie

Re: high-speed postfix configuration

2012-08-23 Thread lst_hoe02
Zitat von Mike Mitchell : We've actually been providing this service for 10 years now, but are just now reaching a scale where default configurations are insufficient to handle the volume. We've not needed to touch the mail server prior to now, so are just looking for some initial guid

Re: high-speed postfix configuration

2012-08-23 Thread Wietse Venema
Mike Mitchell: > We've actually been providing this service for 10 years now, but > are just now reaching a scale where default configurations are > insufficient to handle the volume. We've not needed to touch the > mail server prior to now, so are just looking for some initial > guidance as we d

Re: high-speed postfix configuration

2012-08-23 Thread Noel Jones
On 8/23/2012 2:06 PM, Mike Mitchell wrote: > We've actually been providing this service for 10 years now, but are just now > reaching a scale where default configurations are insufficient to handle the > volume. We've not needed to touch the mail server prior to now, so are just > looking for

Re: high-speed postfix configuration

2012-08-23 Thread Mike Mitchell
We've actually been providing this service for 10 years now, but are just now reaching a scale where default configurations are insufficient to handle the volume. We've not needed to touch the mail server prior to now, so are just looking for some initial guidance as we dig into optimization.

Re: high-speed postfix configuration

2012-08-23 Thread Wietse Venema
Mike Mitchell: > Hi all, > > Fairly newbie user here (okay, waiting for collective groan to die down). > > I am attempting to configure a postfix server to handle really > high-speed mail delivery. This means I'll be sending (via Java > API) potentially tens of thousands as fast as possible (spe