RE: multiple qmail-send
The only way you would have more than 1 instance of qmail-send is if you had more than one queue, ie a multiqueueing environment .. 1 queue for receiving, 1 for preprocessing and 1 for sending.. Steve -Original Message- From: Daniel BODEA [mailto:[EMAIL PROTECTED]] Sent: 18 July 2001 22:14 To: [EMAIL PROTECTED]; Lukas Beeler Subject: Re: multiple qmail-send Please excuse my HTML side of the email. Won't happen again. I wasn't asking about qmail-remote or qmail-local. What I was asking is Could I EVER see more than 1 qmail-send process running on my system ?. If I'm not mistaken, it's the qmail-send process the one that adds bounce addresses to the bounce directory and it's there that I haven't seen any locking system. Plus qmail-send relies on the good old select method to poll its inputs so the flow is synchronous. Dan - Original Message - From: Lukas Beeler [EMAIL PROTECTED] To: Daniel BODEA [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Wednesday, July 18, 2001 9:52 PM Subject: Re: multiple qmail-send At 21:40 18.07.2001 +0200, Daniel BODEA wrote: Can there be, in the normal flow of qmail, multiple instances of qmail-send running at the same time (?) yes of course... what do you think is the concurrency limit for ? exactly that because multithreaded it's not, and I haven't seen any locking mechanisms for the ressources qmail-send accesses directly. each of those processes send ONE individual message.. so there isn't any locking machanism needed Thanks, Dan and in future, please write text/plain and not text/html -- Lukas Maverick Beeler / Telematiker Project: D.R.E.A.M / every.de - Your Community Web: http://www.projectdream.org Mail: [EMAIL PROTECTED]
Re: multiple qmail-send
At 21:40 18.07.2001 +0200, Daniel BODEA wrote: Can there be, in the normal flow of qmail, multiple instances of qmail-send running at the same time (?) yes of course... what do you think is the concurrency limit for ? exactly that because multithreaded it's not, and I haven't seen any locking mechanisms for the ressources qmail-send accesses directly. each of those processes send ONE individual message.. so there isn't any locking machanism needed Thanks, Dan and in future, please write text/plain and not text/html -- Lukas Maverick Beeler / Telematiker Project: D.R.E.A.M / every.de - Your Community Web: http://www.projectdream.org Mail: [EMAIL PROTECTED]
Re: multiple qmail-send
Daniel BODEA [EMAIL PROTECTED] wrote: Can there be, in the normal flow of qmail, multiple instances of qmail-send running at the same time (?) because multithreaded it's not, and I haven't seen any locking mechanisms for the ressources qmail-send accesses directly. one queue == one qmail-send You can have multiple qmail-send's on system *only* if you have multiple queues. -Dave
Re: multiple qmail-send
On Wed, Jul 18, 2001 at 09:52:06PM +0200, Lukas Beeler wrote: At 21:40 18.07.2001 +0200, Daniel BODEA wrote: Can there be, in the normal flow of qmail, multiple instances of qmail-send running at the same time (?) yes of course... what do you think is the concurrency limit for ? exactly that WRONG. There is always _one_ qmail-send. concurrencylocal - max concurrent qmail-local processes concurrencyremote - max concurrent qmail-remote processes 1 - qmail-send process because multithreaded it's not, and I haven't seen any locking mechanisms for the ressources qmail-send accesses directly. each of those processes send ONE individual message.. so there isn't any locking machanism needed WRONG. This is true for qmail-local/qmail-remote, but not for the queue manager qmail-send. and in future, please write text/plain and not text/html ACK. And you... well, I'd not answer questions here if I am not sure. No offense intended, it just confuses. For the original question: 1 qmail-send - 1 queue You can install more than one qmail instace per machine, e. g. in /var/qmail/1/, 2/ and so on. Change conf-home and make setup check for each instance. You have multiple queues then and must find a solution to balance the load between them. -- * Henning Brauer, [EMAIL PROTECTED], http://www.bsws.de * * Roedingsmarkt 14, 20459 Hamburg, Germany * Unix is very simple, but it takes a genius to understand the simplicity. (Dennis Ritchie)
Re: multiple qmail-send
Please excuse my HTML side of the email. Won't happen again. I wasn't asking about qmail-remote or qmail-local. What I was asking is Could I EVER see more than 1 qmail-send process running on my system ?. If I'm not mistaken, it's the qmail-send process the one that adds bounce addresses to the bounce directory and it's there that I haven't seen any locking system. Plus qmail-send relies on the good old select method to poll its inputs so the flow is synchronous. Dan - Original Message - From: Lukas Beeler [EMAIL PROTECTED] To: Daniel BODEA [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Wednesday, July 18, 2001 9:52 PM Subject: Re: multiple qmail-send At 21:40 18.07.2001 +0200, Daniel BODEA wrote: Can there be, in the normal flow of qmail, multiple instances of qmail-send running at the same time (?) yes of course... what do you think is the concurrency limit for ? exactly that because multithreaded it's not, and I haven't seen any locking mechanisms for the ressources qmail-send accesses directly. each of those processes send ONE individual message.. so there isn't any locking machanism needed Thanks, Dan and in future, please write text/plain and not text/html -- Lukas Maverick Beeler / Telematiker Project: D.R.E.A.M / every.de - Your Community Web: http://www.projectdream.org Mail: [EMAIL PROTECTED]
Re: multiple qmail-send
thanks it's how I actually expected it to function too bad it's the misleading responses the ones that come up first dan - Original Message - From: Henning Brauer [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Wednesday, July 18, 2001 10:09 PM Subject: Re: multiple qmail-send On Wed, Jul 18, 2001 at 09:52:06PM +0200, Lukas Beeler wrote: At 21:40 18.07.2001 +0200, Daniel BODEA wrote: Can there be, in the normal flow of qmail, multiple instances of qmail-send running at the same time (?) yes of course... what do you think is the concurrency limit for ? exactly that WRONG. There is always _one_ qmail-send. concurrencylocal - max concurrent qmail-local processes concurrencyremote - max concurrent qmail-remote processes 1 - qmail-send process because multithreaded it's not, and I haven't seen any locking mechanisms for the ressources qmail-send accesses directly. each of those processes send ONE individual message.. so there isn't any locking machanism needed WRONG. This is true for qmail-local/qmail-remote, but not for the queue manager qmail-send. and in future, please write text/plain and not text/html ACK. And you... well, I'd not answer questions here if I am not sure. No offense intended, it just confuses. For the original question: 1 qmail-send - 1 queue You can install more than one qmail instace per machine, e. g. in /var/qmail/1/, 2/ and so on. Change conf-home and make setup check for each instance. You have multiple queues then and must find a solution to balance the load between them. -- * Henning Brauer, [EMAIL PROTECTED], http://www.bsws.de * * Roedingsmarkt 14, 20459 Hamburg, Germany * Unix is very simple, but it takes a genius to understand the simplicity. (Dennis Ritchie)
Re: multiple qmail-send
At 22:09 18.07.2001 +0200, you wrote: On Wed, Jul 18, 2001 at 09:52:06PM +0200, Lukas Beeler wrote: At 21:40 18.07.2001 +0200, Daniel BODEA wrote: Can there be, in the normal flow of qmail, multiple instances of qmail-send running at the same time (?) yes of course... what do you think is the concurrency limit for ? exactly that WRONG. There is always _one_ qmail-send. concurrencylocal - max concurrent qmail-local processes concurrencyremote - max concurrent qmail-remote processes 1 - qmail-send process yes, you're right.. i did not think that far... because multithreaded it's not, and I haven't seen any locking mechanisms for the ressources qmail-send accesses directly. each of those processes send ONE individual message.. so there isn't any locking machanism needed WRONG. This is true for qmail-local/qmail-remote, but not for the queue manager qmail-send. and in future, please write text/plain and not text/html ACK. And you... well, I'd not answer questions here if I am not sure. No offense intended, it just confuses. yes, i didn't think that far, now, i know something, thanks to you iam really worried about misleading Daniel Bodea i hope that this won't happen again For the original question: 1 qmail-send - 1 queue You can install more than one qmail instace per machine, e. g. in /var/qmail/1/, 2/ and so on. Change conf-home and make setup check for each instance. You have multiple queues then and must find a solution to balance the load between them. -- * Henning Brauer, [EMAIL PROTECTED], http://www.bsws.de * * Roedingsmarkt 14, 20459 Hamburg, Germany * Unix is very simple, but it takes a genius to understand the simplicity. (Dennis Ritchie) -- Lukas Maverick Beeler / Telematiker Project: D.R.E.A.M / every.de - Your Community Web: http://www.projectdream.org Mail: [EMAIL PROTECTED]
