Re: ZMailer "hangs up" on message queues...

[Carlos G Mendioroz <tron@huapi.ba.ar>]

Michael Loftis wrote:
> 
> We have ferreted out the quirkiness as it were, the filenames do have to
> be numeric, the problem is we don't want to slow down to retrieve the
> inode number for every file we inject into the queue, as this would
> require a (Totally unecessary) stat (or fstat) call.  Complicating
> matters slightly further is the fact we're using Perl as the engine.

Hmmm,
I would not agree on the "totally unecessary" thing here:
-You do need file name uniqueness. Zmailer counts on that (at least, it
used
to count on that)
-You are using different processes to generate mail, so somehow you have
to
coordinate between them. 
PID is not a secure scheme. Upon reboot, for example, you will get same
PID number
and you will clash with previous messages if still there.
-Stat()'ing the file seems a clean and easy way to coordinate...

> And actually you have to get the inode number, then convert it to ASCII
> (OK so itoa isn't that expensive, but still...)

What about open(MSG, "|rmail $dest) ? ;-)
I guess you are after speed, but you are doing it in perl, so why don't
you
let the mailer care about the queue ? 
(This used to be called modularity, structured programming, object
orientation,
and last word for it I read is protected variation. Divide and conquer
;-)

-- 
Carlos G Mendioroz  <tron@huapi.ba.ar>   +54 11 4790-5093
D.F.Sarmiento 4165 - Olivos BA 1636 // LW7 EQI  Argentina
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