ppr-list-digest volume 3, number 17, message 1

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From: Alain.Lachapelle@Heimannsystems.Com
Date: Tue, 6 Feb 2001 13:43:56 +0100
Subject: PPR: Spoolong to printer priority adjustment?

Hello,

  Is there a mechanism already built-in PPR to decrease the throughput of
data to a networked printer?  The situation is this: the Linux machines are
near operating as real-time and needs a lot of time resources to respond to
real-time hardware events.  When an opearator asks for a printout the
printout is generated and spooled with PPR to a printer.  The whole
process, from spooling to printing, takes about 60 seconds (files are
average 6 MB in size) during which the operator sees a progress bar
indicating the bytes received by the printer (ppop -m progress).  There is
a very real possibility that the printer may be busy at that time, in which
case the printing daemon will try several times to send the file.  And this
sending may finally occur when the operator is doing hardware-intensive
work with the machine.  At such times it would be pratical to regulate the
data transmission throughput.  Is there an option in PPR that may provide
this utility?

Regards,

Alain