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From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4.3) Gecko/20040803 Description of problem: While using cups-lpd with about 7500 printqueues printing a small document takes very long time and its impossible to print more than 30 jobs per minute. While printing directly to cups via ipp or http there�s no problem handling thousands of printqueues with an acceptable performance. I found out that cups-lpd is polling the whole printqueues via the lo interface from the cupsd (with 7500 printqueues its about 14MB traffic on the lo interface for each printjob) before selecting the right one and send the job to it. This behaviour is very bad and slows down systems with many printqueues dramatically. Version-Release number of selected component (if applicable): cups-1.1.17-13.3.12 How reproducible: Always Steps to Reproduce: 1.set up 7000 print queues 2.print a small document via lpd 3.see what happens on lo and how long it takes Actual Results: The cups-lpd acts very slow and catches nearly all systemressources. Expected Results: It should send out small printjobs very quick. Additional info:
Upstream bug: http://www.cups.org/str.php?L804
*** Bug 154834 has been marked as a duplicate of this bug. ***
This bug is filed against RHEL 3, which is in maintenance phase. During the maintenance phase, only security errata and select mission critical bug fixes will be released for enterprise products. Since this bug does not meet that criteria, it is now being closed. For more information of the RHEL errata support policy, please visit: http://www.redhat.com/security/updates/errata/ If you feel this bug is indeed mission critical, please contact your support representative. You may be asked to provide detailed information on how this bug is affecting you.