[cups.general] Cups performance with 1200 queues

Michael Sweet msweet at apple.com
Wed Feb 25 09:55:21 PST 2009


On Feb 24, 2009, at 11:58 PM, bse wrote:
> ...
> The unmodified cupsd was running at 100%, becoming a bottleneck, and  
> the clients could get hangs, timeouts and other problems. A rewrite  
> of cupsd to reduce the number of syscalls, use nonblocking writes,  
> more fair behaviour when selecting next socket and some other small  
> stuff have resulted in a CPU-usage of less than 30% for cupsd.

Sounds great.  What changes did you make?

________________________________________
Michael R Sweet, Senior Printing System Engineer

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