Date: Sat, 13 Aug 2005 17:34:41 -0500 From: "R. Tyler Ballance" <tyler@tamu.edu> To: freebsd-current@freebsd.org Subject: Disk I/O and Peripheral I/O in 6.0-BETA Message-ID: <E7C420C0-36FA-40C7-B6CC-EC00A632ED92@tamu.edu>
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Howdy, I'm using a source build of 6.0-BETA2 (built over 5.4-STABLE) and I'm still experiencing something I either never experienced, or never noticed on RELENG_5. Whenever I have huge disk related processes running, `rm -rf src obj ports` for example, almost all other forms of I/O suffer. The USB mouse that I use starts to lag terribly, USB flash drive transfers slow tremendously, etc. How are these two different sets of I/O causing interference with one another? Is this a result of me running a uniprocessor board? (given the SMPng enhancements?) Is this just something I'm going to have to cope with, or is there some other way I can give USB I/O higher priority? Cheers, -R. Tyler Ballance
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