Date: Mon, 15 Dec 2008 15:10:55 -0500 From: Mike Tancsa <mike@sentex.net> To: Paul MacKenzie <bsdlist@cogeco.ca>, freebsd-stable@freebsd.org Subject: Re: 7.1-PRERELEASE: arcmsr write performance problem Message-ID: <200812152010.mBFKAlZf084580@lava.sentex.ca> In-Reply-To: <4946B6EF.5080806@cogeco.ca> References: <2515BCEE3A2F4CBA8FFB9F1C052924AA@jmlaptop> <4934CB77.30906@transactionware.com> <494698E4.2070406@cogeco.ca> <200812151900.mBFJ0Jom084267@lava.sentex.ca> <4946B6EF.5080806@cogeco.ca>
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At 02:58 PM 12/15/2008, Paul MacKenzie wrote: >This used to be on a 4.11x system with 1 cpu and only 1gb of ram and >ran flawlessly with much less resources with the same web site code >for a long time. I do not have this problem on the other 7.0 >machine. I originally thought it was just a cpu issue but it is very >closely tied to when something is trying to use the raid arrays and >this seems to be the way to reproduce it. > >I am having a hard time determining why the system load is so high. >Can you recommend the best way to identify the culprit? What does top -S show ? Most of the load is in system. Does the machine in question have a rather large master.passwd file by chance ? (http://www.freebsd.org/cgi/query-pr.cgi?pr=75855) ---Mike
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