Date: Thu, 22 Sep 2005 21:52:23 -0400 (EDT) From: Francisco Reyes <lists@natserv.com> To: FreeBSD Performance <freebsd-performance@freebsd.org> Subject: Finding what's causing I/O Message-ID: <20050922214709.Q50836@zoraida.natserv.net>
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Looking at vmstat I see the "b" colun never hits zero and it's usually between 5 and 20. Is there a way to find out which program(s) are causing the I/O? In some of the machines it was near trivial to find the culprit, but have a handfull of machines that I am not sure what the cause of I/O is. The machines are mailservers so they likely will not hold any particular file open long.
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