Date: Tue, 11 Nov 2008 07:35:43 -0800 From: Chris Pratt <eagletree@hughes.net> To: FreeBSD-Questions Questions <freebsd-questions@freebsd.org> Subject: 128 Bucket Failures? Message-ID: <F349C4D5-EC11-4138-8D7F-17CD6C1A3C8B@hughes.net>
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I have asked this before a couple of years ago but received no replies. I assumed that's because it's a somewhat obscure question. I'm still interested and thought I might try again in case someone new is watching this list who might know. A vmstat -z on my highest traffic server always shows the failures as below on 128 Bucket. It also goes to having 0 free rather soon after the system is restarted and never returns to having more than 1 free in that column and yet always has the highest number of requests by far. Does this mean anything significant? Is it something I should tune or even can be tuned? Here is the output of the vmstat -z with everything chopped out besides the 128 Bucket line. The machine it's on is an 8 core 8 GB Tyan and shouldn't really be starved for anything in my way of thinking. vmstat -z ITEM SIZE LIMIT USED FREE REQUESTS FAILURES 128 Bucket: 1048, 0, 2043, 0, 13591, 6511069
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