Date: Tue, 01 Dec 2015 19:35:44 +0330 From: Hooman Fazaeli <hoomanfazaeli@gmail.com> To: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: mbuf statistics Message-ID: <565DC558.5090108@gmail.com>
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Hi, On an idle freebsd 9.3 system: > vmstat -z | egrep "mbuf_cluster|ITEM" | column -t ITEM SIZE LIMIT USED FREE REQ FAIL SLEEP mbuf_cluster: 2048, 10284, 1152, 56, 4237, 0, 0 > netstat -mb | grep "mbuf clusters in use" 512/696/1208/10284 mbuf clusters in use (current/cache/total/max) one can see that: current + cache == total == USED + FREE but the current/cache values as reported by netstat are very different form USED/FREE values reported by vmstat, so they should have different meaning. The question is: what is the exact meaning of USED/FREE and current/cache values? Is there any relationship between them? -- Best regards Hooman Fazaeli
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