Date: Tue, 17 Sep 2013 13:24:49 -0400 From: Mark Saad <nonesuch@longcount.org> To: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: FreeBSD SNMP OID Question Message-ID: <CAMXt9NYZNRqzuCmY4dgQNFaGGO5ruB2o-gBgf0Vhr_dnwjb5NQ@mail.gmail.com>
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All Can someone shed some light on a OID mystery I have. I am using cacti to trend some snmp data off a bunch of FreeBSD servers. I noticed someone added a graph to a cluster for UCDavis - ssRawSwapIn / UCDavis - ssRawSwapOut . The OIDs are .1.3.6.1.4.1.2021.11.62 / .1.3.6.1.4.1.2021.11.63 Their description is Number of blocks swapped in / Number of blocks swapped out . The mystery is the graphs show pages swapping in and out all the time. However the sysctls for swap usage show no indication of swap being used # sysctl -a |fgrep -i swap vm.swap_enabled: 1 vm.nswapdev: 1 vm.swap_async_max: 4 vm.swap_idle_threshold2: 10 vm.swap_idle_threshold1: 2 vm.stats.vm.v_swappgsout: 0 vm.stats.vm.v_swappgsin: 0 vm.stats.vm.v_swapout: 0 vm.stats.vm.v_swapin: 0 vm.disable_swapspace_pageouts: 0 vm.defer_swapspace_pageouts: 0 vm.swap_idle_enabled: 0 # uptime 2:51PM up 203 days, 22:29, 1 user, load averages: 0.00, 0.01, 0.00 # snmpwalk -c MyPassword -v2c -Of server00 .1.3.6.1.4.1.2021.11.62.0 .iso.org.dod.internet.private. enterprises.ucdavis.systemStats.ssRawSwapIn.0 = Counter32: 3588 I am using net-snmp-5.4.2.1 on FreeBSD 9.1-RELEASE amd64 See *http://net-snmp.sourceforge.net/docs/mibs/ucdavis.html -- mark saad | nonesuch@longcount.org
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