Hi all, I'm trying to understand how my system's memory is being use. My database server is running opensolaris nevada build 96, on a x4100, with the system postgres 8.3 packages. Data is on an external raid, using zfs volumes. It's been up about a month and a half, and I'm not quite sure how to interpret mdb's output:
# mdb -k Loading modules: [ unix genunix specfs dtrace cpu.generic cpu_ms.AuthenticAMD.15 uppc pcplusmp scsi_vhci zfs mpt sd ip hook neti sctp arp usba qlc fctl lofs md random crypto fcip fcp logindmux nsctl sdbc sv ii ptm ufs rdc ipc nfs emlxs ] > ::memstat Page Summary Pages MB %Tot ------------ ---------------- ---------------- ---- Kernel 828286 3235 40% Anon 1193331 4661 57% Exec and libs 4461 17 0% Page cache 273 1 0% Free (cachelist) 2328 9 0% Free (freelist) 66309 259 3% Total 2094988 8183 Physical 2094987 8183 the arcstat perl script shows the arcsz as 2G. swapinfo (from http://www.brendangregg.com/K9Toolkit/swapinfo) shows: # -bash-3.2$ ./swapinfo RAM _____Total 8191.6 Mb RAM Unusable 8.0 Mb RAM Kernel 3239.7 Mb RAM Locked 3469.3 Mb RAM Used 1217.1 Mb RAM Avail 257.5 Mb So, can someone explain what those different fields mean? What is Kernel, Anon, Locked? Why is my kernel using that much memory? thanks seph -- This message posted from opensolaris.org _______________________________________________ opensolaris-discuss mailing list opensolaris-discuss@opensolaris.org
