Jason J. W. Williams
2007-Jan-23 01:23 UTC
[zfs-discuss] Understanding ::memstat in terms of the ARC
Hello all, I have a question. Below are two ::memstat outputs about 5 days apart. The interesting thing is the "anonymous" memory shows 2GB, though the two major hogs of that memory (two MySQL instances) claim to be consuming about 6.2GB (checked via pmap). Also, it seems like the ARC keeps creeping the kernel memory over the 4GB limit I set for the ARC (zfs_arc_max). What I was also, curious about, is if ZFS affects the cachelist line, or if that is just for UFS. Thank you in advance! Best Regards, Jason 01/17/2007 02:28:50 GMT 2007 Page Summary Pages MB %Tot ------------ ---------------- ---------------- ---- Kernel 1485925 5804 36% Anon 855812 3343 21% Exec and libs 7438 29 0% Page cache 3863 15 0% Free (cachelist) 185235 723 4% Free (freelist) 1629288 6364 39% Total 4167561 16279 Physical 4078747 15932 01/22/2007 01:17:32 GMT 2007 Page Summary Pages MB %Tot ------------ ---------------- ---------------- ---- Kernel 1534184 5992 37% Anon 538054 2101 13% Exec and libs 7497 29 0% Page cache 18550 72 0% Free (cachelist) 1384165 5406 33% Free (freelist) 685111 2676 16% Total 4167561 16279 Physical 4078747 15932
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