Thanks, not as much as I was hoping for but still extremely helpful.
Can you, or others have a look at this: http://cuddletech.com/arc_summary.html This is a PERL script that uses kstats to drum up a report such as the following: System Memory: Physical RAM: 32759 MB Free Memory : 10230 MB LotsFree: 511 MB ARC Size: Current Size: 7989 MB (arcsize) Target Size (Adaptive): 8192 MB (c) Min Size (Hard Limit): 1024 MB (zfs_arc_min) Max Size (Hard Limit): 8192 MB (zfs_arc_max) ARC Size Breakdown: Most Recently Used Cache Size: 13% 1087 MB (p) Most Frequently Used Cache Size: 86% 7104 MB (c-p) ARC Efficency: Cache Access Total: 3947194710 Cache Hit Ratio: 99% 3944674329 Cache Miss Ratio: 0% 2520381 Data Demand Efficiency: 99% Data Prefetch Efficiency: 69% CACHE HITS BY CACHE LIST: Anon: 0% 16730069 Most Frequently Used: 99% 3915830091 (mfu) Most Recently Used: 0% 10490502 (mru) Most Frequently Used Ghost: 0% 439554 (mfu_ghost) Most Recently Used Ghost: 0% 1184113 (mru_ghost) CACHE HITS BY DATA TYPE: Demand Data: 99% 3914527790 Prefetch Data: 0% 2447831 Demand Metadata: 0% 10709326 Prefetch Metadata: 0% 16989382 CACHE MISSES BY DATA TYPE: Demand Data: 45% 1144679 Prefetch Data: 42% 1068975 Demand Metadata: 5% 132649 Prefetch Metadata: 6% 174078 --------------------------------------------- Feedback and input is welcome, in particular if I'm mischarrectorizing data. benr. This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
