Date: Sat, 6 Dec 2014 05:35:20 -0500 From: Yoshihiro Ota <ota@j.email.ne.jp> To: freebsd-current@freebsd.org Subject: sysctl -zarc for ZFS users Message-ID: <20141206053520.7d7cb92fd8987545d3dc3de8@j.email.ne.jp>
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Hi all. I've been watching ZFS activites on my machine and improved systat to monitor such. One of my first goals is to watch ZFS cache statistics. I posted my patch to the bugzilla @ https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195460 I've been using on 11-CURRENT and 10.1-RELEASE myself. Regards, Hiro % systat -zarc Total MFU MRU Anon Hdr L2Hdr Other ZFS ARC 206M 63M 136M 826K 1102K 0K 5251K rate hits misses total hits total misses arcstats : 75% 1183 388 23721 4202 arcstats.demand_data : 0% 0 0 528 0 arcstats.demand_metadata : 76% 1007 308 21441 2757 arcstats.prefetch_data : 0% 0 0 0 0 arcstats.prefetch_metadata: 68% 176 80 1752 1445 zfetchstats : 44% 954 1204 26410 25482 arcstats.l2 : 0% 0 0 0 0 vdev_cache_stats : 0% 0 0 0 0
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