Date: Tue, 07 Feb 2012 13:43:49 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: "Eugene M. Zheganin" <emz@norma.perm.ru> Cc: freebsd-stable@FreeBSD.org Subject: Re: zfs arc and amount of wired memory Message-ID: <4F310E75.7090301@FreeBSD.org> In-Reply-To: <4F310C5A.6070400@norma.perm.ru> References: <4F30E284.8080905@norma.perm.ru> <4F310115.3070507@FreeBSD.org> <4F310C5A.6070400@norma.perm.ru>
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on 07/02/2012 13:34 Eugene M. Zheganin said the following: > Hi. > > On 07.02.2012 16:46, Andriy Gapon wrote: >> on 07/02/2012 10:36 Eugene M. Zheganin said the following: >>> If I use the script from http://wiki.freebsd.org/ZFSTuningGuide , it says: >>> >>> ===Cut=== >>> ARC Size: 12.50% 363.14 MiB >>> Target Size: (Adaptive) 12.50% 363.18 MiB >>> Min Size (Hard Limit): 12.50% 363.18 MiB >>> Max Size (High Water): 8:1 2.84 GiB >>> ===Cut=== >>> >>> At the same time I have 3500 megs in wired state: >>> >>> >>> Please try sysutils/zfs-stats; zfs-stats -a output should provide a good >>> overview of the state and configuration of the system. >>> > Thanks. But it seems to be the same script. Anyway, it reports the same amount > of memory: > > [emz@taiga:~]# zfs-stats -A zfs-stats -A is not the same as zfs-stats -a > ------------------------------------------------------------------------ > ZFS Subsystem Report Tue Feb 7 17:32:34 2012 > ------------------------------------------------------------------------ > > ARC Summary: (THROTTLED) > Memory Throttle Count: 2.62k > > ARC Misc: > Deleted: 10.17m > Recycle Misses: 1.47m > Mutex Misses: 7.69k > Evict Skips: 7.69k > > ARC Size: 12.50% 363.24 MiB > Target Size: (Adaptive) 12.50% 363.18 MiB > Min Size (Hard Limit): 12.50% 363.18 MiB > Max Size (High Water): 8:1 2.84 GiB > > ARC Size Breakdown: > Recently Used Cache Size: 57.54% 209.01 MiB > Frequently Used Cache Size: 42.46% 154.22 MiB > > ARC Hash Breakdown: > Elements Max: 191.41k > Elements Current: 33.76% 64.63k > Collisions: 27.09m > Chain Max: 17 > Chains: 13.56k > > ------------------------------------------------------------------------ > > I still don't get why I have 3/5 Gigs in wired state. > > Thanks. > > Eugene. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > -- Andriy Gapon
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