Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 26 Jun 2012 17:34:09 +0200
From:      "Ronald Klop" <ronald-freebsd8@klop.yi.org>
To:        freebsd-fs@freebsd.org
Subject:   Re: [PATCH] Simple ARC stats in top
Message-ID:  <op.wgin67ll8527sy@ronaldradial.versatec.local>
In-Reply-To: <op.wgins2ez34t2sn@tech304>
References:  <201206251443.41768.jhb@freebsd.org> <op.wgik62ia34t2sn@tech304> <4FE9CC00.9090501@FreeBSD.org> <op.wgins2ez34t2sn@tech304>

next in thread | previous in thread | raw e-mail | index | archive | help
Nr. of page vs. KB size?

Ronald.

On Tue, 26 Jun 2012 17:25:40 +0200, Mark Felder <feld@feld.me> wrote:

> On Tue, 26 Jun 2012 09:49:36 -0500, Andriy Gapon <avg@freebsd.org> wrote:
>
>>
>> Please also reproduce the zfs-stats lines preceding the quoted output.
>
> zfs2# zfs-stats -A
>
> ------------------------------------------------------------------------
> ZFS Subsystem Report				Tue Jun 26 10:24:40 2012
> ------------------------------------------------------------------------
>
> ARC Summary: (HEALTHY)
> 	Memory Throttle Count:			0
>
> ARC Misc:
> 	Deleted:				87.09m
> 	Recycle Misses:				50.58m
> 	Mutex Misses:				299.09k
> 	Evict Skips:				5.28m
>
> ARC Size:				941.88%	5.89	GiB
> 	Target Size: (Adaptive)		100.00%	640.00	MiB
> 	Min Size (Hard Limit):		12.50%	80.00	MiB
> 	Max Size (High Water):		8:1	640.00	MiB
>
> ARC Size Breakdown:
> 	Recently Used Cache Size:	0.66%	40.00	MiB
> 	Frequently Used Cache Size:	99.34%	5.85	GiB
>
> ARC Hash Breakdown:
> 	Elements Max:				29.25m
> 	Elements Current:		100.00%	29.25m
> 	Collisions:				89.81m
> 	Chain Max:				131
> 	Chains:					524.29k
>
> ------------------------------------------------------------------------
>
>> Additionally, please run this script  
>> http://people.freebsd.org/~avg/arc-sizes.sh
>>
>
>
> zfs2# sh arc-sizes.sh
> ARC top-level breakdown:
> size: 6319074560
> hdr_size: 10166488
> data_size: 1513472
> other_size: 245576
>
> ARC size vs hdr_size + data_size + other_size:
> 6319074560 vs 11925536
>
> ARC Data breakdown:
> mfu_size: 212992
> mru_size: 1251328
> anon_size: 49152
>
> Data size vs mfu_size + mru_size + anon_size:
> 1513472 vs 1513472
>
> mfu breakdown:
> data_lsize: 0
> metadata_lsize: 0
>
> other (overhead? ghost entries?): 212992
>
> mru breakdown:
> data_lsize: 0
> metadata_lsize: 49152
>
> other (overhead? ghost entries?): 1202176
>
> anon breakdown:
> data_lsize: 0
> metadata_lsize: 0
>
> other (overhead? ghost entries?): 49152
> _______________________________________________
> freebsd-fs@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?op.wgin67ll8527sy>