Date: Sat, 20 Aug 2011 12:16:52 -0700 From: Yuri <yuri@rawbw.com> To: Gary Gatten <Ggatten@waddell.com> Cc: "'freebsd-questions@freebsd.org'" <freebsd-questions@freebsd.org> Subject: Re: How much memory does ZFS use? Message-ID: <4E500824.5050107@rawbw.com> In-Reply-To: <14599_1313865943_4E5000D7_14599_64_1_D9B37353831173459FDAA836D3B43499C5218872@WADPMBXV0.waddell.com> References: <14599_1313865943_4E5000D7_14599_64_1_D9B37353831173459FDAA836D3B43499C5218872@WADPMBXV0.waddell.com>
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On 08/20/2011 11:45, Gary Gatten wrote: > Zfs isn't a typical daemon/process. That's like saying databased is a memory hog cause it needs a lot of ram for caching. I know it's a kernel module. > > Zfs ram requirements will depend on your file system i/o load, types/sizes of files, types and rates of file system ops, etc. 512MB may be fine, or you may need 4GB for optimum performance. I meant mostly, for the same type of FS access, how does ZFS memory consumption compare with situation if I used UFS? Also how can I see what memory consumption is for each kernel module? Yuri
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