Date: Thu, 2 Feb 2023 21:41:44 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: jbo@insane.engineer, "hackers@freebsd.org" <hackers@freebsd.org> Subject: Re: Swap, ZFS & ARC Message-ID: <1689ba8c-a317-ce1f-2854-99566468a9ed@grosbein.net> In-Reply-To: <ysSGWaXF7vCDubzgFdov_9k6SMLNdZ3-zHV-2LOraYOxV_8yoAkDVPqDSicYsgBw1KdL6BjP4FkK1KFs7NKZ4RRXcSDxVe_Qy_i7b_5AbSI=@insane.engineer> References: <ysSGWaXF7vCDubzgFdov_9k6SMLNdZ3-zHV-2LOraYOxV_8yoAkDVPqDSicYsgBw1KdL6BjP4FkK1KFs7NKZ4RRXcSDxVe_Qy_i7b_5AbSI=@insane.engineer>
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02.02.2023 21:28, jbo@insane.engineer wrote: > Hello folks, > > Based on a discussion on the forums not so long ago I tried to figure out how swap usage on a ZFS system plays together with ARC. However, I could find very little to no information on this which leads me to believe that there is some "core concept" I might be oblivious to. > > The main question is basically this: Your system starts to swap out data from RAM to your swap partition. > This swap data on disk ultimately resides somewhere in a ZFS pool. I prefer not doing this. That is, all my systems have swap partition outside of ZFS pool.
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