Date: Tue, 5 May 2020 12:09:35 +0200 From: Polytropon <freebsd@edvax.de> To: Nikita Stepanov <nikitastepanov113@yandex.kz> Cc: freebsd-questions@freebsd.org Subject: Re: Does swap increase freebsd performance? Message-ID: <20200505120935.4e1dbb6e.freebsd@edvax.de> In-Reply-To: <3971481588671556@myt2-8316c2cade1b.qloud-c.yandex.net> References: <3971481588671556@myt2-8316c2cade1b.qloud-c.yandex.net>
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On Tue, 05 May 2020 15:39:16 +0600, Nikita Stepanov wrote: > [nothing] Generally speaking, swap is only significant when the system runs out of RAM and needs to swap. It doesn't make anything faster or slower. Swap is disk I/O, which is slower than memory I/O, so when swap is being used, the system is slower, but still responsive - the opposite of being non-responsive and maybe crashing / blocking due to running out of memory. You _can_ understand the presence and use of swap as an increase of performance, compared to that alternative. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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