Date: Sun, 05 Dec 2010 19:53:04 +0100 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-fs@freebsd.org Subject: Re: How to choose the size of swap? Message-ID: <op.vm872qsr8527sy@pinky> In-Reply-To: <4CFBD7F9.3000307@ukr.net> References: <4CFBD7F9.3000307@ukr.net>
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On Sun, 05 Dec 2010 19:20:41 +0100, Vladislav V. Prodan <universite@ukr.net> wrote: > We have several servers with 8|16 GB of memory, 2|4 harddrive > (RAID1|RAID10 using ZFS) > These servers will work with Mysql, the size of databases that are > several times larger than the size of memory. > > What would recommend to expose the size of swap? > On a separate partition or a file? > At hand is not loaded with servers that have the swap was over 20 MB ... > In an extreme case, let the output "top v" to this maillist You might not need swap to run the database. But the swap space is also used for making a kernel dump in case of a problem. In that case swap space must be as large as the amount of memory in the machine. (As far as I know.) Ronald.
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