Date: Wed, 30 Apr 2003 16:15:22 -0700 From: Benjamin Krueger <benjamin@seattlefenix.net> To: "Jin Guojun [DSD]" <j_guojun@lbl.gov> Cc: Michael Nottebrock <michaelnottebrock@gmx.net> Subject: Re: SWAP size Message-ID: <20030430231522.GO11702@surreal.seattlefenix.net> In-Reply-To: <3EB05582.297F50AE@lbl.gov> References: <200304281054.48976.ryba@kompakt.pl> <20030430174616.E59039@lorax.ubergeeks.com> <3EB05582.297F50AE@lbl.gov>
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* Jin Guojun [DSD] (j_guojun@lbl.gov) [030430 15:54]: > > Summary: > If you have a lot of memory and you are able to control all processes > not to overrun the system memory, 0.5 - 1x swap is OK; you need some > swap space to back up yourself in case something happens. > That is why 2x is recommended; but not required if this is not a server. > > For server, 2x may be required, and typically 2.5x is needed. In what instance can you expect to have server processes that are ok to page to disk? Maybe I'm wrong, but I've always considered a server that is paging my important processes to disk a broken server in need of ram. -- Benjamin Krueger
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