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Why swap space has to be twice of your computer RAM?
Under General Ent By Debaprasad on August 28, 2007 05:50 am | 6902 views 1 vote 3 comments del.icio.us Permalink
Why the swap space used in linux installation should be twice of your computer RAM? and also why the limits are fixed to minimum is 32mb and maximum is 2048mb?
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 Deba you rocks!!
 By : Amit Tyagi on Aug 28, 2007 10:33 pm
 this "Double your memory" is a guide, and is appropriate for lessert amounts of Memory. SWAP space is not essential, it's basically an overrun place for the memory, so if u fill the memory, it'll start using Swap. So for this reason, someone with 512MB ram would need MORE swap space than someone with 1024MB ram running the same programs etc. Personally i have a 1 GB Swap partition and 2GB hard disk space, and i find that i rarely use the SWAP space unless i have memory hungry programs open for a long time.

Also making more swap space wont necesarily speed up the computer, cos although it effectively is RAM as far as the system is concerned, because it is on the hard disk, obviously it has to read and write to the disk, so it wont really speed the system up anywhere near as much as putting more actual RAM in the computer
 By : amit on 30 Aug 2007 03:49 am
 Thanks amit for the info.
 By : d_rocklife on 30 Aug 2007 04:43 am
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