Re: how much swap for 10g on a 4Gb RAM system?

From: Palooka <>
Date: Wed, 30 Jul 2008 23:41:02 +0100
Message-ID: <%56kk.87585$Eo3.71785@newsfe14.ams2>

joel garry wrote:

> On Jul 29, 12:19 pm, Palooka <> wrote:

>> obakesan wrote:
>>> Hi
>>> I'm just going through installing 10g and wondered about the swap
>>> requirements. The documents I'm reading suggest:
>>> " Swap space should be twice the amount of RAM for systems with 2GB of
>>> RAM or less and between one and two times the amount of RAM for systems with
>>> more than 2GB. "
>>> Since I've got 4 Gig, do I really need 4Gig of Swap? I'm not pressing this
>>> system as its just a "learning" platform.
>>> Has anyone got any experience with trying this with less:
>>> $ grep -i swaptotal /proc/meminfo
>>> SwapTotal: 2031608 kB
>> Surely it can't hurt just to follow the instructions, can it?
>> Palooka
> Yes, it can.  It can hurt a lot.  That's why the instructions change
> over time, and sometimes do not reconcile between release notes,
> installation guides and metalink notes.  Platform specific issues can
> be especially irritating, and the range of configuration issues over
> various linux releases is quite broad.


I confess to being a little surprised at this. If Oracle say double the RAM, why not just do so? A few gig of disk space is surely neither here nor there nowadays. Can you elucidate?

Palooka Received on Wed Jul 30 2008 - 17:41:02 CDT

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