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#1 2010-11-25 03:02:24

raginaot
Member
Registered: 2010-11-22
Posts: 53

preloading the whole system into ram

I have 12gigs of ram and I rarely ever reboot so I don't mind long startup times, but I like things to be snappy once I'm in.

Is there any way to load all of the system or atleast some of my most used programs into ram on boot, without making a ram drive?

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#2 2010-11-25 04:18:32

eduardo.eae
Member
From: Reconquista - Argentina
Registered: 2010-01-24
Posts: 68

Re: preloading the whole system into ram

What im planning to do is copy a squashfs'd /usr in my /tmp(tmpfs) and mount it with the help of aufs.
Search in the forum for this.
There is something in the wiki about it but working from the disk HERE

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#3 2010-11-25 12:53:42

Dieter@be
Forum Fellow
From: Belgium
Registered: 2006-11-05
Posts: 2,001
Website

Re: preloading the whole system into ram

just use a readahead tool to warm up your block cache
there are also filesystem-specific parameters to tune how long writes to disk can be buffered (writeback)


< Daenyth> and he works prolifically
4 8 15 16 23 42

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#4 2010-11-26 16:48:10

raginaot
Member
Registered: 2010-11-22
Posts: 53

Re: preloading the whole system into ram

Dieter@be wrote:

just use a readahead tool to warm up your block cache
there are also filesystem-specific parameters to tune how long writes to disk can be buffered (writeback)

nice I didn't know about the readahed tool
thanks

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