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Old 10-25-2014, 05:39 PM   #1
wigglyz
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Linux Mint 17 - preloading almost everything to make OS faster ??


hello, i'm super new to linux and i love it so far, all the costumization xd. Anyway i've installed preload but i have 20 + gigs of ram, i was curious if their was a way to literally preload my profile before i log in to make it even faster.

i have oc intel xeon 4 ghz. hyperthreading cpu.
20+ gigs of ram.
linux mint 17.
nvidia 650 ti.

thanks and any help is appriciated.
 
Old 12-08-2014, 02:25 AM   #2
rnturn
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Quote:
i've installed preload
Does this mean the OS has been installed?
Quote:
but i have 20 + gigs of ram
Part of me is jealous of your RAM.
Quote:
i was curious if their was a way to literally preload my profile before i log in to make it even faster.
I'm not exactly sure what you mean by this (i.e., can you clarify what you mean by "my profile"?) but I suspect that you're asking if you could load "your profile" into RAM before you're actually logged in. I want to say "no" if that's your question. Linux is a multiuser OS even if you're the only one using your computer. That's the way it's designed. Using RAM to exclusively hold "your profile" would take resources away from other users. Plus, whatever you had preloaded into RAM would disappear once you powered down. (Uunless you had a system populated with battery-backed-up static RAM and I haven't seen a system with that type of RAM in a couiple of decades.) I'm not saying such a setup is impossible, just that it would be weird and unlikely that anyone has done that before and could offer much help. IMHO.

If you're looking to make the system faster than it already is -- a 4GHz Xeon isn't going to find too many CPUs that will beat it -- I'd think that installing the OS on an SSD drive would be the way to go. Solid state drives are almost like running your OS out of RAM. (This was a old performance trick from back in the DOS days, i.e., boot the system and have autoexec.bat copy critical programs that are executed frequently onto a RAM disk and make the RAM disk drive letter first in the PATH.)

If you're experiencing performance problems, the problem probably lies elsewhere. Like your disk setup. But you haven't said anything about your typical workload, disk configuration, etc., so it's pretty much impossible to make any suggestions.

Post more details about your setup and others might be able to help.
 
Old 12-08-2014, 02:45 AM   #3
EDDY1
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Part of me is jealous of your RAM.
Me too & my latest machine has 12G & 3 open slots. Nothing I can do about it with Christmas knocking on the door.
 
Old 12-08-2014, 03:24 AM   #4
Germany_chris
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That's my hold up to Christmas but afterwards it's on to 24 and a pair of 5680's
 
Old 12-08-2014, 04:12 PM   #5
jefro
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You can create a number of ways to use ram as a mount point. It is a somewhat common thing. You have to be sure to resolve your mount points to maintain sync by some means and understand on power crash the sync may be old.
 
Old 12-08-2014, 07:06 PM   #6
rnturn
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Originally Posted by jefro View Post
You can create a number of ways to use ram as a mount point. It is a somewhat common thing. You have to be sure to resolve your mount points to maintain sync by some means and understand on power crash the sync may be old.
But to what end? Does it make sense to transfer the contents of, say, /usr/bin and/or /usr/sbin (what else?) to a RAM disk to speed up the system? 12GB sounds like a lot to me but my /usr/bin and /usr/sbin alone would eat up a good chunk of the OP's available RAM and, while many programs would launch like greased lightning, I'd get to a point where swapping becomes necessary sooner than normal and, if the system begins thrashing, any speed gain from running software out of the RAM disk would be negated. Booting would also take longer while programs are loaded onto the RAM disk. In my experience, RAM disks (including ramfs filesystems) are great but only for very narrowly defined situations -- application data files that are heavily accessed, for example.
 
Old 12-08-2014, 10:24 PM   #7
Soapm
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By profile, I would assume they mean their home drive. Not the system folders.

Of course I come from windows background where profile refers to each users personal items...
 
Old 12-09-2014, 10:00 AM   #8
neerajkolte
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I am a newbie, using linux only since Feb this year. Haven't used windows much too.
My machine has intel i3 and 6gb of ram.
You experts might take a look at Tahrpup 6.0 CE, a 32 bit ubuntu based Puppy linux variant, It can install packages from ubuntu repo from it's package manager.
It can load totally in ram, you can determine intervals to save backs to your hard drive, also saves at shutdown. But it's single user only, that too root.
For Browsers and apps that connect to internet there is an underprivileged user named "spot" or "fido".
So it is only suitable for desktop use I think.
There is a discussion about a multiuser server puppy. Also 64bit Tahr64 is in pre alpha stage.

I use Fatdog64-631 the stable one, and I am testing Fatdog64-700 beta2. It is 64bit puppy made from Linux from scratch.

Then again my needs are minimum. I am only general desktop user. I only mostly use Vlc, Firefox, Libre-office, Libre-CAD etc... being in ram they start and work so fast. My system gets to desktop after I press power ON button in just 13secs, that too not using SSD, Booting from usb2.0 stick.

Just take a look you might get some ideas.

Thanks.

- Neeraj

Last edited by neerajkolte; 12-09-2014 at 10:53 AM. Reason: Links were wrong
 
  


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