For performance sake, should my pagefile be on another physical drive from the OS even when the drive in question is a Raptor?

Posted on 2004-10-31
Last Modified: 2010-04-03
I'm about to make a major upgrade to my computer and I'll have to re-install the OS as a result. No biggie - but I've always put my pagefile on a seperate physical drive from my OS.  But now, my OS will be installed on a 74GB Western Digital Raptor 10K RPM drive.  Should my pagefile STILL reside on another physical drive even if that means it will be on a slower 7200 RPM drive?

I was going to partition up the Raptor into a 10GB OS and applications drive and a 64GB games drive. I was thinking of putting my pagefile on the games drive.

Whaddya think?

PS, In the past I've always had a very generous pagefile (3 times amount of physical RAM).  With 1GB of RAM is that just wasted space now? What a more reasonable size given a GB of RAM

Thanks guys!
Question by:adampk17
    LVL 7

    Accepted Solution

    Raptor is a nice drive I am running a stripe array on 2 of them, I still keep the pagefile on a seperate drive, even the 10K RPM drives do not give an incredible perofrmance boost. I use a seperate drive with Archive files (seldom accessed) and a 1GB Page file (4GB RAM). The more ram you have you do not need to have a page file double sized most things will fit ok. As cheap as HD storage is now, why risk skimping on space... 2GB ram I'd go with 2-2.5GB Pagefile.
    LVL 16

    Assisted Solution

    I think you are at a stalemate here.  What you really need to look at is the performance of the drives.  A few years ago Maxtor 5400 rpm drives actually outperformed many 7200 rpm drives for data transfer and throughput.

    For my 2 cents, I would put the pagefile on the Raptor as it is a faster drive, on your games partition.  Between me, you and the fence post, we are not going to notice a difference between the pagefile being on the 2 drives.  I use the 3x rule for pagefiles also, so for 1gb or RAM I would set my minimum and maximum to 3072.  That will keep it from fragmenting and from dynamically changing, eeking out a little more performance.  

    LVL 7

    Expert Comment

    I beg to differ on the gaming issue, there is a bottle neck on HD throughput. With the pagefile being on a system drive or his gaming drive (which by the ratio sounds like it is the main purpose of the machine) there will be the heavy drive activity anyway with todays games. Put the swap file on that drive not only is it putting more data to drive through a already bottlenecked interface it is also adding a signifigant amount of seek overhead to go back and forth between the game data and swap data. Another drive on a different channel gives a chunk of bandwidth even if the drive is only 80% of the speed the performance is better than stuffing more into the Raptor.
    LVL 9

    Expert Comment

    I heard that if you have about 1 gb of RAM, then pagefile becomes somewhat obsolete.  In other words, you might be better off turning page file "off".

    I just upgraded my ram from 768 mb DDR 3200 to 1280 mb DDR 3200, and I didn't notice any difference, plus my pagefile was on a separate drive from my OS.  So I decided to turn page file off, and I did notice a slight increase in speed, not much, but enough to notice a difference.  That was a month ago, and so far everything has been fine.
    LVL 16

    Expert Comment

    If you are doing anything more than very light paging with today's games, honestly then, pagefile placement is a more minor issue to the physical amount of RAM.  If you are doing almost any paging at all, you would be suffering badly in performance as going to any drive will be so much slower than RAM.

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