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Thread: Hard disk thrashing, esp after boot?

  1. #1

    Default Hard disk thrashing, esp after boot?

    Acer Travelmate laptop, 1.3GHz Pentium M, 12MB Ram. Opensuse 11.4 (upgraded from 11.3)

    Vanilla install, not running anything special, always startup and shutdown from scratch, never sleep

    For several minutes after KDE appears and I open an app (any app, e.g. Chrome) the hard disk is going nuts. WTF is it doing and how do I stop it? Also some programs take years to start, e.g. digicam took TEN minutes the other day even after waiting a while after booting, the disk thrashing the whole time. But in 11.3 it started almost instantly. Again, WTF?

  2. #2
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    Default Re: Hard disk thrashing, esp after boot?

    I'm sure you don't mean 12MB of ram, do you? Even Windows 95 would struggle with that. If that's all there is, No wonder it's thrashing (swapping like crazy). You really need >512MB and the more the better (double that or more with KDE4).

  3. #3
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    Default Re: Hard disk thrashing, esp after boot?

    If instead you meant 512MB, you should consider running a much lighter DE such as LXDE (installable by Pattern - see YaST), or one of the others offered by openSUSE (usually all included on the DVD).

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    Default Re: Hard disk thrashing, esp after boot?

    consused wrote:

    >
    > If instead you meant 512MB, you should consider running a much lighter
    > DE such as LXDE (installable by Pattern - see YaST), or one of the
    > others offered by openSUSE (usually all included on the DVD).
    >

    It can be that nepomuk/strigi do heavy indexing in the background (which
    would also explain why the hard disk is contiously accessed). I would check
    if by pressing [CTRL] [ESC] some processes with nepomuk or strigi in its
    name are running.
    If yes I would disable the services in the control center.

    --
    PC: oS 11.3 64 bit | Intel Core2 Quad Q8300@2.50GHz | KDE 4.6.2 | GeForce
    9600 GT | 4GB Ram
    Eee PC 1201n: oS 11.4 64 bit | Intel Atom 330@1.60GHz | KDE 4.6.0 | nVidia
    ION | 3GB Ram

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    Default Re: Hard disk thrashing, esp after boot?

    Quote Originally Posted by martin_helm View Post
    It can be that nepomuk/strigi do heavy indexing in the background (which
    would also explain why the hard disk is contiously accessed). I would check
    if by pressing [CTRL] [ESC] some processes with nepomuk or strigi in its
    name are running.
    If yes I would disable the services in the control center.
    That may be so, but even with those services disabled on a 1.8GHz cpu with 512MB ram and KDE4, I needed to upgrade the ram by adding 1GB to improve the response while increasing the number of concurrent applications.

  6. #6

    Default Re: Hard disk thrashing, esp after boot?

    D'oh, yes, should have read 512MB.

    Will check for services, thanks but amazed that the difference between 11.3 and 11.4 means I need to double my RAM, esp re: DigiKam! Looks like I'll have to drop back. Can I get/run DigiKam, Chrome, Google Earth and XBMC under LXDE or whatever?

  7. #7
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    Default Re: Hard disk thrashing, esp after boot?

    I do not disagree that 512M is a bit too less for KDE 4. But you do not need
    an awfull lot more.
    This week I installed 11.4 32 bit on an old Amilo 1703 La for my step son.
    We tested KDE4 and it works really well with only 896 MB RAM (which is the
    available 1GB RAM minus the 128 MB which are used by the shared memory for
    the graphics card) and this was also the feedback he gave me today that it
    is now faster. He had Linux Mint 10 with Gnome on it before and believe it
    or not, my feeling was that KDE is more responsive on that machine.
    I also disabled the nepomuk service there.

    But back to the topic, I think it is worth a try to to put KDE a bit on diet
    and see if it works on the 512 MB. (I found that this seems to be the real
    amount of RAM by the hints google gives for Acer Travelmate laptop, 1.3GHz
    Pentium M). If it does not work well the OP can still use a more lightweight
    DE.

    --
    PC: oS 11.3 64 bit | Intel Core2 Quad Q8300@2.50GHz | KDE 4.6.2 | GeForce
    9600 GT | 4GB Ram
    Eee PC 1201n: oS 11.4 64 bit | Intel Atom 330@1.60GHz | KDE 4.6.0 | nVidia
    ION | 3GB Ram

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    Default Re: Hard disk thrashing, esp after boot?

    Well LXDE is more Gnome like, but you can run KDE apps under Gnome, so I don't see why not on LXDE. I'm not saying the upgrade is needed for 11.4, as I made it mainly for application reasons and 11.2 (Gnome was quicker than KDE) to 11.3. It also depends how you use it for applications and whether that includes concurrent multimedia, or even virtualization (e.g. vitrtualbox). It can also depend on what graphics chip/card you use. I just think 512MB is a bit low for KDE unless you run your larger apps one at a time. Digikam can be heavy on memory and has a bit of a track record for mem leaks, but that is one I use.

    Others may like to recommend a more KDE like but lighter DE...

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    Default Re: Hard disk thrashing, esp after boot?

    Quote Originally Posted by martin_helm View Post
    We tested KDE4 and it works really well with only 896 MB RAM (which is the
    available 1GB RAM minus the 128 MB which are used by the shared memory for
    the graphics card) and this was also the feedback he gave me today that it
    is now faster. He had Linux Mint 10 with Gnome on it before and believe it
    or not, my feeling was that KDE is more responsive on that machine.
    I also disabled the nepomuk service there.
    I would go along with that. I only added 1GB to max-out the second memory slot as it was the most cost-effective upgrade. I wouldn't have wanted a further upgrade on that machine, as I was adding a newer and more powerful one.

  10. #10

    Default Re: Hard disk thrashing, esp after boot?

    Mine will be shared video RAM too come to think of it. 1GB upgrade it is then.

    To Ebay!

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