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    #1

    System Painfully Slow

    Hey guys,
    I am brand new to (K)Ubuntu, I have dabbled with it just a little in the past and want to give it a good shot now and am impressed with it but I am having problems. I installed Kubuntu and everything was good, I was curious about Gnome and read that you can have both installed at the same time and just switch back and forth. I did that and all was working well, I installed Cairo Dock and sometime after that the system ran very slow. In Gnome, it's very slow and in KDE;it's painfully slow.

    Start up used to be pretty quick, now it's also very slow. I would love to get some help from you. Please remember I am a complete noob when it comes to Linux and (k)Ubuntu.

    Thanks for your help!!
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    #2
    Re: System Painfully Slow

    it would be best to first give us some specs of your computer. we can take it from there
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      #3
      Re: System Painfully Slow

      I have a 3.2Ghz cpu with 3G of ram. I have Win7 installed on one hdd and Kubuntu on another. Both drives are SATA drives, I also have other hdd attached for a total of 4.

      When I first installed Kubuntu it ran well, I then installed Gnome, it too ran well. I made some changes etc and now it is running very slow. I checked the cpu usage during all this and it is not running hard at all. yes, of course it hits 100% on occasion but not normally.

      What other info can I give you? I don't know what else.

      Thanks!
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        #4
        Re: System Painfully Slow

        Usually when new users say it's "slow", they are talking about desktop video responsiveness (as opposed to database indexing speed, network transmission, etc. etc.). Don't forget that there are other things going on under the hood besides your web browsing!

        So, you should use the "noatime" option on your mounted filesystems in /etc/fstab.

        And you can review this and learn some tweaks: http://rudd-o.com/en/linux-and-free-...ow-to-fix-that

        Also, you said it slowed down right after you installed Cairo Dock. That may be significant -- I don't know or use Cairo Dock (guess I'm glad ....). You might want to research how to set it for minimal resource consumption.
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          #5
          Re: System Painfully Slow

          Originally posted by johnv
          ....
          I made some changes etc and now it is running very slow. I checked the cpu usage during all this and it is not running hard at all. yes, of course it hits 100% on occasion but not normally.
          .....
          Thanks!
          The normal cause of a box running slow is usually an app taking too much of the CPU. Displaying the task page of the System Monitor, or doing htop or atop in a Konsole.

          Wow. What was I thinking? I never finished that sentence. Must have been distracted by something and sent it without finishing it. I should have written:

          "Display the task page of the System Monitor, or run htop or atop in a Konsole to see what is eating up the CPU cycles. If the CPU cycles are not excessive but your box is still slow then run powertop to see what your IRQs are doing."
          "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
          – John F. Kennedy, February 26, 1962.
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            #6
            Re: System Painfully Slow

            . . . of course it hits 100% on occasion but not normally.
            Perhaps I'm wrong, but I don't think you should ever see 100%. My Kubuntu system right now has 48 windows open on 7 desktops and is playing internet radio. This is an older single core computer but I am averaging much less than 2% CPU usage for system and under 10% CPU usage for the user. If a specific task occasionally brings it over 50% then I start to get delays.
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              #7
              Re: System Painfully Slow

              Have you done the updates and enabled hardware drivers? 100% CPU means something wrong for sure.
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                #8
                Re: System Painfully Slow

                Hey guys,
                Thanks to all for replying and trying to help. I think part if not all the problem was the hard drive was failing, I found another hdd laying around and installed it and am just using gnome on it for now. it's fast and responsive and I will settle for that right now.

                Thank you to all who gave suggestions and wanted to help!
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                  #9
                  Re: System Painfully Slow

                  I started my Linux journey with KDE on SUSE 8.0, this was 1999, after that I switched to PCLOS, another excellent KDE distro, finally when Ubuntu came out, I was on that and Gnome till last month when part curiosity and part dissatisfaction with Pulse audio in Gnome made me try out, when I did, after some initial learning curve and hiccups, its WOW! I am permanently back to KDE, KWIN rocks, KDE apps rock, K3B, KDENLIVE, KTORRENT, SoundKonverter are just to name a few, I am surprised how well Kwin runs on my low end Nvidia 8400GS, I find its reponse snappier than Compiz on Gnome, memory use is on par with Gnome but interface, overall response of system is just too good and so is the look so its KDE 4 for me, with Gnome switching to the newer Gnome 3 version, I would rather now stay with the mature KDE 4.5 and above.
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