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Thread: openSUSE and Transmission slowdown

  1. #1
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    Default openSUSE and Transmission slowdown

    Hello, i was wondering if its a normal behaviour that when using transmission p2p application, my opensuse desktop feels alot slower than if not.

    I mean, my applications take alot longer to actually launch and everythings feels a bit slower.
    I checked htop on my console and nothing is eating at least CPU resources.



    Thanks

  2. #2
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    Default Re: openSUSE and Transmission slowdown

    resources are finite, once used in one area (torrent) they are not
    available in another (desktop rendering/actions)..

    if your machine is doing the best it can and is too slow then the
    alternatives are:

    1. stronger machine
    or
    2. less load

    if your machine is not doing its best (perhaps due to setup problems)
    that is a different matter..

    if you wish desktop actions to not be impacted by a background
    torrent, then either pick a torrent programmed to be nice, or use nice
    to start it..

    see man nice

    --
    CAVEAT: http://is.gd/bpoMD
    Tried LibreOffice? Do that and help at http://is.gd/dZ9j2W
    [NNTP via openSUSE 11.3 + KDE4.5.5 + Thunderbird3.1.8]

  3. #3
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    Default Re: openSUSE and Transmission slowdown

    I think a simple torrent program should be a problem.
    Athlon II X4 3.0Ghz
    2 GB DDR2

    Its weird because, when i leave the pc unatended for a while and then for example launch konqueror it takes maybe 5-10 seconds for it to open.
    But later on, after using the pc for a while, it gets almost as reponsive as it should be.

  4. #4
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    Default Re: openSUSE and Transmission slowdown

    What does 'top' tell you

    Do you have spindown enabled maybe?
    Leap 15_KDE
    My Articles Was I any help? If yes: Click the star below

  5. #5
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    Default Re: openSUSE and Transmission slowdown

    On 04/04/2011 03:36 PM, assas1n wrote:
    >
    > Its weird because, when i leave the pc unatended for a while and then
    > for example launch konqueror it takes maybe 5-10 seconds for it to
    > open.


    i think that is caused by various power savings functions...either in
    the machines BIOS, or in Linux, or both..

    many machines will let the hard drive spin down after some minutes of
    inactivity...of course if you have a torrent running i'd guess the
    drive is active...but, none of the desktop things would be going..

    and, if you have a torrent going full blast, then because nothing else
    is happening the torrent will have taken over almost all of the
    memory, clock cycles and ins-and-outs...to move max data...which is
    what you want, right?

    and, then when you come back and start move the mouse, hit the key,
    and etc the system has shut down the screen saver, crank up the
    graphics chip, move the mouse cursor as you commanded, maybe bring
    FireFox to live again and while it throttles back the torrent, network
    and hard drive demands, rearrange the memory, etc etc etc so as to
    release resources you are demanding be put to use in other places..

    it doesn't take long, but it is not instantaneous..

    do you dual/multi-boot? how do your other systems compare...i mean,
    maybe you do have a problem which _can_ be solved...10 seconds sounds
    high to me...have you actually put a stop watch on it?

    --
    CAVEAT: http://is.gd/bpoMD [NNTP via openSUSE 11.3 + KDE4.5.5 +
    Thunderbird3.1.8] Can you believe it? This guy Ralph wins $181 million
    in the lottery last Wednesday, and then finds the love of his life
    just 2 days later. Talk about LUCK!

  6. #6
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    Default Re: openSUSE and Transmission slowdown

    I must go to classes at the moment. But will do a further research on power savings features and such.
    Will post back ASAP.


    Thanks !

  7. #7
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    Default Re: openSUSE and Transmission slowdown

    Well, checked the powersavings, and there is no disk spindown. Only CPU throttling (Cool'n'Quiet).

    top just getting to my computer from inactivity. I left Opera running since the last time i used the computer, lots of flash and stuff, hence the CPU usage, but with or without Opera its the same behaviour.
    It took 4-5 seconds to Konsole to open.

    Code:
    top - 19:33:24 up 1 day,  2:46,  3 users,  load average: 0.11, 0.18, 0.24
    Tasks: 180 total,   1 running, 179 sleeping,   0 stopped,   0 zombie
    Cpu(s): 12.7%us,  6.3%sy,  0.0%ni, 80.2%id,  0.5%wa,  0.0%hi,  0.3%si,  0.0%st
    Mem:   2054812k total,  1984876k used,    69936k free,    21216k buffers
    Swap:  2104476k total,   185940k used,  1918536k free,   402540k cached
    
      PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                                           
    21665 gabriel   20   0 1255m 860m  17m S   52 42.9 101:47.54 opera                                                                                                                             
    21883 gabriel   20   0  986m 354m  11m S   15 17.6  44:10.61 operapluginwrap                                                                                                                   
     1316 root      20   0  155m  32m 5072 S    2  1.6  22:03.69 Xorg                                                                                                                              
    25765 gabriel   20   0  435m  22m  16m S    2  1.1   0:02.83 konsole                                                                                                                           
     9687 gabriel   20   0  408m  43m 4876 S    1  2.2  27:55.96 transmission-gt                                                                                                                   
    23344 gabriel   20   0  329m  16m 9228 S    1  0.8   1:44.38 smplayer                                                                                                                          
     3267 gabriel   20   0  531m 6112 4332 S    0  0.3   0:13.00 kded4                                                                                                                             
     3656 gabriel   20   0  285m  21m 1324 S    0  1.1   0:51.74 mysqld                                                                                                                            
    25726 root      20   0     0    0    0 S    0  0.0   0:00.18 kworker/3:1                                                                                                                       
    25736 root      20   0     0    0    0 S    0  0.0   0:00.12 kworker/1:2                                                                                                                       
    25781 gabriel   20   0  8672 1160  788 R    0  0.1   0:00.16 top                                                                                                                               
        1 root      20   0 12408  492  468 S    0  0.0   0:01.84 init                                                                                                                              
        2 root      20   0     0    0    0 S    0  0.0   0:00.08 kthreadd                                                                                                                          
        3 root      20   0     0    0    0 S    0  0.0   0:00.67 ksoftirqd/0                                                                                                                       
        6 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/0                                                                                                                       
        7 root      RT   0     0    0    0 S    0  0.0   0:00.18 watchdog/0                                                                                                                        
        8 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/1                                                                                                                       
       10 root      20   0     0    0    0 S    0  0.0   0:00.39 ksoftirqd/1                                                                                                                       
       12 root      RT   0     0    0    0 S    0  0.0   0:00.17 watchdog/1                                                                                                                        
       13 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/2                                                                                                                       
       15 root      20   0     0    0    0 S    0  0.0   0:00.27 ksoftirqd/2                                                                                                                       
       16 root      RT   0     0    0    0 S    0  0.0   0:00.19 watchdog/2                                                                                                                        
       17 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/3                                                                                                                       
       19 root      20   0     0    0    0 S    0  0.0   0:00.21 ksoftirqd/3                                                                                                                       
       20 root      RT   0     0    0    0 S    0  0.0   0:00.15 watchdog/3                                                                                                                        
       21 root       0 -20     0    0    0 S    0  0.0   0:00.00 cpuset                                                                                                                            
       22 root       0 -20     0    0    0 S    0  0.0   0:00.00 khelper                                                                                                                           
       23 root       0 -20     0    0    0 S    0  0.0   0:00.00 netns                                                                                                                             
       24 root      20   0     0    0    0 S    0  0.0   0:00.32 sync_supers                                                                                                                       
       25 root      20   0     0    0    0 S    0  0.0   0:00.00 bdi-default                                                                                                                       
       26 root       0 -20     0    0    0 S    0  0.0   0:00.00 kintegrityd                                                                                                                       
       27 root       0 -20     0    0    0 S    0  0.0   0:00.00 kblockd                                                                                                                           
       28 root       0 -20     0    0    0 S    0  0.0   0:00.00 kacpid                                                                                                                            
       29 root       0 -20     0    0    0 S    0  0.0   0:00.00 kacpi_notify                                                                                                                      
       30 root       0 -20     0    0    0 S    0  0.0   0:00.00 kacpi_hotplug                                                                                                                     
       31 root       0 -20     0    0    0 S    0  0.0   0:00.00 ata_sff                                                                                                                           
       32 root      20   0     0    0    0 S    0  0.0   0:00.08 khubd                                                                                                                             
       33 root       0 -20     0    0    0 S    0  0.0   0:00.00 md                                                                                                                                
       34 root       0 -20     0    0    0 S    0  0.0   0:00.00 kondemand                                                                                                                         
       59 root      20   0     0    0    0 S    0  0.0   0:00.00 khungtaskd

  8. #8
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    Default Re: openSUSE and Transmission slowdown

    Quote Originally Posted by assas1n View Post
    Hello, i was wondering if its a normal behaviour that when using transmission p2p application, my opensuse desktop feels alot slower than if not.

    I mean, my applications take alot longer to actually launch and everythings feels a bit slower.
    I checked htop on my console and nothing is eating at least CPU resources.
    I know this won't be much helpful but 'desktop feels a lot slower' can be many things. For example (and not approaching system load areas), if your transmission is pumping at full speed and consuming all your bandwidth, any applications that might do network activity on start can eventually suffer from it.

    Image application 'foobar' which does several network operations before it loads the UI (ex: DNS lookups, remote API checks, etc), if your bandwidth is being consumed by torrent activity, it can eventually take much longer to startup because it's doing network operations in the background and the network is bottleneck'ed at some point (maybe the cause is transmission, or something else).

    This is just one example of what could induce users to have a 'slower desktop'. Of course further diagnosis is required to figure out what is happening

  9. #9
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    Default Re: openSUSE and Transmission slowdown

    Indeed, im mostly uploading at 2 MiB/s. Most of the torrents being Linux Distributions, helping where i can

  10. #10
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    Default Re: openSUSE and Transmission slowdown

    On 04/05/2011 01:06 AM, assas1n wrote:
    >
    > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    > 21665 gabriel 20 0 1255m 860m 17m S 52 42.9 101:47.54 opera
    > 21883 gabriel 20 0 986m 354m 11m S 15 17.6 44:10.61 operapluginwrap
    > --------------------


    67 percent of the CPU clock cycles and over 60 percent of the memory is
    tied up with Opera and what it is doing..

    shut down Opera and put a stop watch on Konsole opening (mine opens in
    about 1 second (maybe less--i don't have a stop watch handy), with
    Firefox and Opera together open but taking less than 5% CPU and 10% memory..

    maybe your Opera has a problem--i do not know?
    do you have lots of tabs open doing lots of stuff? like maybe streaming
    video and/or music...and also downloading files, and and and...

    if so, remember you are using up the resources needed to make Konsole
    spring to life in an eye blink..

    i repeat: resources are finite, once used in one area
    (Opera/torrent/streaming/etc) they are not available in another (desktop
    rendering/actions/opening Konsole, etc)..

    --
    CAVEAT: http://is.gd/bpoMD [NNTP via openSUSE 11.3 + KDE4.5.5 +
    Thunderbird3.1.8] Can you believe it? This guy Ralph wins $181 million
    in the lottery last Wednesday, and then finds the love of his life just
    2 days later. Talk about LUCK!

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