Accumulating swap over time
Douglas Phillipson
phillipd at oem.doe.gov
Fri Dec 30 16:47:38 UTC 2005
I think I figured out what is causing my swap problem. I was rotating
through a bunch of pictures with the "slide show" feature for my
background screen with KDE. After a little while my memory got full and
swap fully used. Then memory would release but swap usage remained. So
there might be a memory leak in KDE's "Desktop Background" slideshow
code. If I disable the slide show it doesn't occur.
Thanks for the opinions
Doug P
Mike McCarty wrote:
> John Summerfied wrote:
>
>> Douglas Phillipson wrote:
>>
>>> Running FC4 kernel 2.6.14-1.1653_FC4smp. I seem to accumulate a
>>> large amount of swap over time. (A few days. I'm not running any
>>> unusual apps. My memory stastics (xosview) says I have gobs of free
>>> memory but after a while, even with a gig or more of free RAM my swap
>>> goes up to several hundred megabytes and things slow way down. The
>>> disk swaps madly and then backs off for a while. It seems to be
>>> cyclic in nature but the swap never goes away until a reboot. At all
>>> times I have in excess of a gig of free RAM. The only apps I'm
>>> running are Firefox, Thunderbird, openoffice 2.0, perhaps a music
>>> player on this machine under KDE 3.5.0.
>>
>>
>>
>> AFAIK Mozilla (and probably derivitives) leak memory fairly badly.
>> I've reported it to mozilla.org (as have others), but not knowing how
>> not to have the problem I can't describe to them how to have the
>> problem, and they didn't seem very interested.
>>
>> Here are my memory hogs:
>>
>> 13973 summer 15 0 407m 201m 15m S 1.7 41.3 327:17.73 mozilla-bin
>> 6200 root 15 0 240m 35m 2292 S 4.0 7.3 203:13.70 X
>> 5959 summer 15 0 189m 34m 10m S 0.0 7.1 5:17.81
>> thunderbird-bin
>> 7491 summer 15 0 210m 34m 18m S 0.0 7.0 20:37.67 soffice.bin
>>
>>
>
> My system looks very similar...
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 4155 root 15 0 195m 31m 4000 S 2.2 13.2 2385:07 X
> 13937 jmccarty 16 0 134m 31m 9m S 0.0 13.2 104:53.28
> thunderbird-bin
> 26893 jmccarty 16 0 133m 21m 9644 S 0.0 8.8 4:52.89 mozilla-bin
> 4517 jmccarty 15 0 30836 9648 4160 S 1.9 3.9 2:27.15 gnome-terminal
> 4462 jmccarty 16 0 44300 7476 3692 S 0.0 3.0 1:32.43 nautilus
> 4470 jmccarty 25 10 33868 5872 2548 S 0.0 2.4 5:23.62 rhn-applet-gui
> 4403 jmccarty 16 0 15316 4164 3220 S 0.0 1.7 4:34.03 metacity
> 4515 jmccarty 16 0 22104 4096 2932 S 0.0 1.7 2:41.79 wnck-applet
> 4460 jmccarty 16 0 26960 3996 2752 S 0.0 1.6 1:08.55 gnome-panel
>
> All the rest is (individually) less than 1%.
>
> Mike
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