On 11/12/2010 06:43 PM, Marko Vojinovic wrote: > On Friday, November 12, 2010 22:14:34 you wrote: >> On Fri, Nov 12, 2010 at 3:55 PM, Marko Vojinovic<vvmarko@xxxxxxxxx> wrote: >>> I traced the issue down to swap usage --- after a couple of days of >>> running, *something* seems to gradually fill the memory with junk >> >> Run top and type "M". That will sort process by their resident memory >> usage. It won't had to spot the offender. > > Ok, sure, I've been advised to do this before, and I've done it many times, > but somehow I'm not any smarter after looking at top output. Maybe I am > reading it wrong, but it just confuses me even further. Here goes, sorted by > memory usage: > > top - 22:16:38 up 10 days, 5:11, 5 users, load average: 0.38, 0.45, 0.37 > Tasks: 200 total, 1 running, 199 sleeping, 0 stopped, 0 zombie > Cpu(s): 10.4%us, 8.5%sy, 0.0%ni, 79.9%id, 1.0%wa, 0.0%hi, 0.2%si, 0.0%st > Mem: 2048088k total, 1657424k used, 390664k free, 18640k buffers > Swap: 4192956k total, 1038432k used, 3154524k free, 566580k cached > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 2528 vmarko 20 0 2029m 171m 19m S 1.3 8.6 564:19.55 firefox > 2397 vmarko 20 0 366m 148m 7460 S 1.3 7.4 230:40.39 skype > 2366 vmarko 20 0 565m 92m 3044 S 0.0 4.6 12:10.68 emerald > 5723 vmarko 20 0 989m 82m 17m S 0.0 4.1 10:29.49 kmail > 1739 root 20 0 471m 59m 11m S 19.9 3.0 3780:01 X > 2021 vmarko 20 0 1380m 57m 9476 S 6.3 2.9 780:37.22 ktorrent > 2016 vmarko 20 0 293m 42m 8176 S 0.7 2.1 137:01.00 skype > 2222 vmarko 20 0 789m 28m 5436 S 0.0 1.4 11:05.85 cairo-dock > 1998 vmarko 20 0 937m 20m 8824 S 4.3 1.0 804:03.95 plasma-desktop > 2603 vmarko 20 0 546m 18m 7088 S 0.0 0.9 1:39.64 kile > 22635 vmarko 20 0 480m 12m 6452 S 0.7 0.6 43:06.53 konsole > 2053 vmarko 9 -11 501m 12m 11m S 0.3 0.6 259:54.25 pulseaudio > 10764 vmarko 20 0 455m 8572 4608 S 0.0 0.4 1:07.09 okular > 32679 vmarko 20 0 285m 8528 5616 S 0.0 0.4 0:00.11 kio_pop3 > > So what do you make of it? > > First 14 processes take up (together) 37.4 %MEM. Except for the last one (I > have no idea what is kio_pop3), all of those are active simultaneously on my > desktop most of the time. > > I have 2 GB of RAM and 4GB of swap, and apparently most of the RAM is used up > and an extra 1 GB of swap. So what apps are using up the remaining 62.6 %MEM? You have almost 400M free and almost 600M cached. Not sure why so much goes into swap. What are the results of the free command after running this command? swapoff -a && swapon -a > > Is there a way to list all processes, sorted by memory usage? Top truncates > the output to the height of the terminal, and I would really like to see if > the %MEM is actually summed up to 100 for all processes. > > By the way, does MEM column refer to RAM or RAM+swap? In any case, I don't see > why my 10+ apps, using a total of 37% of memory can force the system to use > 1GB of swap, on top of 2GB RAM. > > Is there a way to check which pages (belonging to which apps) are being > swapped out? Furthermore, is there a way to understand why is this being > done? What is occupying all that RAM if Firefox and KMail are routinely > swapped out and thus behave in an extremely sluggish way until they finally get > focus (and get swapped back to RAM)? > > I guess it should be a sane system policy that apps currently open on the > desktop not be swapped, unless there is no more RAM for all of them. But all > my desktop apps take up only 37% of that RAM, so why do they get swapped out > in the first place? > > I'd appreciate any clarification on this matter. > > Best, :-) > Marko > > _______________________________________________ > kde mailing list > kde@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/kde > New to KDE4? - get help from http://userbase.kde.org _______________________________________________ kde mailing list kde@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kde New to KDE4? - get help from http://userbase.kde.org
