Ubuntu :: High Memory Usage Under 64 Bit?

Jul 11, 2010

My problem seems to be very simple, it's high memory usage. I occasionally will use movie player to watch a few shows and I use firefox as well. My memory usage starts out real small about 500 mb but after using firefox lightly and movie player it jumps to almost 2 gigs and this is after they've been closed what gives? I've attached an image so you can see what I'm talking about.

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Debian :: High Memory Usage In Cache?

Mar 12, 2011

I've installed my debian sid about one month ago (first xfce, next gnome) but noticed that it's kind of really slow. The upgrades take ages, launching (and using) firefox takes so much time,... In comparaison to my ubuntu, archlinux (on the same computer) or previous installation of debian there is clearly a problem somewhere.Today I tried to do a "top" sorted by mem usage : 3.5% xulrunner-stub, 2.1% dropbox, 1.4% aptitude (doing upgrade), 1.4% clementine,... nothing terriblebut still I've 2.7Gb or RAM used (more than 50%)

$ free -m
total used free shared  buffers cached
Mem:  3967 26851282  0 79 1938

[code]....

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Fedora :: Setroubleshootd: High Memory Usage After F13 To F14 Upgrade

May 11, 2011

I upgraded from Fedora 13 to 14 over the network. Everything seems to have worked. The one problem after my install is that I have noticed that setroubleshootd consumes alot of memory.

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It doesn't take long for setroubleshootd to jump in memory usage. I can kill the process but it will start up again. I have tried disabling the service but it doesn't show up in /etc/init.d. # service setroubledshootd stop setroubledshootd: unrecognized service So I am not sure what I can do to resolve the issue with setroubleshootd besides killing it off every 15 minutes.

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Red Hat / Fedora :: Memory Usage Always High And Utilizing Full?

Jul 14, 2010

In our database, when checking the memory used using top command, we are always seeing 32 GB RAM utilized. We have set the sga_max_size to 8gb and PGA to 3 gb. We have tried shutting down oracle db and then the memory went down to 24GB when checked using top command. After cold reboot of the DB server, it gone down to 1.5 GB.

But once the users are started using after end of day, the memory again gone back to 32 GB.

Top Command output (truncated)
======================
top - 15:18:27 up 5 days, 19:43, 1 user, load average: 0.55, 0.39, 0.32
Tasks: 599 total, 3 running, 596 sleeping, 0 stopped, 0 zombie
Cpu(s): 1.5%us, 0.4%sy, 0.0%ni, 97.9%id, 0.1%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 32949628k total, 32823336k used, 126292k free, 238808k buffers

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Ubuntu :: Make A Program Crash If System Memory Usage Gets Too High?

Jul 19, 2010

Basically I have a machine with 16GB of RAM and have just discovered that using all of it can crash the whole system over one process. How could I run a process on the system in such a way that if more than 90% of system memory is used, the process immediately crashes?

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Security :: Hard Disk Memory Usage Weirdly High

Apr 2, 2010

i am having a problem that i would call a bit "important" with my server. so, from last 3 weeks the used space of my hard disk (RAID I) started growing up. i have 2 x 1 tb HDD working on RAID I and i did not install anything those weeks. the space just started changing from 90 GB till 580 GB. now the situation is stable there but i think it's not normal.

the bandwidth usage is low (like 120 gb in 2 months) and i am running 6 counter strike gameservers, a forum, a very little website and some local stuffs... a friend of mine told me that my server could have been hacked but i am afraid it did... some useful informations: when i reboot the server the used space goes down again to ~100 GB and then it starts going up again. i cant really find where all those files are located:

[Code]...

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Ubuntu :: Gnome-settings-daemon Ultra High Memory Usage After Suspend?

Oct 19, 2010

I recently upgraded to Ubuntu 10.10 and I am experiencing an ultra high memory usage of the gnome-settings-daemon of 2GB after suspend! Killing and restarting the daemon solves the issue. Anybody else with this behavior?

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Fedora :: Slow Down High Nautilus Memory Usage After Loading Folder With Lots Of Images?

Nov 22, 2010

I was browsing my folder with lots of images, after finished i close nautilus and i notice that my computer became slow, so i'll check it with system monitor and had found that nautilus are using almost 100mb of ram (opening 4 tabs). I'm not sure if this was normal or not because i try to reopen the same folder with pcmanfm and it only consumes less than 20mb of ram (opening 4 tabs).
here's the screenshot from system monitor .

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Ubuntu :: High RAM Usage Vs. High CPU Usage

Jul 19, 2011

I am running 10.10 on a netbook (1.6Ghz Atom N270, 2GB RAM). Because it has limited resources, I am currently testing to see which apps I want to use.

Which should take more priority -- an application that uses less RAM or an application that uses less CPU?

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General :: Status Of Memory Usage And Disk Usage Using Sigar In Windows And Ubuntu

Mar 15, 2010

I was trying to get the status of memory usage and disk usage using sigar in windows and ubuntu. done this in windows by just copying the sigar library into jdk library. But i was unable to do so in ubuntu. I've copied the library to java-6-sun library but still can't run the program.

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General :: Ubuntu - Memory Full, Process Memory Usage Doesn't Add Up In Top?

Mar 18, 2011

I have a computer with 16GB of ram. At the moment, top shows all the RAM is taken, (NOT by cache), but the RAM used by the various processes is very far from 16GB.I have seen this problem several times, but I don't understand what is happening.My only remedy so far has been to reboot the machine.

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Software :: Free Database That Has Low Memory Usage And Innodb And Memory Like Engin

May 3, 2011

I am looking for free database that has low memory usage and innodb and memory like engins that has C API and support trigger and client/server support for using in embedded linux systems.

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Red Hat / Fedora :: Get The Value Of CPU Usage - Memory Usage ?

Jan 13, 2009

I am sure that all of us know the result of top command in linux. i want to get the value that the top command return as CPU usage, memory usage. so how do i do(programming relation)?

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Ubuntu :: High CPU Usage In Kubuntu (9.10)?

Feb 12, 2010

I'm running desktop machine with with a core2 duo E6400 with 2GB RAM. I have completed a fresh install of Ubuntu 9.10 (fully updated). I have 10GB root, 2GB swap, 10GB home and 80GB data parititons.

I log in to main administrator account (first boot), create a new user (desktop) account and then use the switch user to log into the desktop account (so logged in to two accounts at the same time).

Whilst logged into the desktop account the CPU usage as seen in system monitor shows the two CPU's alternating at around 100% and the system slows down greatly.

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Ubuntu :: Ram Usage Constantly High?

Apr 12, 2010

Ubuntu 9.04 64-bit I just checked my system monitor and it looks like my memory is at a constant 900 MB's out of 4 gigs of ram. This seems high for only having firefox open.

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Ubuntu :: High X CPU Usage When Using KDE Programs (10.04)?

May 12, 2010

I have recently upgraded from Kubuntu 9.10 to 10.04. I am having trouble with CPU usage by the X server. When running KDE programs (for example Kontact and Amarok) my computer is becoming very sluggish. This seems to be because X is using 90-100% of the CPU constantly when there are any changes to the application (any sort of redraw, even the mouse moving across the screen). I don't experience this with other applications (I am currently writing this from Chromium with no issues at all). Below is all the relevant information I can think to include.

INSTALL PROCESS: Fresh install from Ubuntu 10.04 LiveCD. My /home direrctory is on a separate partition so that has remained unchanged from 9.10. After installing Ubuntu, I installed the kubuntu-desktop package to install kdm and the KDE desktop.

The only real change from my last install is that /var is now also a separate partition (in a bid to save my MySQL data should I have to reinstall again) but it is on the same hard drive as my root partition and so shouldn't be causing any performance issues.

MY X SETUP: Three screen setup using onboard and PCI graphics cards. This worked perfectly before and, after reconfiguring X using nvidia-xconfig works almost as well again. Except that one of my monitors autodetects at 1280x1024 where before it was a higher (and widescreen) resolution.

The issue only presents itself when KDE application screens are visible and disappears when they are hidden (either minimised or closed) As far as Ican tell it could be an X, Qt or KDE issue. But I am not sure what versions of these will have been changed in the upgrade.

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Ubuntu :: Very High RAM Usage On Startup - 800 MB?

Aug 2, 2010

I don't understand why I have a 800MB usage at startup. I didn't add any programs to start at startup. I do though have 10 primary partitions that are auto mounted at startup but it shouldn't use up so much, I have 2GB total RAM.

At startup nautilus uses ~400MB of virtual memory in the "system monitor"

Also which is RAM and which is SWAP in resources in system monitor: Virtual Memory && Memory?

-i figure vm is ram but thats not possible sometimes...it exceeds 2GB

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Ubuntu :: OpenGL Causes High Cpu Usage

Apr 1, 2011

I play RuneScape most of the time i'm on the computer and i always keep an eye on the performance. Yesterday and the days before, everything was going good, cpu usage it was causing was between 30 and 60%, now it wont go below 70%. It's always 70-99% for some reason :s i have set settings for graphics to OpenGL (they were like that before too with no problem) and it started causing high cpu usage. If i set it to Safe Mode in graphics settings it gets 100%, I never tweaked the drivers, i have a NVIDIA GeForce 9600 GT, i have the opengl thingies installed along with my nvidia driver. Ubuntu 10.10 32bit.

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Server :: "free" Shows Far More Memory Usage Than Summing Up Application Usage?

Aug 6, 2010

I've come across a really strange issue with one of my RHEL servers. The "free" command shows that 7019 MB of memory are actually in use by my system, but when summing up the actual usage (or even virtual usage like the example below) it doesn't add up - the sum is far less than what is reported by "free":

Code:

[root@server1 ~]# free -m
total used free shared buffers cached
Mem: 12011 7946 4065 0 4 23
-/+ buffers/cache: 7919 4092

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Ubuntu :: Java Applets Cause High Cpu Usage?

May 1, 2010

yesterday when 10.04 got released i decided i'd install it and try it out, when i tried to run a java applet on it (runescape for example) the CPU usage got really high (around 100%), is that normal?

Info about my processor if you need:AMD Athlon(tm) 64 X2 Dual Core Processor 5000+ 2,61 GHz.This is my first time ever using ubuntu.

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Ubuntu :: Seems Slow In Some Areas - High CPU Usage?

Jun 15, 2010

I've been using Ubuntu consistently for about three days now. I really, really love the interface and how everything works and all that, but I've been having a couple of weird problems with speed.

Graphics things seem to work really well. When I go into the overview of all my workspaces, it's instant and looks great. The problem is when I open and use some applications.

For example, when I open up the software center, it takes longer than it did the first time to start up. Also, when I drag windows off from being maximized, it takes literally about five seconds for it to show up as being dragged around by my mouse.

When I look at the system monitor, about 20% of my CPU cores are constantly being used. That's 20% each. I have a 3-core CPU, could that be the problem?

Another example: when I went to ..... just now, it would take a second for any volume changes in the video to register.

And I also have smooth scrolling in firefox, but it's very unresponsive now. It's slow as all hell. Even notifications are showing up more slowly.

So, what's the deal? What could I have done wrong?

CPU: AMD Phenom II X3 2.8Ghz
GPU: ATI Radeon HD 4860 1gb
RAM: 4gb

One more thing: I have really bad screen tearing when I try to move windows around, as if there isn't any vsync on. Where can I turn it on or fix this?

I'm still pretty new to Ubuntu and Linux, but I'm an advanced computer user. Since I feel linux is killing my CPU I think I'm going to boot back into Windows 7 for now, but if I can fix this problem I think I want to keep Ubuntu as my main OS after this, having Windows for games, unless I can get Wine to work right with them.

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Ubuntu Multimedia :: High CPU Usage With ALSA?

Jun 30, 2010

OSS, even though it's emulated *through* ALSA, consumes a microscopic fraction of straight ALSA's CPU usage. For example, when I'm playing something through ALSA with XMMS2, I'm getting about 25-30% CPU usage, but with OSS output, only 2%, tops. The same applies to any other application in which I can choose the output method. And, I'm on 10.04.

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Ubuntu :: Intermittent High RAM Usage On Startup

Jul 12, 2010

I use an Ubuntu 10.04 minimal install with only the packages I want, I like to keep things pretty slim.

On bootup, when I execute "startx", everything starts to load, this is fine. However, just off of a cold boot with only my startup apps running, conky shows around 450mb of RAM usage. It usually is only around 150 - 175.

Sometimes when I boot my computer Conky shows the normal RAM usage in the 150mb range, sometimes it's in the 450mb range.

My startup apps when I start X is openbox, tint2, wicd-gtk, feh (for wallpaper), and conky.

I open up htop when conky reports the weird RAM usage. htop also shows the weird RAM usage but I can't seem to find the memory hogging app.

Is this a kernel issue? I'm using the vanilla Ubuntu 10.04 kernel. Will recompiling from kernel.org fix this?

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Ubuntu Servers :: Apache Ram Usage Too High?

May 6, 2011

i am learning to using ubuntu as my server and learning using vps too

now i getting consfuse about my server memory usage i just have 3 sites , 1 blog site and 2 company profile but apache memory usage is more than 300MB and total of memory use in my server is more than 500 MB (maximum 512MB burst memory)

i am using drupal for my website is this normal ? because in last week, memory consumption in my server no more than 380 MB

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Ubuntu :: High Cpu Usage By Modem-manager?

Jun 23, 2011

I have a problem that the process modem-manager eats up all the cpu resources making it impossible to do anything on my PC. This issue is comes up randomly even during boot up and unfortunately very often. The twist in it is that I can not even kill the process using kill or killall (tried to kill even from top; of course with sudo)

How can I shutdown a process when kill does not help? Is there any way I can disable to start this process during boot up?

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OpenSUSE :: High CPU Usage With XORG / Cause Of This?

Dec 14, 2010

I just upgraded KDE on my openSuSE 11.2 installation. I have never had any problems doing this in the past, but this time, when I rebooted, I noticed that after a few seconds of idle time, my CPU usage goes sky high. I ran top in a console and noticed the culprit was xorg. I am using an NVIDIA card on an AMD64 3200+ with 1 gig of memory. KDE version is currently 4.5.85.
Like I said, I didn't have this problem until the last update. Any ideas as to what could be causing this?

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CentOS 5 :: High CPU Usage On Clock_gettime() C - C++

Apr 5, 2011

I am calling clock_gettime() function to get time with nano seconds accuracy. My program works fine on Ubuntu but have high CPU usage problem on CentOS 5. it takes 40% CPU on Ubuntu and 90% CPU on CentOS. Kindly give me solution so that I can reduce high CPU usage problem on CentOS. You can build this code like: "gcc -lrt gettime.c -o gettime.e"

[Code]....

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Ubuntu :: Freeze And High CPU Usage - Ext4 And Fakeraid?

Mar 12, 2010

I'm using Karmic koala 9.10 64bit.Have three HDD, WD Raptor 36GB X 2 and Seagate 160GB.2 WD Raptors are striped (RAID 0), and all hdds are formatted by ext4.(Intel ICH9R raid) Problem is that, when reading/writing hdd heavily, system freezes a moment or very very slow down. When I used a windows XP, there's no problem. Moreover, one other machine, Karmic Koala 9.10 64bit and ext3, no raid, works very fine.

My system consists of,
Intel C2Q Q6600
2GB DDR2 6400 (1GB X 2)
Gigabyte P35-DS3R
Geforce 8500GT 256MB

[Code]...

If I format my hdd and re-install ubuntu, does it become better? or, if I use software raid provided by linux kernel, or if i don't use a raid?

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Ubuntu :: Click - Drag Results In High CPU Usage?

May 7, 2010

thing I did when I installed 10.04 was to re-arrange my icons. I clicked on the first and started to drag. The icon did not move, and nautilus was using 94% of my cpu for a good 15-20 seconds before gtk-window-decorator was using 95-100% of my cpu for a few more seconds. Finally, after a few more unsuccessful tries with the same results, I was able to move the icons.

I assumed this was a bug in nautilus, however the same thing occurred in Chrome when I tried to re-arrange my bookmarks, and the same thing in gnome-panel. The only thing in common I see is gtk-window-decorator.

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Ubuntu Servers :: Notice Very High Cpu-ram-disk Usage?

Aug 19, 2010

I am running latest apache2 available in the lucid repos on my desktop. All packages are updated as of this moment. Now in the root of my web server I have placed several soft links that point to folders on another ext3/ntfs partitions on the same disk. When I try to download any large file (say above 500M)on this server using firefox, when the 'save' window appears, my desktop freezes, I notice very high cpu-ram-disk usage, even though I have not yet clicked on 'ok' to save the file. This issue is not present when the file size is small. Note that firefox and the webserver are running on the same computer.

Also I have tried nginx and lighttpd and the issue is present there as well. When I tried downloading the same files using Internet Explorer 6.0 using a XP VM the issue is not present. However on Windows as well using Firefox the issue recurs.

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