Questions related to memory usage related to RAM, swap; issues expansion, in Ubuntu.

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2
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3answers
779 views

What can I do to make Unity more memory-efficient?

I realy love Unity, but the most of the time I have to use gnome-shell because I only have 1.5 GB of RAM and when I work I have to use all these apps: fogger, firefox, compiz efects, empathy, gwibber ...
0
votes
2answers
102 views

Heavy HD activity on memory issue

I have turned off swapping on my Ubuntu setup - it was causing heavy I/O and slowing things down. I'm okay working without the swap and using only the 4GB of RAM I have (computer doesn't support more ...
2
votes
1answer
74 views

How to find out which programs are taking up alot of memory?

I've been getting messages that I have exceeded my quota limits. I am new to Linux and am not sure what to do. With windows, I could easily just go to Control panel, add/remove programs, and uninstall ...
2
votes
1answer
203 views

unity-music-daemon uses large amount of memory

When I boot my Ubuntu 13.04 up, I noticed that my fans goes crazy and when I had a glanced at System Monitor, I saw that a process called unity-music-daemon is using a large amount of memory and CPU. ...
1
vote
1answer
41 views

ubuntu server crash after build.sh run

I have a build server with Ubuntu. And in my source code there is typical build.sh to invoke the make file in order to compile the source code. But suddenly the server crashed and I found the below ...
1
vote
1answer
440 views

Unusally High RAM usage by ESET NOD32 (Linux Desktop)

Recently, I'd encountered unusally high RAM usage on both my Ubuntu 12.04 LTS laptops (32-bit and 64-bit desktop OS versions). I noticed that, immediately after system startup, ESET will load 2 ...
1
vote
1answer
43 views

Software to track application profile

I am developing a software for number theory investigation, and I am suspicious that is leaking memory. It would be very nice to log the CPU, and RAM usage of this program through some application. ...
0
votes
1answer
28 views

Creating a script involving the memory usage of processes

How can one create a bash script that displays the sum of memory usage for the processes which have PID<100?
0
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1answer
90 views

How to read memory usage?

Well I'm pretty confused with the memory usage in ubuntu (probably linux in general) TL;DR: Memory usage is 70%. When ich check top, htop, ps aux etc. I can see there should be a memory usage of ...
0
votes
1answer
104 views

mysqld is suddenly taking too much memory and my laptop is getting hotter

I have been using ubuntu 14.04 for a while but really new to linux command line stuffs. I mainly use it for Java/android/web development purposes. Sometimes I notice my laptop gets more hot than ...
0
votes
1answer
30 views

find is using a LOT of resources - how do I find out why?

My Ubuntu 12.04 LTS system has been running very slow lately. I keep having to reboot it, and then within 24 hours it's slowed down again. I've gone in and run top and what keeps coming up at the ...
0
votes
1answer
2k views

How to clean up dev/sda1 as it's full

I've been doing jmeter tests and have had a few OutOfMemoryExceptions, so I've bumped up the heap memory in JMeter. But now it seems I can't run anymore tests as it says I'm using 94.9% of 14Gb. When ...
0
votes
1answer
61 views

Ubuntu 12.04 LTS doesn't recognize full memory?

I have Pentium 4 Desktop, Intel D915PGN mother board with a full 4 GB of ram, but my Ubuntu 12.04 64 bit only recognize 3 GB of ram, do you guys have any suggestion? Thank you
0
votes
1answer
54 views

Memory is not released from swap when a program is terminated

Memory and swap are both near maximum. I shut down all the processes I initiated. The memory and swap are still both near maximum. Is there a way to release the memory used by a terminated program? ...
0
votes
1answer
90 views

Disk and Ram Memory size

I need to know the disk size and the ram size of LAMP + Chrome. How can I check it... on ubuntu 11.x and 12.x Thanks
-1
votes
1answer
34 views

Why does ubuntu not protect itself against memory shortage

If you create a very simple script, simply pointing at itself ie: /home/user/loop.sh and then executes the script in terminal (as regular user), it starts to consume more and more memory, until the ...
-1
votes
1answer
149 views

Is this Ram usage normal?

My system is Ubuntu 13.04 64 bit + Unity and it uses ~600mb with no other processes-apps open and with preload 900mb, just the core system. Is this the expected amount? It seems a bit steep to me but ...
2
votes
0answers
33 views

“-/+ buffers/cache memory” is zero

i have an OpenVZ VPS with ubuntu server 14.04.2 and i can access to a SolusVM control panel. Recently, "memory usage" is always 0 KB, and only "vswap usage" shows real swap usage. if i run free -k i ...
2
votes
0answers
40 views

Is it possible to suspend applications?

The main idea is to add a "suspend" button to the title(behind the "quit" cross button) of the application window that will copy the memory taken by application to swap/local storage with pid ...
2
votes
0answers
61 views

Weird java memory allocation

My task manager shows that for my java process memory allocated is 16777216.0 TB (yep, TB). It happens when programming swing application with eclipse 3.8. Oh, and my distro is lubuntu 14.04. Nothing ...
2
votes
0answers
153 views

Why do I run out of memory even when nothing is running?

I am currently facing a problem that when I run Uclust, it keeps showing me mymalloc running ot of memory. The thing is that cuurently nothing is running in the system and my memory shows I am ...
1
vote
0answers
37 views

Ensuring fail-safety of an Apache server

I have a few Wordpress websites running on Apache 2.4.7 / Ubuntu 14.04.2 LTS. It is a virtual machine running on Microsoft Azure. The websites are using a MySQL server also running on the same ...
1
vote
0answers
104 views

TuxOnIce hibernate error “seeking to free XXXXMB of memory” on Ubuntu 14.04

My desktop PC did not support for hibernate on Ubuntu 14.04. Therefore, I installed TuxOnIce (kernale 3.13.0-36-generic-tuxonice) to enable hibernate feature. Now, the hibernate feature works fine on ...
1
vote
0answers
62 views

How to persistently limit resources of a program

I am running several programs on my computer and under normal circumstances my RAM (2GB) and CPU power is sufficient. However it occurs that a single program suddenly turns the system permanently ...
0
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0answers
22 views

does most programmers have overseen this possible benefit?

There is still missing a converter for source code to convert from 64-bit to 32-bit ?! (which converter is used for 32-bit to 64-bit listings ?) What I want to say is, that an installed system may of ...
0
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0answers
19 views

Getting ' Critical Low Memory ' error in ubuntu 12.04.

Though my system has enough RAM and ROM memory. It is showing me this error. Previously it was showing " Low memory " only. But now it is showing " Critical Low Memory ". Can anyone help me in ...
0
votes
0answers
22 views

Freeing page cache using echo 3 > /proc/sys/vm/drop_caches doesn't work?

free -m total used free shared buffers cached Mem: 24055 22439 1615 8969 16 9096 -/+ buffers/cache: 13326 10728 ...
0
votes
0answers
41 views

Why my memory is shooting to nearly 100 percent which makes my laptop unable to work?

I am a newbie. I am currently using xubuntu 14.04 on my old dell laptop (~8-9 years old). When ever i watch any video on YouTube or similar site the video is not coming properly. I am not able to do ...
0
votes
0answers
12 views

Ubuntu VM shows different RAM then what vCenter is showing

I created a 64-bit VM with 4 GB of RAM and installed Ubuntu 14.04 64-bit The command, free –g, shows a total of 3GB The details screen on the desktop shows 3.9 GB vCenter Server Performance Monitor ...
0
votes
0answers
16 views

How can an application be allocated to multiple core CPU's?

In Ubuntu 14.10 64-bit, running femm42 finite element analysis software via wine. The solver reports "out of memory" when it attempts to create/load the "mesh", which is done through embedded Triangle ...
0
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0answers
35 views

Jave heap space error appearing Linux ubuntu 12.04

I'm running my program and this error appears after some time java.lang.OutOfMemoryError: Java heap space at HadoopMyapp.HistogramPair.<init>(HistogramPair.java:25) at ...
0
votes
0answers
41 views

java.lang.OutOfMemoryError: Java heap space

I'm using Hadoop in my application, but just before the program exits I get this error java.lang.OutOfMemoryError: Java heap space I already modified the mapred-site.xml and added this property to it ...
0
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0answers
42 views

What in install.sh in Kubuntu 14.04?

My laptop fan is sometimes loud when running Kubuntu 14.04, I guess it is because of one process taking 12-13% of CPU memory. I am new with KDE/Kubuntu. What is that? Should it be running like ...
0
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0answers
13 views

How much of the java program does Ubuntu memory-share between programs

For a given java version, say Oracle Java 7, how much does Ubuntu fetch the Java runtime modules (and linked libraries) from disk for each JVM, v.s. holding a copy of them in shared memory to be ...
0
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0answers
27 views

low memory dialog at boot up time

My Ubuntu 14.04 laptop has the below partions /dev/sda1 ext4 9.3G 8.6G 227M 98% / none tmpfs 4.0K 0 4.0K 0% /sys/fs/cgroup udev devtmpfs 3.9G 4.0K 3.9G ...
0
votes
0answers
88 views

Total RAM discrepancy: who's right?

I started with two 1gb sticks of top quality fast (at the time) DDR2 RAM, rated to at least 800mhz, possible 1000. I've since added two 2gb sticks, making 6gb total. System Profiles (aka cat ...
0
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0answers
52 views

How to find and report memory leak

When I use any graphics or diagram editing software like Gimp or Dia (and I have tried a couple more) I suddenly find the cache sucking up all my free RAM and cache which slows the system down to a ...
0
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0answers
72 views

RAM usage in Chrome

I run quite a few windows and tabs open is Chrome on a regular basis and while on Ubuntu it seems to seriously bog my system down. 4gb ram and 4gb swap. This laptop is dual booted with Windows 8.1 ...
0
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0answers
536 views

Why does ubuntu not seem to release memory?

I am working with apache2+php and other web server apps. I have monitor as session connecting to a web server. RAM memory is full. But when disconnecting a session, it does not free the RAM memory. ...
0
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0answers
67 views

s3cmd causing huge memory usage on 12.04 server

Today I installed s3cmd on my server to facilitate backups to s3. Everything is working great, and I even scheduled a cron job to regularly back up. Then I went and checked my Media Temple dashboard ...
0
votes
0answers
74 views

snmpd returns incorrect value for shared memory

I upgraded ubuntu from 12.04 to 14.04. Now my monitor software reports Share memory 100% full. snmpwalk HOST-RESOURCES-MIB::hrStorageDescr.8 = STRING: Shared memory ...