Tagged Questions
0
votes
1answer
25 views
Running “top” memory seems high? [duplicate]
I'm not a Ubuntu expert, but I've just ran top on a Ubuntu server box and Terminal has highlighted the results in red, it looks pretty high to me.
Is this right? I'm only really running Apache and ...
2
votes
3answers
110 views
Server crashes Sundays at 6 a.m. - out of memory
I have a weird problem: Every Sunday at 6 am my LAMP server crashes.
Looking at the logs I see about 500 apache2 processes at the time (this is a test server without any load - especially not at 6 am)
...
0
votes
1answer
31 views
Xen domU sees 35MB less than assigned
I am using ubuntu precise 12.04 and I am booting a paravirtualized ubuntu 12.04 domU, all being 64 bits. The VM has memory=1024 assigned and xentop at the host correctly shows 1024MB, but htop in the ...
0
votes
1answer
155 views
Make PHP use more RAM than CPU on my server [closed]
By running TOP command on Ubuntu, i always see that PHP5 is using between 60% and 80% of the CPU but it stay low on Memory.
i got 1.5GB of RAM on my VPS and i know i'm not using more than the half.
...
0
votes
1answer
66 views
/proc/XXX/smaps does not exist
I am trying to debug what is going on on an ubuntu server. I tried to use my good old friend smem but it does not display anything, even if run as root. strace shows the culprit:
...
0
votes
1answer
38 views
How to set memory limit on OS level to overcome problems with “Burstable memory service”?
I have VPS. It has Burstable memory service. My guaranteed memory limit is 1GB. I want linux not to take more that 1GB to programs on OS level. How to do it?
It is ubuntu server.
0
votes
1answer
155 views
Php5-fpm too much memory usage nginx and ubuntu 11.04 32bit
I recently got vps with 512MB ram. I install nginx 1.2.4 with ph5-fpm and a simple wordpress installation . I currently have no traffic as its in development mode.But still It shows 495MB used and 80% ...
1
vote
2answers
107 views
Ubuntu: forcing processes into swap, or into RAM
I am now solving the following problem on Ubuntu: Is it possible to specify if one process should run only in the RAM (i.e. is not allowed to swap) or reversely only in the swap part? I mean that the ...
0
votes
0answers
33 views
Is it ever appropriate to disable swap in Linux? [duplicate]
Possible Duplicate:
Do I need SWAP on my server?
I'm building up a router/firewall that has 32GB of RAM in it and a 128GB SSD drive.
I was thinking about running it without a swap file. ...
1
vote
1answer
88 views
Swap space maxing out - JVM dying
I have a server running 3 WordPress instances, MySql, Apache and the play framework 2.0 on 64m initial & max heap. If I increase the max heap of the JVM that play is running in even by 16m I see ...
0
votes
2answers
435 views
Add entire 300 GB filesystem to Git Annex repository?
By default, I get an error that I have too many open files from the process. If I lift the limit manually, I get an error that I'm out of memory. For whatever reason, it seems that Git Annex in its ...
2
votes
1answer
270 views
How To find the memory leak?
Im preparing a web-server and have already installed Wordpress on it. Everything worked fine. But instantly, the memory usage went up. Now I only have 300MB of memory free. To check the problem, I ...
-1
votes
2answers
88 views
Locked up virtual memory
This morning I noticed a php error whining about inaccessible device. After further investigation I found that this is due to fact that 100% of virtual memory is used. After a reboot (I thought I'll ...
6
votes
3answers
1k views
How do I assign a memory limit for mySQL?
mysql tuner reports that mySQL can use 166% of installed ram, how do I limit RAM usage ?
[!!] Maximum possible memory usage: 426.8M (166% of installed RAM)
0
votes
1answer
1k views
Libvirt / QEmu Machine Fails and Refuses Restart Because of Memory Allocation Errors
I'm having a problem with libvirt. On a system restart all virtual machines (VMs) are started without a problem and keep running. Then at some point in time a set of machines shuts down according to ...
0
votes
0answers
156 views
ubuntu dmidecode is not functioning properly
dmidecode is giving irrelevant and conflicted results. it shows that i have two slots while the correct is 8 (the board is Tyan S5350.)
uname -a
Linux synd01 3.0.0-16-server #29-Ubuntu SMP Tue Feb ...
0
votes
1answer
57 views
VPS inusable, out of memory errors
I have a VPS with 512Mb RAM, 20Gb space and 100Mbps bandwidth.
I'm rather new at configuring servers.. I'm using this VPS to host some websites of mine. It's running Ubuntu Server 12.04.
Every TOT ...
3
votes
2answers
1k views
Ubuntu Linux: Process swap memory and memory usage
My Ubuntu eats more memory than the task manager is showing:
sudo ps -e --format rss | awk 'BEGIN{c=0} {c+=$1} END{print c/1024}'
2750.29
free -m
total used free ...
-2
votes
2answers
430 views
Ubuntu server keeps running out of memory
I have a VPS running Ubuntu 11.04 server, every week or so I have to reboot it as (I think) it's run out of memory.
It has 256MB of RAM available and I've tried configuring Apache to run less ...
-1
votes
1answer
663 views
webmin memory usage seems wrong
I'll be looking through the list of Running Processes in webmin, and it seems like the memory usage for my applications is wrong.
For instance,
mysql 253956 kB /usr/sbin/mysqld
Which would ...
1
vote
2answers
759 views
Ubuntu server using too much memory
my server is at a very high memory usage constantly - to the point that it won't let me log in via ssh some times. I have to reboot the server before I can log in and when it's restarted the memory ...
2
votes
3answers
1k views
Maximum memory allocation for 32bit linux kernel
I was reading this article that talks about how maximum amount of ram dedicated for kernel usage in 32 bit windows is 2GB even when the total amount of ram is >4GB.
...
6
votes
2answers
1k views
100% CPU load on Ubuntu 10.04.3 LTS 64bit
I have trying to fix this issue for two days with no success.
The server is a MySQL database server.
Hardware:
DELL Poweredge 1950, 2x Intel Xeon Quad Core E5345 @ 2.33GHz, 16 Gb mem, 2x 146Gb SAS ...
11
votes
3answers
789 views
96 GB RAM on a Dell T7500 showing up as 78GB in Ubuntu Server 11.04
Running Ubuntu Server 11.04. I've got a new Dell Precision T7500 workstation loaded up with 12x8GB DIMMs and the BIOS shows 96GB but checking /proc/meminfo gives:
cat /proc/meminfo | grep MemTotal
...
1
vote
4answers
1k views
Tomcat VIRT memory usage
Yesterday I posted this question: Tomcat Excessive Memory Consumption
The thread was getting too long and detailed for anyone to continue helping. So now I am asking a more specific question.
When I ...
0
votes
1answer
469 views
SWAP CRITICAL - 100% free (0 MB out of 0 MB)?
ANy ideas how to address this issue ....I am on ubuntu 10.04 on amazon ec2 here is the image
2
votes
5answers
1k views
Is there any way to automatically prevent running out of memory?
I am often running out of memory on my VPS ubuntu server. I wish there was a way to simply restart apache2 when it starts running out of memory, as that seems to solve the problem. Or am I just too ...
0
votes
1answer
199 views
VPS exceedingly slow, /proc/meminfo looks suspicious
A VPS I'm using has become unbearably slow. Over ssh, things like changing directories or opening small files take 5+ seconds to complete. The website hosted on it, however, performs with reasonable ...
1
vote
1answer
117 views
ubuntu: 8Gb machine just get 239m on display
I'm using Ubuntu 10.04 with 8Gb memory on DELL 1850 server. And I just got 239m by using "free -d" ...
free command
$ free -m
total used free shared buffers cached
Mem: ...
4
votes
3answers
5k views
Why is Apache running so many processes? Excessive RAM here?
I notice Apache is running multiple processes on my LAMP server (ubuntu 10.10). I'm just running a Wordpress site with MySQL as a database. It seems like www-data is running apache2 more than it ...
0
votes
1answer
2k views
Setting up Tomcat6 properly in Ubuntu 10.04
We have a Tomcat6 instance running on Ubuntu 10.04LTS. Our test box was just a Windows machine running Tomcat6. Both machines (Linux and Windows) have 1GB of ram.
Via the Tomcat configuration tool ...
2
votes
3answers
198 views
Server RAM acting as HDD
I've some software that wants access to a very fast disk. I could buy an SSD, but my server has approx 64GB of ram spare. Is it possible to use a portion of that unused RAM to create and mount a ...
0
votes
2answers
365 views
Mysql: less than half of memory used. High load
I have an Ubuntu 8.04 LTS, with 8Gb memory, with dual E3110@3.00GHz, software raid on sata II.
For a couple of monts now I try to tune the server and it seems that I'm still far from being done. ...
1
vote
4answers
977 views
Running out of LowMem with Ubuntu PAE Kernel and 32GB of RAM
I'm running a Java data import process on a 32-bit Ubuntu 10 PAE kernel machine. After running the process for a while, the oom-killer zaps my Java process. After some Googling and digging through ...
2
votes
1answer
252 views
How to view memory bandwidth in Linux?
I want to view the memory bandwidth of the installed physical memory on CentOS and Ubuntu. How do I do that? Thanks!
1
vote
1answer
383 views
Ubuntu server - some one takes 6GB of RAM - how to determine? [duplicate]
Possible Duplicate:
Linux: which process consumed all the memory?
After server restart i've got strange behaviour - someone takes ~6gb of RAM, usually after reboot i hab ~7gb of free RAM( ...
2
votes
2answers
2k views
How can I determine how much memory my MySQL server needs?
I have a virtual server just for MySQL for a handful of apps. It's a 256 MB server. There is currently barely any data in there, but free -m shows full memory usage:
total used ...
0
votes
1answer
148 views
Compilation of Etherpad fails in an OpenVZ VE
I’m almost giving up, this will be my last try: I try to compile Etherpad on my OpenVZ server. It’s running a Debian 5.0 as the host system, in the VE I’ve got Ubuntu 10.04. I installed Etherpad in ...
1
vote
2answers
169 views
Utilizing my RAM more efficiently
I just upgraded my RAM on my server from 4 GB to 16GB, I have 2x Dual Core 2.4 Ghz processors and would like to utilize that extra RAM if possible to setup some additional caching, or just anything ...
0
votes
2answers
1k views
Out of memory: kill process Apache
I got the following error message in Unix log: http://dl.dropbox.com/u/72686/outOfMemory.png
I'm just running a drupal website. What does that mean ? Is related to the RAM of my unix system ?
Or is ...
0
votes
1answer
214 views
Explain how ubuntu 9.04 apache2 processes are managed to me
Ok every so often my website which runs on a ubuntu 9.04 vps seems to fall over as apache does not seem to respond.
a simple apache restart solves the issue but obviously it's not a good scenario ...
1
vote
4answers
415 views
Why is there no free memory in my Ubuntu system?
So free reports 12318288 total bytes, 11916148 used, and 402140 free (effectively nothing).
Then, top reads like so:
Mem: 12318288k total, 11916596k used, 401692k free, 53756k buffers
Swap: ...
1
vote
2answers
250 views
Ubuntu server memory use doesn't add up
I have a small VPS server that I use as both a micro and development webhost and as a platform for whenever I want to do something somewhere that isn't my laptop. It's somewhat underspec with only ...
1
vote
2answers
360 views
Ubuntu VPS Server - Recommended free memory
I currently have a web application running on a vps server running Ubuntu 9.04 Jaunty. I recently had installed Nagios as monitoring tool. I had configured an extra plugin in order to check the free ...
1
vote
1answer
86 views
Does visitor count for a Rails app affect RAM usage that much?
I'm installing a relatively large Rails app for my client (consumes 1GB of RAM with just me using it). It uses Ubuntu, Nginx, and MySQL. If, say 10,000 users use the app simultaneously, would the RAM ...
3
votes
4answers
914 views
Ubuntu 9.10 server requires frequent reboots to free up memory
I'm running Ubuntu 9.10 on my server. It works fine, it's just that over time (usually a couple of days) the memory usage just grows and grows until it invariably runs out and needs to be rebooted.
...
7
votes
3answers
10k views
How to get - number of threads per process?
This is one Ubuntu 9.10 server.
Also how to see memory usage per process?
Thanks
7
votes
3answers
1k views
Memory is free, but still swapping?
I'm sure this is a pretty basic question, but I'm just trying to get a grasp of what's going on with my Ubuntu Hardy server running a Rails-based site. It seems that I have free memory available, yet ...
3
votes
2answers
173 views
x86_64 and memory issues
Recently I've switched from ubuntu 32bit to 64bit version. And now I experiencing some problems.
All application take twice more memory. And some application takes even more. For example sshd on new ...
4
votes
2answers
2k views
Using ulimit to limit the amount of memory a script can use
I have an ubuntu system and I have a script that runs regularly. I need to limit the maximum amount of memory that this script can use. AFAIK ulimit is the command to do this, however I can't get it ...
