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1answer
19 views

Memory errors despite plenty of headroom (Ubuntu VPS)

I'm getting all sorts of memory-related errors from python and php, plus segmentation faults - yet the output of free -m constantly shows plenty of spare memory - i.e. greg@greg-brown:~$ free -m ...
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0answers
36 views

System-managed pagefile uses all available space, allocated physical memory unused

The problem: Something on our virtualized database server is using massive amounts of our pagefile. We noticed it about a week ago when the OS drive went from 30+GB of free space to around 500KB of ...
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0answers
49 views

Apache running out of memory with large amounts of ProxyPass entries

I'm experiencing the following problem: We use Apache as a reverse proxy in from of about 5000 different web servers thus we have 5000 ProxyPass and ProxyPassReverse directives in our configuration. ...
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1answer
98 views

Rackspace Ubuntu 12.04 apache2 causing Out of memory

After less than 2 hours uptime, my Rackspace server (1CPU 1GB RAM 40GB) memory is used up by /usr/sbin/apache2 -k start which ends up killing my wordpress site. QUESTION 1: Why is this happening ...
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3answers
915 views

Mysql crashing, oom-killer, out of memory, tuning issues?

I just moved all of my websites to a new server with 4GB RAM. Almost immediately, mysql started crashing, and at one point, didn't reboot which caused a major outage (since I didn't notice until ...
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1answer
117 views

Courier IMAP 4.6 can't allocate memory when opening INBOX

I've got courier-imap 4.6.0-2.1ubuntu1 running on Ubuntu 10.04.4 LTS on a virtual/cloud LAMP machine with 1GB RAM. There is a particular (unmaintained) email address which has 100,000+ emails, all in ...
1
vote
1answer
302 views

Why Kernel Low memory zone is less then 896 MB?

In my system Lowmem of kernel (NORMALZONE) is 597424 kb length. As far as I learn, it should be about 890 MB at max. Why this system uses ~590 MB? Is it tunable? I a asking this because, I'am facing ...
3
votes
1answer
305 views

Out-of-memory kernel (3.2.0) panic (Debian 7.3) even though offending process was killed

While attempting a backup of a pretty large folder (450G) to a 2TB drive that's in that server solely as a backup destination rdiff-backup (version 1.2.8 - last marked stable) caused a kernel panic. ...
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2answers
165 views

Tomcat 5.5: “Exception processing JAR at resource path” leads to java.lang.OutOfMemoryError

We have an old server running Tomcat 5.5. Yesterday we deployed a war file, and then it started to crash. Looking at catalina.date.log I found some java.util.zip.ZipException and then ...
5
votes
1answer
2k views

How to read oom-killer syslog messages?

I have a Ubuntu 12.04 server which sometimes dies completely - no SSH, no ping, nothing until it is physically rebooted. After the reboot, I see in syslog that the oom-killer killed, well, pretty ...
1
vote
1answer
364 views

MongoDB getting OOM killed

we are running a mongodb replicaset on three machines. All three machines have around 16GB but only 255MB Swap. Swappiness is left on it's default value 60. The machines are running CentOS 6.4. The ...
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0answers
231 views

What is the difference between a Linked Server retruning the message “Out of memory” and “MySQL client ran out of memory”

we have a Microsoft SQL Server running a bunch of jobs every hour, half the jobs call local stored procedures while the other half calls stored procedures on a MySQL Database in the past we normally ...
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0answers
66 views

Lack of OutOfMemory Exceptions in Tomcat 7

This is an odd question. I'm a Sys Admin and I've been maintaining several Tomcat instances for a few years now. We have been running our webapps in Tomcat 5, 5.5, 6, and now 7. I have monitoring ...
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vote
2answers
637 views

Out of Memory Errors on Windows 2008 Virtual Machine

I have a server which is configured as follows: Physical Server (16GB RAM): Windows Server 2012 Standard Edition with Hyper-V Role installed 2 VMs running on this host server: 1 x Windows Server ...
1
vote
1answer
320 views

CentOS webserver memory overflow - cannot log in

Few days ago, my CentOS 6.2 webserver with ISPconfig 3 went down to the extent I wan't able to log in via SSH nor using a console. The console was full of messages "out of memory, killing process, ...
0
votes
1answer
511 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% ...
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votes
1answer
99 views

Can the JVM(Oracle) run into an OutOfMemory error if the heap size is below the max?

I am running a Tomcat site(with an NGinx front end) that seems to be randomly running out of memory even though the max heap size is pretty large. My question is is it possible for the JVM to get an ...
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0answers
62 views

Committed memory on my tomcat server

I have a problem to configure JVM on my server. The server is a machine runs on AWS with 8G of RAM and 8 CPU. There is only tomcat6 with solr on the server. Actually I have configured JVM like that: ...
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1answer
337 views

Tomcat on port 80 fails due to OutOfMemoryError while Tomcat on port 8080 works

I have a linux server ( Ubuntu 11.10 x64 ). I run Tomcat on port 80 with root user. It has only one application ( about 8Mbs ). Whenever I start the tomcat, I get OutOfMemoryError. (Purpose of this ...
0
votes
1answer
144 views

RedHat 6 VM with 8 GB RAM - who uses the memory? [duplicate]

Possible Duplicate: Why does Red Hat Linux report less free memory on the system than is actually available? after freshly rebooting the VM "top" indicates about 0.5 GB out of 8 GB RAM are ...
2
votes
1answer
403 views

Postgres child process eating up a lot of memory

We have a postgres 9.0 instance that is running on a pretty beefy machine (96G of RAM/24 cores). IN the recent weeks we have experienced crashes due to child processes of postgres being killed with ...
7
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1answer
381 views

How is this even possible? PHP memory error — allowed memory size / bytes exhausted

Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 1540673 bytes) in /home/appdev/glicious/Nutrition.php on line 41 If you haven't noticed, 134217728 is two orders of ...
1
vote
1answer
728 views

Apache2 process eating too much memory on 512MB VPS

I am running an Ubuntu VPS with 512MB memory. It is just the development server and so literally no traffic. Despite of that, every now and then I keep on getting Memory Exhaustion messages and my ...
2
votes
1answer
4k views

What is oom-kiler and why is it happening ? Should I avoid it?

I have a server that is now having "invoked oom-killer" many times a day ! I never saw that and even after reading tons of forums on Internet I'm still puzzled : is it a big problem ? Why is it ...
2
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1answer
377 views

I want to run MongoDB on OpenVZ, but crashes expected — what can I do about it?

My Server is hosted on HostEurope, a virtual server uname -a prompts Linux lvps176-28-21-237.dedicated.hosteurope.de 2.6.18-028stab095.1 #1 SMP Mon Oct 24 20:15:15 MSD 2011 x86_64 GNU/Linux They ...
0
votes
1answer
142 views

Recommended approach to limiting memory use on webserver

I have a Windows Server 2008 webserver with two web applications and two windows services. It is essential that the server never uses more than 2 GB of memory and the server can have no pagefile. What ...
0
votes
2answers
239 views

Php is not executed on a wordpress admin fresh install. Fatal out of memory

I just installed 2 versions of wordpress but none of them works : It just gives me : [Thu Nov 10 09:58:13 2011] [error] [client ] PHP Fatal error: Allowed memory size of 268435456 bytes exhausted ...
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2answers
650 views

memory&swap are full, can't ssh; any option other than physical restart?

by mistake, i executed some applications that used all memory (and i think swap) on my ubuntu server and its now crashed, SSH doesn't work and freezes. Do you know any other options other than ...
1
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0answers
159 views

ASP.net 3.5 application intermittently throws OutOfMemory exception when reading a 16MB text file on Windows Server 2003 / IIS 6

I have an ASP.net 3.5 application running on Windows Server 2003 and IIS 6.0 that when my code reads a 16MB file I sometimes get an OutOfMemory exception. Usually if you try to perform the same read ...
0
votes
1answer
341 views

Gentoo server with suPHP cannot create child processes - out of memory

The exact error message is this: 12)Cannot allocate memory: couldn't create child process: /usr/sbin/suphp for <php script file> This is not a VPS, it's a generic Gentoo server. There is 1G ...
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1answer
943 views

Tomcat crashes again and again because of “Out of Memory” error"

Tomcat crashes again and again because of "Out of Memory" error". I wanted to know the exact reason why memory usage is increasing. Below is the cataline.out file errors. Stack trace of tomcat when ...
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5answers
8k views

How to reliably take Java Heap Dumps?

My team is running into difficulties when trying to take good heap dumps triggered by OutOfMemoryErrors. For specific reasons we are currently taking the dumps with jmap called from a bash script ...
0
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4answers
623 views

Ubuntu 7.04 VM Runs Out of Memory

I keep a Ubuntu 7.04 VM running at Linode.com to host a few web sites, e-mail lists, etc. It was working flawlessly for a long time. I don't patch it or really pay attention to it. Recently (past ...
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3answers
7k views

What causes PermGen OutOfMemoryError on JBoss?

What is the underlying cause of a PermGen OutOfMemoryError in JBoss? I am running JBoss AS 4.2.2 in my development environment, and this occurs after redeploying my web application a large number of ...