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High Memory Usage on Linux Server

I have a LAMP server with following configuration. CPU : Intel(R) Xeon(R) CPU RAM : 32 GB HDD : 80 GB Running on virtual environment. All the things in the server are running smoothly. But I ...
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2answers
681 views

Monitor memory and CPU usage per website

The Plesk panel associated with my Linux RHEL5 server reports the CPU, memory and disk space of the server in real time although it's not possible for me to find out which websites are consuming most ...
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1answer
1k views

PHP Cron - Max Allocation?

I'm getting email errors from a cron, on Ubuntu, that lives at: /etc/cron.d/php5 I didn't install that cron, so I'm guessing it is installed with PHP. Its contents are as follows: # ...
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1answer
1k views

Enable PHP-ZTS and MPM Workers in Apache to lower memory footprint, but still keep MySQL?

My question is quite similar to this one in that I'm trying to reduce the memory footprint of my website on a somewhat meager shared hosting solution. I'm going to be playing around with my own ...
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2answers
240 views

Script to monitor specific processes' memory utilization

I have a client I do some remote server administration work for who recently started a 2-week trial period with New Relic. They have recently had some performance issues, and also asked me to take a ...
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1answer
725 views

How much memory can I lock before the system starts swapping/thrashing?

I'm trying to use Memtester as a memory stress and correctness test for my organization's Linux boxes. Memtester basically just takes in an amount of memory to test as an argument, locks that much ...
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1answer
60 views

Is there a way to get an email when system starts using swap space for memory?

I have a server that recently got knocked offline when when a blog article hosted on the box made the front page of Hacker News. From what I've heard, it seems like the server became unresponsive when ...
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3answers
3k views

Finding Average size of single Apache process for setting MaxClients

i tried pmap pgrep apache2 |grep total on ubuntu 10.4 running Apache and the o/p was like this: total 47768K total 48048K total 48048K total 48048K total 48048K total 48048K ...
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1answer
128 views

Memory not being freed on VPS

I had a VPS with DirectAdmin running on CentOS 5.7 with 512 MB RAM with Apache and MySQL. The problem I was having with it was that it was using around 115 MB RAM upon boot and this was rising to 200 ...
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4answers
1k views

How to reduce the memory usage of mediawiki?

I have a VPS running apache that keeps running out of memory at Dreamhost. Dreamhost says that the problem is the wordpress configuration, but I think that's their stock answer. I've looked and the ...
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1answer
6k views

How to limit PHP-FPM memory usage?

I'm running an Ubuntu 10.04 nginx webserver with PHP-FPM. It has 512MB of total memory (256MB swap). After starting the PHP-FPM process (/etc/init.d/php5-fpm start), it uses an acceptable ~100MB for ...
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2answers
6k views

What is using all my RAM? Understanding the output of top

I've read a number of top memory use questions but I don't think they answer this. Here's the most significant part of a top run: top - 01:11:41 up 4 days, 1:06, 3 users, load average: 0.00, ...
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1answer
8k views

Meaning of Cached Available and Free Memory in Task Manager's Performance “Physical Memory” section?

I want to see how much of the RAM is being used by my system. When I go to Task Manager -> Performance and look under "Physical Memory (MB)" section, it lists 4 terms which are:- Total Cached ...
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1answer
482 views

VPS eating RAM?

I have a VPS with 512MB RAM with 1GB Burst from TelVPS. There is no swap space for the VPS. I had a discussion regarding this with my service provider but they said that they dont provide swap space ...
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3answers
2k views

VMWare SQL 2008 R2 Windows 7 High memory usage

I have a windows 7 64 bit installed in a VM which runs SQL Server 2008 R2 and IIS7. The server itself has 12 gigs of memory and is equipped with a dual core intel xeon @ 2.50 GHz. The problem (I am ...
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1answer
143 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 ...
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2answers
427 views

Simultaneously high swap and unused memory on Ubuntu server

I have an Ubuntu 10.04 web server in the cloud, with 1 GB of RAM. Here's a memory chart from Munin: but I'm having trouble making sense of it: on the one hand, unused memory is very high; but swap ...
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1answer
655 views

Perfmon takes up entire memory

Is it expected? Windows 2008 R2 Storage Server SP1, 6GB physical RAM, 18 GB Paging file Running 12 hours of Perfmon collection with low sample interval After some time, Commit charge reaches ...
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1answer
47 views

Diminishing return considerations when specifying servers

With some of the new 10-core Xeon E7 ,which can work on 20 simultaneous computational threads along with quad-socket motherboards it is possible to specify servers with 80 computational threads and 1 ...
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2answers
2k 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 ...
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1answer
286 views

PostgreSQL memory usage on Windows Server 2008 keeps growing

We're running PostgreSQL on Windows Server 2008 (on Amazon EC2), with about 40 databases. When we first launch Postgres, it doesn't use much memory, but over time, the memory usage of ONE of the ...
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2answers
2k views

How to get email alert when windows server 2003 runs out of memory space?

We have a server where multiple web application are hosted. Users will upload files to the website that will get saved to server HD. Now and then, C: is running out of space because of the uploaded ...
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1answer
175 views

Media Temple VE is over memory (happens quickly after restart)

I checked top and everything looks okay (but I'm kind of a noob, so ya). I ran a $ free -m and it says 338/924 is free which doesn't seem so bad. However, MT reporting says mem was at 190% so I ...
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3answers
232 views

free -m output, should I be concerend about this servers low memory? [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server This is the output of free -m on a production database (MySQL with machine. 83MB looks pretty bad, ...
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2answers
565 views

What does monit consider to be memory usage?

Once can have monit monitor memory usage… check system foo if memory usage > 95% then alert Does it use free RAM, or free -/+ buffers/cache? (or something else?) # free -m total ...
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1answer
149 views

How to Examine Virtual Memory Fragmentation on Windows 2000?

Is there a method to examine the virtual address space of a specific process to examine if that process is under going virtual memory fragmentation? I know it sounds like something I shouldn't be ...
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2answers
816 views

Apache script for low memory installation

I've been working on improving memory usage on our Centos 5.5 VDS, which now has 512MB of RAM. I've been able to use a tuneup script to greatly improve the MySQL config but am having a bit more ...
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1answer
689 views

Memory per user on AIX

nmon is showing me 99% memory usage and swap activity. My user is not very active at the moment so it should be someone elses fault. Is there a way I figure how much memory each user is taking? Must ...
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3answers
317 views

Best graphing tool to monitor mem/cpu/traf? [closed]

I am using Rackspace Cloud, oddly they don't have any way to measure your resource utilization considering it is a cloud service so I must find the best way to measure this so I can see when I should ...
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1answer
278 views

ESXi memory allocation

I'm setting up ESXi 3.5 on an old server, and I'm not able to launch any of the VM's that I've created (Admission check failed for memory resource). The Resource Allocation tab for the host says that ...
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1answer
390 views

Dreamhost closed my domain for excessive resources usage [closed]

I come directly from stackoverflow, and is my first time posting here! I manage many domains on dreamhost for my NGO (non-governative-organization). some days ago dreamhost disabled (with very short ...
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4answers
1k views

Reducing apache VIRT and RES memory usage

On a quad-core server with 8GB of ram I have apache processes that use up to 2.3GB RES memory and 2.6GB VIRT memory. Here is a copy of the top -c command http://imgur.com/x8Lq9.png Is there a way to ...
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2answers
607 views

Can I disable BIND if I use a third party DNS?

I'm trying to get the memory footprint of my server as low as possible. When I run htop I get the following: http://i.stack.imgur.com/iHnr7.png As you can see there are 5 bind processes running but ...
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2answers
4k views

how to limit memory size a process can consume in linux

I am trying to figure out how to limit memory usage of mongo daemon to 4G. I thought to use limits.conf with memlock but I am not sure that's the right way to do it. from limits.conf man page I've ...
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2answers
3k views

How do I view NTFS metadata?

On a Windows Server 2008 R2 file server, we are encountering a memory usage problem. We used RAMMap to troubleshoot, and found that 10GB of NTFS Metadata is being cached in memory and never gets ...
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2answers
562 views

Memory usage by PID?

I was trying to measure how much memory an application is using in the current moment. So here we go, free -k -t: [user@server ~]$ free -k -t total used free shared ...
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1answer
2k views

Monitoring SQL Server 2008

I understand SQL Server doesn't release the memory unless the OS needs it. Then, monitoring Available Bytes (free memory) is not the best way to monitor the service. What other variables can give me a ...
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3answers
724 views

How to check if ESX hosts have enough RAM

I have noticed that some Linux based virtual machines become gradually slower until I reboot them. At first I suspected hacking and resource abusing but after several vm rebuilds from the scratch and ...
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2answers
87 views

Software to monitor Bandwidth, Memory Usage, Load, Etc [duplicate]

Possible Duplicate: What tool do you use to monitor your servers? Hey I'm just wondering if there's any software available to monitor Bandwidth, Memory Usage, Load, etc. Doesn't matter if ...
1
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2answers
113 views

is it possible to forge the amount of memory available on a VPS?

I have a VPS with directadmin installed on. The amount of memory I bought from my VPS provider is 1GB and in the system it it shows that I have 1GB of memory available. From the beginning I regularly ...
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2answers
201 views

VPS Memory Usage - A Bit Confused?

I have a VPS which has 512 MB of dedicated memory, and up to 1GB burstable. I recently installed nginx, and I noticed a spike in memory usage. With Apache, it was using around 170MB. With nginx, it's ...
2
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1answer
285 views

1 Tomcat with 50GB of Ram or 20 tomcat with 2.5GB of Ram each?

My client has a Windows 2008 webserver with 64GB memory. I have to deploy my company's system (that runs on Java) onto the server and connect to their existing Itanium database. There is a reason ...
0
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1answer
52 views

server2003, hardware, memory

Dumb question ahead, because I'm pretty new to the gig: I've taken over administration of a small business network (2 locations, 2 win2003 Servers, 1 win2003 test server, 30 PC's, 40 users, ...
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1answer
166 views

“Used” memory in top larger than the VmSize of all pocesses listed in /proc/?

It used to be my understanding that top's definition of memory "use" was the number of physical pages mapped to any processes. However, recently I saw something that made me think otherwise. I'd ...
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1answer
324 views

swap never used, system freezes with high HD action when RAM is short

My system freezes quite often when run out of memory, I have 2GB and using netbeans, chrome, firefox and a few other apps this is consumed completely. Seems to me since I upgraded to ubuntu natty. ...
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1answer
5k views

Linux not freeing large disk cache when memory demand goes up

Running Ubuntu on a 2.6.31-302 x86-64 kernel. The overall problem is that I have memory in the 'cached' category that keeps on going up and will not be freed or used even when our application needs ...
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2answers
1k views

How do make 64-bit Apache behave as 32-bit one?

My web host only provides 64-bit OS, but the 64-bit Apache webservers take too much memory and occasionally lead to thrashing, under not too much external load. Is there any way to configure Apache ...
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3answers
204 views

How can I get knowledge about RAM usage by my webapplication?

I have a .Net web application. On one server there are several instances of this application in different versions. How should I know what amount or RAM maximally can consume one instance? How can I ...
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2answers
1k views

Ever increasing mem usage by php-fpm?

It seems php-fpm is allocating more and more memory, although peaks and dips in amount of requests. Couldn't post more than one image, so I put them here. As you can see in the uri of the pictures, ...
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1answer
886 views

IIS6 - Classic ASP - “out of memory”/“out of string space”

We have a classic ASP application that's under significantly more load than usual. We are from time to time been getting "out of memory" and "out of string space" in the httperr. We do not usually ...