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2
votes
3answers
451 views

Am I using too much memory? (Rails on EC2 with Resque)

I am looking at the memory usage of the Rails application (it uses background processes via Resque) and since the common answer to the question, "how many workers is too many" was "test and see", I ...
3
votes
1answer
435 views

How to measure a driver's memory consumption in Windows?

I've heard an unchecked gossip that Realtek drivers on Windows 2008 suffer from memory leakage. My computer with this network card and OS suffers exactly from this symptom - high memory consumption. ...
1
vote
1answer
866 views

How to conserve memory and run more vms on vSphere 5.0 with vCenter 5.0?

The server has 16 gig of memory. We want to run as many VMs as possible on this server. They are used as automated testing "slaves" to a Jenkins VM which distributes testing jobs. The VMs right now ...
0
votes
2answers
300 views

Monitoring Redis and mysql server for memory and cpu usage

I want to compare the memory and cpu usage of the the redis-server and the mysql-server. I have used a profiler to get the client data but I would also like to know what is going on on the servers ...
3
votes
1answer
618 views

How would I measure the amount of RAM needed per Glassfish domain?

In our test environment we have a lot of apps spread out over a few servers and Glassfish domains. To make versioning easier I would have liked to have one Glassfish domain per customer per app (kind ...
6
votes
5answers
3k views

Free / Cached / Available memory on Linux

I have read that linux uses free memory for caching, to make system faster. However, both Nagios and Paessler PRTG monitoring system show me that my memory usage is critical. I could change Nagios ...
0
votes
1answer
160 views

IIS 6 Ram Allocation on Windows Server 2003

I have my IIS 6 running my website. It is on a Windows Server 2003 which has 4GB of RAM. I run SQL intensive code after the user submits a form (math statistics stuff). This process is not threaded ...
3
votes
1answer
2k views

Windows Server 2008 Memory Usage with SQL Server 2008?

I have the following kit: windows server 2008r2 Microsoft SQL Server 2008r2 Dual Quad Core Xeons 52GB Ram The Ram usage on the server is currently at 98% which is fine, SQL server is happily ...
1
vote
1answer
569 views

uwsgi memory usage optimisation

I'm running several django sites on uwsgi, and I'm attempting to optimise my configuration for memory usage, but the --idle and --die-on-idle flags don't seem to be doing anything. Each daemon starts ...
1
vote
1answer
705 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 ...
0
votes
2answers
4k views

How much resources should backup tools be using? ( issues with clBackup )

My hosting provider makes backups of our servers using a tool called clBackup which pushes files over the network. Below is one ps output we took and reported to our provider: top - 10:06:24 up 25 ...
0
votes
1answer
153 views

Xen Issues - Total Memory + Grub Disappeared

I'm pretty much a newbie when it comes to the Xen Hypervisor, either way I installed it on a dedicated server, I just removed OpenVZ since it was annoying me. So, I followed ...
1
vote
2answers
267 views

dhclient requests filling memory?

Dammit Jim, I'm a web developer, not a sys admin. With that out of the way, my client's has a CentOS server (6.2) that is only serving a single Magento site (and the associated MySQL server) and it ...
-5
votes
2answers
304 views

How do I configure Linux to use less memory for IO caching?

I'm running a Dell R310 with CentOS 5.8 x64 and all it's running is apache, svn, and postfix. It's using 99% of the RAM for caching but i'd like it to use a little less like maybe somewhere in the ...
2
votes
1answer
2k views

How to free PHP-FPM memory?

There are several discussions complaining high memory usage of PHP-FPM, without any practical approach to overcome. As I explored the problem with numerous tests, the problem is related to the age of ...
2
votes
3answers
250 views

What kind of Windows-based “process accounting” software is available?

Linux has pacct and kernel-based processing. What equivalents are available for Windows? I am aware (and use/recommend) of Process Explorer, but that only tracks real-time stats, with non-portable ...
7
votes
2answers
12k views

Used memory on Solaris 10

One more question about memory on Solaris 10. A top shows me that I have 672 MB free memory : 130 processes: 126 sleeping, 2 zombie, 2 on cpu CPU states: 95.1% idle, 3.9% user, 1.0% kernel, 0.0% ...
5
votes
2answers
1k views

How quickly will SQL Server release RAM when the OS signals a low memory condition?

From the SQL Server 2008 R2 Books Online: Server Memory Options When SQL Server is using memory dynamically, it queries the system periodically to determine the amount of free physical ...
2
votes
4answers
119 views

Is this a good behaviour? [duplicate]

My centos 5.7 is running Magento. 4GB RAM and 4 Cores. Nginx + spwan-fcgi + memcached (Best performance if you ask me). Now i'm a little bit concerned about the Memory usage. [root@adikastyle ...
2
votes
1answer
418 views

Multiple instances of HTTPD running, and virtual memory constantly running out?

I've noticed my VPS behaving weird today. I have set it up as a web server (along with MySQL, PHP, FTP etc) and at the moment there is only one website running on there. I noticed earlier today that ...
8
votes
1answer
1k views

PHP on command line displays “Out of Memory”, no file name, line number or memory value

I originally posted this at http://stackoverflow.com/questions/9665189/php-on-command-line-displays-out-of-memory but was advised to post here instead. This is not the normal fatal error when you run ...
4
votes
2answers
967 views

Windows 2008 R2 Server using 100% RAM, can't find the problematic process

OK so I have a W2008 R2 server running a single website with about 100-200 visitors daily, and it also has MSSQL 2008 running on it for the same website. Recently, when the server starts it uses a ...
0
votes
1answer
166 views

Memory running consistently high on media temple VPS

I have a standard mediatemple VPS 512Mb RAM CPU GenuineIntel, Intel(R) Xeon(R)CPU L5630 @ 2.13GHz Version Parallels Plesk Panel v10.1.1_build1010110120.18 os_CentOS 5 OS Linux ...
-3
votes
1answer
662 views

Why does the httpd process consume so much memory? [duplicate]

Possible Duplicate: Server refuses to use swap partition I am using Linux with Koloxo panel for site management. My database server went down, and I think it happened because of a lack of ...
0
votes
3answers
153 views

Analysis on Memory Management

I'm doing Memory management analysis for my Java web application, Before starting my tomcat the free memory was around 595 MB, Once I started the server the free memory goes to 151 MB. When I took ...
0
votes
1answer
685 views

memory difference on top and htop

I got a new VPS as my database server. I installed only mysql and started. After some time(even after shutting down mysql service), I see only %3-4 of the memory used in htop but according to top I ...
1
vote
1answer
801 views

SQL Server 2008 R2 memory leak

We're in the process of moving from one server to another. I'm running the SQL Server database off our new server, with the old server now using that as a DB server with the aim to make it a smooth ...
12
votes
2answers
9k views

Effects of configuring vm.overcommit_memory

My VPS web server running on CentOS 5.4 (Linux kernel 2.6.16.33-xenU) irregularly (like once a month give or take a few weeks) becomes unresponsive due to oom-killer kicking in. Monitoring of the ...
1
vote
3answers
1k views

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 ...
0
votes
2answers
613 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 ...
0
votes
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: # ...
0
votes
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 ...
0
votes
2answers
222 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 ...
1
vote
1answer
634 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 ...
0
votes
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 ...
1
vote
3answers
2k 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 ...
0
votes
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 ...
1
vote
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 ...
1
vote
1answer
5k 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 ...
2
votes
2answers
5k 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, ...
5
votes
1answer
6k 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 ...
2
votes
1answer
468 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 ...
1
vote
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 ...
0
votes
1answer
139 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 ...
4
votes
2answers
375 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 ...
1
vote
1answer
574 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 ...
0
votes
1answer
46 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 ...
2
votes
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 ...
0
votes
1answer
264 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 ...
-1
votes
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 ...