The amount of memory required by a program or the system for a specific task.

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1answer
824 views

CentOS server RAM usage 100%

I am using Linux CentOS 5.8 VPS. But my site is so slow in last two days. When i cehcked in server's web control panel; RAM usage is 99-100 %. But when i write "top" command; there is any usage on ...
2
votes
4answers
9k views

Minimal Windows 2008 or 2012 memory usage

What are the minimal memory usage for Windows 2008 & 2012 server editions? I'm referring to all things OS-related. The machine would be a VM with a dedicated web server software, that wouldn't ...
2
votes
1answer
655 views

What is using all my memory on WordPress VPS hosting

I have a WordPress site hosted on a VPS Centos5_x64_cpanel system with 1Gb of memory. Recently I have been having a lot of issues with the site performance and emails from the hosting company stating ...
0
votes
3answers
2k views

Linux Top shows 99% Memory in Use - Is it normal? [duplicate]

Possible Duplicate: Linux high memory usage (top total mismatch) High Memory Usage on Linux Server CentOS 5.7 dedicated server. No memory intensive processes running. 12GB RAM installed. ...
0
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2answers
290 views

VMWare ESxI missing RAM memory

I have an VMWare ESXi hypervisor installed. The physical amount of RAM is 32 GB. On this hypervisor are three virtual machines. To one I gave 8 GB of RAM, to the second 1, and to the third 2. That's ...
0
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1answer
367 views

How can i find what's using the RAM in the server?

I am dealing with 32bit Windows 2003 server which was once a physical box, but now is virtualized in vmware. There are two SQL Server instances running. One is 2000 Standard, another is 2008 R2 ...
29
votes
3answers
3k views

Why is Linux reporting “free” memory strangely?

This is a canonical question about how Unix operating systems report memory usage. Similar Questions: Server refuses to use swap partition Memory Usage in LINUX I have production ...
-2
votes
2answers
643 views

Throttling Postfix memory

I have a VPS on 1and1 similar to this configuration (512MB, burst up to 2GB). I run a web service where I crawl the web and notify my users through email and sms when a certain online data feed ...
0
votes
1answer
455 views

web sites leaking memory? IIS 7.5 Windows server 2008 R2

I have several web sites on my windows 2008 server that have been working flawlessly for over a year. Just a few days ago I ran into an issue where my server stopped serving up pages on some of these ...
0
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2answers
366 views

/proc/meminfo: meaning of some values

Is it true when talking about values in /proc/meminfo file? [Memory used by applications] = MemTotal - (MemFree + Buffers + Cached + SwapCached)
0
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1answer
146 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 ...
1
vote
1answer
290 views

Reducing memory for worker MPM in Apache

I've moved from the prefork MPM to the worker MPM due to a process limit I was hitting on my VPS. However, memory usage increased after switching over (which is odd since the worker MPM is supposed ...
2
votes
2answers
47 views

Idle VMware Guests Resource Consumption

I want to setup a number of guests with multiple CPUs (4) and at least 4Gb ram running Ubuntu Linux. These machines will mostly be idle, but from time to time their workload will require all their ...
2
votes
1answer
235 views

How to reduce committed Apache memory?

Update 24th Oct Dump of ps axl as requested by @David Schwartz : http://textuploader.com/?p=6&id=z8riS During busy periods we hit Apache max connections (currently set to 256). I'd like to ...
0
votes
1answer
2k views

physical memory usage is high on production sql server [duplicate]

Possible Duplicate: SQL 2008 Memory Usage I'm going threw high physical memory usage in SQL Server. It always around 90%.When i reboot the server, it will initially good but end of the day ...
2
votes
1answer
462 views

How to globally limit memory usage of git

I have a Virtual Private Server where all my products' git repositories are. The problem is that while I fetch from it, the VPS dies out of memory. So I have to limit the memory usage. I know how to ...
1
vote
1answer
509 views

Hyper-v dynamic memory client machines always use maximum memory

When I create a virtual machine in Hyper-V and set it up to use dynamic memory, the virtual machine will always use the maximum memory within the virtualized OS. Hyper-V will show the assigned memory ...
0
votes
2answers
1k views

MySQL Memory Limit Windows Server 2003

I am running MySQL 5.0.51a on Windows Server 2003 Standard Edition on an HP DL580 G4 with 3GB installed. One of my database tables has grown to 5.3 GB with an index file of 2.5 GB, which I believe is ...
2
votes
1answer
590 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 ...
1
vote
4answers
218 views

Is there any tool that I can use to monitor memory usage of each process on Linux easily? [closed]

This issue is not the same as the question on how to see the memory usage of a Linux process. Also, the top command doesn't give the exact memory used, but just what percentage one process uses, so ...
0
votes
1answer
216 views

Server high memory usage at same time every day

Right, we moved one of our main sites onto a new AWS box with plenty of grunt as it would allow us more control that we had before and future proof ourselves. About a month ago we started running ...
2
votes
1answer
2k views

Too many apache processes?

I'm wondering why my server has so many free apache slots open. The server only has a couple of busy and idle slots. Please look at the attached images for the amount of process used by the server ...
0
votes
1answer
677 views

Munin and odd server memory usage [closed]

I've been analyzing my munin graphs and found that my server's memory usage is quite high. Question: Is my server memory usage too high? If it is should I: get a larger EC2 instance with more ...
0
votes
3answers
307 views

How to log/graph memory usage over time in Windows server?

Seems like an simple question, but using Resource monitor and Performance monitor, I only seem to get snapshots of memory usage. What is the best way to determine what available memory was at 03:00 ...
1
vote
1answer
44 views

SQL 2005 Server missing memory

We have a sql 2005 x64 database running on Windows 2003 SP2 x64 on a virtual machine (I know this isn't ideal, but it's a business requirement). The server has 26GB of RAM allocated and we have set ...
5
votes
2answers
6k views

Apache “httpd” process, utilizing all my servers memory

My small ec2 instance with 1.7 GB memory, running the Amazon AMI based off of CentOS, has an issue with Apache utilizing way too much memory than it should. If you take a look at the screenshot, the ...
1
vote
0answers
410 views

I have 8GB Memory, swapness set to 40%, why the swap space is full and can't run VirtualBox?

I am using ArchLinux 64-bit, 8GB Memory. My harddisk sometimes go crazy read/write and freezing other apps. I found that I can't run Virtualbox and the Virtualbox pops up an error says Memory ...
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votes
1answer
75 views

memory usage setting [closed]

everybody,the memory usage is too much,what can i do? top - 12:54:37 up 7 days, 4:38, 1 user, load average: 0.00, 0.00, 0.00 Tasks: 18 total, 2 running, 16 sleeping, 0 stopped, 0 zombie ...
1
vote
1answer
3k views

High memory usage on Windows 2008 R2

The problem I'm experiencing is quite simple: while the memory used by applications is quite small (~2GB), at the same time Task manager reports that the server has basically all memory in use (16GB). ...
5
votes
5answers
14k views

How can I monitor memory usage for a windows-based JVM and trigger an alert if it gets too high?

I have an app that runs as a JVM in Windows 2008. I'd like to monitor it's memory usage and be sent an email if/when memory usage reaches a specific threshold. Is there a free utility or method for ...
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votes
2answers
366 views

How much RAM a server needs?

I am going to develop a simple system of Perl CGI scripts which do email sending, file storage, and simple HTML user interface. The data should be stored in a MySQL database, HTTP is served with ...
2
votes
3answers
535 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
527 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
977 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
372 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
789 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
186 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
692 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
807 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 ...
1
vote
2answers
5k 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
163 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
308 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
318 views

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

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 ...
3
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
289 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 ...
8
votes
2answers
17k 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
124 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 ...