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

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242 views

How to get memory util of LPARs from HMC?

I know I can get CPU utilizations with lslparutil from the HMC. But is there a way to get memory utilization stats of LPARs from the HMC? The metrics I found seems to be all configuration-related ...
3
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2answers
2k views

Changing memory allocator to Jemalloc Centos 6

After reading this blog post about the impact of memory allocators like jemalloc on highly threaded applications, I wanted to test things on a larger scale on some of our cluster of servers. We run ...
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1answer
1k views

How to find out who used all RAM (UPDATED)?

Sometimes I find that 100% of my small Debian machine's RAM is used, but I can't figure out how to find this leak: top show that all memory is used, but I can't find any process that consumed this ...
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1answer
320 views

HAProxy memory usage increase

I am running a recent version of HAProxy 1.5 (dev15), and I've noticed that after HAProxy has been running for a while, its memory usage creeps up from initially 0.9% of the total memory to 1.9% and ...
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2answers
170 views

How to get server (VPS) memory usage history? [duplicate]

I am using a 512MB Ubuntu 12 VPS. I'd like to get a daily (maximum) memory consumption log, as a reference to add more memory or not. Is there a tool for this?
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2answers
70 views

Memory pegged by unknown process [duplicate]

I have some strange output from the top command on my web server. Output is ordered by %MEM: top - 13:57:43 up 13 days, 21:58, 1 user, load average: 0.00, 0.00, 0.00 Tasks: 118 total, 1 running, ...
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2answers
919 views

Where is the high load coming from?

Last night I recieved a lot of messages from DirectAdmin saying: load average on your system is 46.86, or some similar number. It comes with a 'top' printout, but all I can tell from that printout is ...
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1answer
1k views

Using Perfmon on Windows Server 2008 R2 Which counter value should be used for physical memory usage?

I am attempting to use Performance Monitor to set up a relevant User Defined Dataset on a Windows 2008 R2 Server. This is to track the performance costs incurred by an application that my team is ...
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1answer
639 views

How to know which application is consuming the ram?

I have the following process list and memory consumption (reported thru process explorer) on a 2008 R2 server with SQL, TFS and some other tools: As you can see the system is consuming 3.6 Gb but ...
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2answers
1k views

understanding and improving sphinx searchd memory usage

My company has a few servers that we dedicate to running Sphinx Search. All are CentOS 5 with about 48GB of memory and our version of searchd is 1.11. Recently I've been trying to understand why ...
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1answer
456 views

cacti graph memory usage on server

yesterday for the first time I have installed into my server cacti to view the performance of the memory of my server because sometimes go down. I have make an image of the memory usage graph. Can ...
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1answer
895 views

Sum of memory of few processes in top is greater than 100%

I'm trying to calculate the amount of memory used by AMP in an LAMP stack machine. top -bn1 | grep -E '(mysql|httpd|php)' | awk '{mem += $(NF-2)} END {print mem}' But the sum generated using the ...
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2answers
755 views

Avoid a crash when a process allocates too much memory?

Similar to this question, we have a computing server with 96GB of RAM that is used to run large jobs in parallel. Occasionally, the total amount of physical RAM is exceeded, which causes the server ...
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3answers
327 views

How do I diagnose a web server memory spike?

My web server gets inexplicable memory spikes every once in a while (before eventually crashing) and I can't figure out what is causing it or how to solve it. I've spent the whole morning looking at ...
0
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1answer
139 views

High memory consumption on my VPS [duplicate]

Possible Duplicate: Meaning of the buffers/cache line in the output of free Why is Linux reporting “free” memory strangely? I have a 12GB RAM VPS where I host a a couple of static ...
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0answers
658 views

how to minimize server load on ubuntu 12.04LTS

I am using ubuntu 12.04LTS server alongwith LAMP module. I configured my server with 2GB memory but after some time either I have to restart my apache2 web server and mysql process or think about ...
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1answer
886 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 ...
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4answers
10k 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 ...
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votes
1answer
736 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 ...
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3answers
3k 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. ...
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2answers
312 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
465 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 ...
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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 ...
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2answers
707 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
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1answer
487 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 ...
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2answers
413 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)
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1answer
148 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 ...
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1answer
310 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
252 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
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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
500 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 ...
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1answer
570 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 ...
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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
749 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 ...
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4answers
226 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 ...
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1answer
227 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
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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
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1answer
737 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 ...
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3answers
332 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 ...
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1answer
45 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
7k 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 ...
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0answers
414 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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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
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1answer
4k 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
16k 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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2answers
383 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
554 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
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1answer
583 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. ...
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1answer
1k 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 ...