Synonym for: RAM - Acronym for: Random Access Memory, a type of computer data storage.

learn more… | top users | synonyms (1)

1
vote
0answers
22 views

Getting RAM info from Performance Monitor [duplicate]

Possible Duplicate: Total RAM % from perfmon Windows Server 2008 R2 I'm trying to get the percent of memory used from PerfMon. Essentially, I want to see the number that's available from ...
0
votes
1answer
355 views

Commit charge peak higher than system limit

We are seeing some very strange behaviour on our servers and google didn't turn up anything usefull, so I'm tossing it out here. A standard server is configured with 4GB Ram, 2 4GB pagefiles and ...
1
vote
1answer
196 views

Will this mixed size RAM configuration work? Xeon 56xx ECC

This image show valid/invalid configurations according to IBM: Will this configuration pictured here work as well? This diagram is mine: Exact configuration: CPU 1: 3x 16GB 1600MHz Dual Rank CPU ...
1
vote
0answers
89 views

How do VM gets ram from Host machine in virtualization? [closed]

In Virtualization how do all the vm gets RAM? Does the Hypervisor allocate a portion of its RAM to each VM so that they can simple use it as its own RAM?lets say if a host machine has 8 GB RAM and ...
0
votes
1answer
812 views

How much RAM do I need to run a forum using Nginx, Gunicorn, Django?

I started an ec2 instance (micro) to test the amount of memory I have available to run a website but I was expecting having a bit more. So my question would be: How much RAM do I need to run a site ...
0
votes
0answers
126 views

Run a secondary PostgreSQL server in memory?

Our development server currently has a file-based PostgreSQL server installed and running perfectly. However, we're trying to speed up our Rspec/Autotest runs and I was thinking that running a ...
1
vote
2answers
130 views

How can I find out the amount of memory COMMITED by a process on Linux?

To prevent the OOM killer running, I have set vm.overcommit_memory = 2 and vm.overcommit_ratio = 100 . I would like to know how much memory is committed by a given process, which is contributed to the ...
0
votes
1answer
215 views

nginx VPS on Dreamhost using a lot of memory for two small sites

I have a similar problem to that of the user who posted High memory usage of WordPress hosted on DreamHost VPS. The reason this is a 'problem' is because when it maxes out the memory quota I set for ...
1
vote
2answers
152 views

Different memory consumption with similar configurations

I have two different tomcat 7 instances on two different servers (oracle jdk7) with nearly equal hardware configuration (both > 24 GB RAM). Both tomcat servers have the same configuration and the same ...
1
vote
1answer
116 views

Will more memory help my CPU-peaking SQL Server 2008 R2

I'm supporting a system running against a SQL Server 2008 R2. The server is a single-CPU box with 8 GB of memory. As traffic has increased, the server has started saturating, peaking to 100% CPU ever ...
-6
votes
1answer
82 views

On Unix/Linux OS machines are showing less memory [closed]

Why on Unix/Linux OS machines are showing less memory (RAM) than it is? Let say i have Ubuntu machine whose have 1024 MB ram, when i open "System Monitor" "Resources" tab it shows 1001.2 MB. How i can ...
2
votes
1answer
325 views

How do I use memtest86+'s “badram” output with GRUB2? [closed]

So after a while of things randomly crashing, I let memtest86+ run overnight, and it found errors. I enabled the "badram" error output, but every few seconds it shows me a differing selection of ...
4
votes
1answer
93 views

Is it sensible to use SLC swap as a RAM substitute on a VM host?

I have a few oldish servers running virtual machines but they are limited to 16GB RAM and that limits the number of VMs I can run and the options for RDS. I've added a RAID1 array of two Intel 311s: ...
2
votes
2answers
403 views

1GB cached memory - Do I need more RAM?

The server runs well but I wonder if I should get more RAM. I only have a few MB of "free" memory and 1.2GB of "cached" memory: free: total used free shared buffers ...
1
vote
3answers
520 views

failsafe RAM drive solution [closed]

I'm looking for a production solution to create a RAM drive that will be safely synchronized with HDD. I have a piece of custom software with heavy I/O load (this is some kind of proprietary ...
2
votes
1answer
1k views

How do you interpret `strace` on an apache process returning `restart_syscall`?

We restart an apache server every day because RAM usage reaches its limit. Though of value See this serverfault answer, I dont think lowering the MaxClients in the apache configuration is a solution ...
0
votes
2answers
248 views

How can I measure actual memory usage from my running processes? [duplicate]

Possible Duplicate: Meaning of the buffers/cache line in the output of free I have two servers, server1 and server2. Both of them are identical HP blades, running the exact same OS (RHEL ...
2
votes
1answer
624 views

Low-traffic WordPress website on Apache keeps crashing server [closed]

I have recently moved my low-moderate traffic (1000 UAUs, 5000 pageviews on a busy day) website from shared hosting to a Centos 6 64-bit VPS with Apache and cPanel running on 4 quad-core processor ...
0
votes
1answer
695 views

Very high Magento/Apache memory usage even without visitors (are we fooled by our hosting company?)

I am no server guy and we have issues with our speed so I come here asking for advise. We have a VPS with 2 cores and 2gb of RAM at a Magento specialized hosting company. Over the course of the last ...
2
votes
5answers
487 views

What should I do with all my free ram? [closed]

I have a weird kind of problem. I host a small webshop, it´s nothing big perhaps 20 visitors per day and a few orders per week. I will probably expand it a bit but I doubt it will grow very large. ...
3
votes
3answers
846 views

Non-ECC memory on Proliant DL385 g5

Is it possible to use non-ECC memory in the HP Proliant DL385 g5, the server is a test system so error checking is less important
0
votes
2answers
284 views

My VPS is Out of RAM how much to I need more? [closed]

I have VPS server with 1.25GB ram and 0.51GB cache trying to up an e-commerce website with 200k items, db now is about 2gb anything is now works terrible slow now because of lack memory mysql queries ...
2
votes
1answer
772 views

Apache httpd processes and PHP out of memory

I have a VPS running apache-php-mysql on centos and a single drupal website installed. The VPS has 256MB of RAM (could be the root cause of all my problems... maybe I just need more). Whenever I try ...
2
votes
1answer
73 views

Decreasing MySQL ram usage

MySQL is using 150MB of my RAM memory when it's doing nothing. I have a VPS with only 256 MB ram available, so what can I do to decrease its RAM usage?
1
vote
1answer
127 views

Swap space maxing out - JVM dying

I have a server running 3 WordPress instances, MySql, Apache and the play framework 2.0 on 64m initial & max heap. If I increase the max heap of the JVM that play is running in even by 16m I see ...
3
votes
2answers
8k views

is it possible to check how many DIMM slots are filled in a pc motherboard, remotely?

I am basically away from my office, but would like to check whether a pc (which has 4GB of RAM) has 4x 1GB DIMMs or 2x 2GB DIMMs. I am referring to a windows XP system. Is it possible to gather this ...
2
votes
2answers
831 views

Add entire 300 GB filesystem to Git Annex repository?

By default, I get an error that I have too many open files from the process. If I lift the limit manually, I get an error that I'm out of memory. For whatever reason, it seems that Git Annex in its ...
3
votes
1answer
368 views

How do you measure the memory footprint of a set of forked processes?

Say I've got a process using 200MB of memory, and it fork()s: python -c "import os; data='x'*200000000; os.fork(); raw_input()" Programs like 'top' will show each process using 200MB, with very ...
1
vote
2answers
898 views

dell poweredge r210 II mix memory

I have Dell PowerEdge R210 II server with 4Gb of memory installed. And I also have 8Gb memory module. I replaced 4Gb with 8Gb – server is working ok. But mixing memory in different ways got error ...
2
votes
2answers
486 views

APC setting - maximum apc.shm_size

Is there any limitation of the apc.shm_size? As i calculated im gonna need more or less 2 GB cache size, but if i set even 1 MB more then 1024MB, Apache wont start.
1
vote
0answers
408 views

High load average, low CPU and IO (Centos 5.7)

A Drupal 7 site with CiviCRM, after running smoothly for a year on a 1&1 VPS suddenly became unresponsive. Now pages eventually load, but can take more than a minute. Looking at resource use in ...
1
vote
1answer
535 views

Linux Huge Pages Usage Accounting

I have configured Huge Pages for use with Java and it appears to be working well although I have a question about the accounting in /proc/meminfo. To illustrate # grep HugePages /proc/meminfo ...
2
votes
1answer
137 views

is it fine to mix different sizes of memory devices on servers [closed]

I have Dell 00NH4P Server. dmidecode -t16 Error Correction Type: Multi-bit ECC Maximum Capacity: 288 GB Error Information Handle: Not Provided Number Of Devices: 18 and dmidecode -t17 | grep ...
4
votes
5answers
1k views

Which metric should I use to determine when a server is low on memory?

There are numerous (hundreds?) of different measures for memory usage on a Linux machine, but what is a good heuristic/metric to use to help determine if a server needs more memory? Some ideas: ...
0
votes
2answers
862 views

CentOS Out of memory kill. Apache is hogging something

I have a 1GB RAM Linode on a CentOS LAMP running Drupal Aegir with just 3 Open Atrium sites, and about 10-20 concurrent users. At random times, it pukes an Out of Memory kill. I can't figure out ...
1
vote
1answer
44 views

Differences in memory consumption between two identical D7 sites?

I'm running Drupal on a news site that has a lot of different View blocks on the front page (~5 total, all cached). In trying to reduce the memory footprint of the site, I've checked out source from ...
5
votes
3answers
2k views

Clear / Flush cached memory

I have a small VPS with 6GB RAM hosting a couple of websites. Recently I have noticed that my cached memory size is quite high - see below: Cpu(s): 0.1%us, 0.1%sy, 0.0%ni, 99.1%id, 0.0%wa, ...
3
votes
2answers
1k views

RedHat Linux: server paging, sum of RES/RSS + buffers + cached < TOTAL. Who is using my memory?

We have a server with 8GB, running mysql, 4 java applications and a small postgres db. We're having some issues with the system paging when running some mysql queries, so in order to see what's going ...
2
votes
4answers
2k views

DNSCache excesive memory usage Windows Server 2008 R2

We are having an issue with the dnscache service where its memory usage is becoming excessive (~6GB) after a week or two. Restarting the service frees this memory but performing ipconfig /flushdns ...
6
votes
1answer
536 views

interpreting stickers on RAM

Does anyone know how to read the labels on RAM? Or have a link to a good resource for reading the labels? Here's why I'm asking: I have a third-party Dell server in my rack. The vendor sent us ...
0
votes
1answer
610 views

Choosing a buffer size for large file transfer - SSH

I am trying to transfer large files over an internal network using Secure Shell SSH Client (3.2.9). The default buffer size is 32KB, which should be plenty, but my specific case makes me wonder if I ...
1
vote
1answer
310 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 ...
3
votes
1answer
2k views

How to Increase Memory Allocated to IIS .NET Application?

We are using Windows 2008 R2 and IIS 7 running on Amazon EC2. IIS is running a single .NET application written in C#. We are having performance issues and I want to give the application more memory, ...
6
votes
3answers
1k views

Should I reinstall my production server from 32 bit to 64 bit if it has 16GB of RAM?

I have a production server with 16GB of RAM that came with a 32bit CentOs installation. The website hosted on this server is increasing its traffic every day and I am having some MySQL trouble so I ...
2
votes
1answer
270 views

Linux Nginx + php-fpm + cron + mysqld = always out of memory

I don't get it. I have a VPS with Nginx and php-fpm and MySQL. Should be very lightweight. No Apache, right? When I reboot, it is very lightweight. ~ 50/481 MB MEM usage. Very acceptable IMO. And ...
1
vote
1answer
353 views

Dell PowerEdge R310 and T310 not allowing 6x 4GB RDIMM configuration

I have 6 identical Kingston KTD-PE313E/4G modules and trying to install to Dell PE R310 and T310 servers but with no luck. 4x DIMMs works but not 6x DIMMs. None of the modules are faulty. (I have ...
3
votes
2answers
763 views

How is htop “Swp” calculated?

When I run htop (on OS X 10.6.8), I see something like this : 1 [||||||| 20.0%] Tasks: 70 total, 0 running 2 [||| 7.2%] Load average: 1.11 ...
0
votes
1answer
350 views

Recommended optimum level of free memory in a server

One of our Windows 2008 server I noticed has been running at 93% memory consumption for some time now. Is there a recommendation as to what percentage of physical memory should be free on a given ...
1
vote
0answers
151 views

Should I consolidate multiple identical VMs into BSD jails?

We run a number of Openfire XMPP/Jabber servers. Due to the way Openfire works, we cannot easily run multiple Openfire instances on one server, so I have 5 identical VMware ESXi VMs, each with CentOS, ...
5
votes
1answer
379 views

AMD 24 core server memory bandwidth

I need some help to determine whether the memory bandwidth I'm seeing under Linux on my server is normal or not. Here's the server spec: HP ProLiant DL165 G7 2x AMD Opteron 6164 HE 12-Core 40 GB RAM ...