The ram tag has no wiki summary.
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Dell T410 Memory Upgrade - mixing sizes
We have a Dell T410 server using 4x2GB RDIMMs for a total of 8GB.
I thought I would be able to replace 2 of those 2GB RDIMMs with 2x4GB RDIMMs to increase our total RAM from 8GB to 12GB.
However, I ...
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0answers
47 views
Strange Inode/Ram cache drops happening in CentOS
I run a CentOS 5.7 machine (64bit) with 24GB ram and 4x SAS drives in RAID10 setup.
This machine runs nginx/1.0.10, php-fpm & xcache. About a month back the RAM usage of this machine has changed.
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2answers
49 views
Which Windows Server version should I use on a 512MB VPS?
I have signed up for a VPS with these specifications:
Intel Core i7 (64-bit)
512 MB RAM
80 GB HDD
I need to run Windows Server, but I'm wondering which version should I use. Windows Server 2003 ...
1
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2answers
38 views
Dedicated memory for Xen dom0?
How to assing the dedicated memory for the xen host system dom0 permamently and how to preventing dom0 memory ballooning ? also what is the minimum memory need for the xen host dom0 when it as already ...
1
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3answers
77 views
Dell Poweredge 2950 RAM Upgrade
We're looking to upgrade our existing 2GB x 2 RAM by adding 4x4GB RAM. Will the server encounter some problem or inefficiency by having 2 slots with 2GB and 4 slots with 4GB? Is it recommended all ...
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0answers
20 views
DIMMs and “compliance code”, does a different “Raw Card” make a difference?
Taken from Qimonda docs:
1) 4GB 2R×4 PC2–5300F–555–11–ZZ
2) 4GB 2R×4 PC2–5300F–555–11–H0
Legend from the data sheet: "The Compliance Code is printed on the module label and describes the speed ...
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0answers
34 views
Will a set of 2x Kingston KTH-XW667LP/8G work in my IBM x3650?
I'd like to upgrade my system IBM x3650-7979 with 16GB or RAM, by installing two sets of Kingston KTH-XW667LP/8G RAM DIMMs.
The Kingstons are ECC and fully-buffered, but what about Ranks? CAS latency ...
2
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2answers
126 views
Memory usages in Linux drops frequently
I run a CentOS 5.6 (64bit) machine that has Nginx (latest version) running, with php-fpm (latest version). Things run very well, but since about 2 weeks I noticed in my Munin graphs that about every 2 ...
2
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3answers
105 views
How to diagnose RAM?
I have a java process that is aborted after a while with SIGSEGV. It started to happen after I upgraded the server with more RAM. Having tested on different JVMs I suspect it might be a hardware ...
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5answers
113 views
remotely check amount of RAM on a computer using command line
How would I remotely check the amount of RAM on a computer using command line? (Windows XP and/or windows server 2003)
3
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1answer
103 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
...
0
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1answer
25 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
90 views
CentOS only detecting 50% of ram
I have 16GB ram in my machine. Before, free -m outputted the normal 16 GB ram, however now (after a reboot) it only detects 8 GB ram. Is one ram module damaged?
grep -i memory /var/log/dmesg outputs
...
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2answers
71 views
What do you do if MemTest86+ finds an error?
I've built two similar Hyper-V servers. One is OK but other Windows Hyper-V Core fails in 1~4 days (BSODs with different reasons).
The only different parts are CPU & RAM. Now I'm testing the ...
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4answers
143 views
Vendor RAM vs offical form RAM [closed]
I want add RAM for our server HP Proliant DL380 G6.
There are no HP's shop in my country. Some computer & server shop offer me Kingston RAM for my server. But my boss says "Only HP!".
What's ...
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3answers
296 views
Maximum memory allocation for 32bit linux kernel
I was reading this article that talks about how maximum amount of ram dedicated for kernel usage in 32 bit windows is 2GB even when the total amount of ram is >4GB.
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3
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2answers
384 views
Windows Server 2008 R2 Metafile RAM Usage
I have a server which runs Windows Server 2008 R2 x64 with 4GB of RAM which hosts around 2-3 million files, the majority of which are image files.
Over a course of a week, I have noticed that ...
2
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1answer
89 views
IBM server RAM vs other server RAM [closed]
We're looking to upgrade the RAM in one of our IBM System X servers. I received a quote of $560 from IBM for 2x 4GB chips of RAM. I've looked at the exact same type of RAM (ECC PC2-5600 server RAM) ...
1
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1answer
41 views
can ecc and registered ram be used together
do you know if it is possible to use both ECC and Registered DDR2 SDRAM in a server?
We have a mix of both, but when they are all installed, the server fails to boot.
0
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1answer
62 views
Idle RAM usage increased from 144MB to 510 MB after upgrade to MySQL v5.5.16
So I am on a pretty tight budget (like a lot of folks) and I have a VPS running using Centos v6.0 x86. It has 1024 MB of RAM. I have Apache 2 and MySQL running. I recently upgraded to the latest ...
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3answers
118 views
Add RAM to HP-UX
I need to add some RAM to a machine running HP-UX.
Is there anything that I need to do before or after adding the physical RAM? Or will the OS just recognize the RAM and no further tasks needed.
...
2
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0answers
56 views
Dell PE SC1420 - ESXi 4.1 Eval Lic - Max Ram
The Server BIOS report 16gb RAM (Maximum for this Server) and vSphere lists the DIMMS in the Hardware Status, yet the Max RAM shown for this host is 4gb. Anyone know what is happening?
2
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1answer
41 views
How much ram needed for Hyper-v WebServer
I have an IBM server with 16GB ram on it. I am using Windows 2008 server R2. I want to create a virtual PC with Hyper-V for WebServer (for Intranet use). Which OS should I use? How much RAM and ...
3
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2answers
206 views
How do I optimize MySQL's memory usage?
MY SETUP ( example )
I am running Linux on an Amazon High CPU Extra Large EC2 instance with the following specs:
7 GB of memory
20 EC2 Compute Units (8 virtual cores with 2.5 EC2 Compute Units ...
32
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7answers
1k views
Database server: Small quick RAM or large slow RAM?
We are currently designing our new database servers, and have come up with a trade off I'm not entirely sure of how to answer.
These are our options: 48GB 1333MHz, or 96GB 1066MHz.
My thinking is ...
2
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1answer
81 views
How to reduce Nginx tasks running under php-fpm?
What is Apache's mod_php equivalent in Nginx? I have Nginx with php-fpm. Everything is perfect but the problem is that it works like fcgi in Apache not mod_php. This means that a task is added for ...
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2answers
279 views
Will adding more ram decrease CPU use?
I had a virtual server with 2GB ram and average use was always under 1GB of ram, so I got a new one for exact same purpose and I only got 1GB of ram. But it seems to me that it uses more CPU now.
...
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1answer
67 views
Cl 6 vs Cl 9 In a Poweredge r710
I have a Dell Poweredge R710. Right now it has 12 2GB, Cl=6 (per SIW), dual ranked, PC3-8500 RDIMMs running in Advanced ECC mode. I'd like to add 24 additional GBs.
I found this:
...
2
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2answers
141 views
What is the OID address for getting the CPU loading & physical RAM usage in WinXPsp3 & WinServer2003r2sp2 via SNMP?
I am trying to use snmp to get the usage of CPU & physical RAM from remote PC (WinXPsp3 & WinServer2003r2sp2), after google many hours I did not find any exactly OID address for them. I have ...
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2answers
67 views
RAM meanings when renting a dedicated server [closed]
8 GB DDR3 RAM
v.s.
4 x 2048 MB DDRII PC667 RAM
What is the main difference between 8 and "4 x 2048"
They both equal the same amount of RAM right?
And what is DDR3 and DDRII?
-3
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1answer
82 views
What is the exact maximum amount of RAM for 32-bit Linux virtual machine without PAE [closed]
32-bit operating systems can only 4 GB of RAM unless they use PAE. In addition, the operating system reserves several hundred megabytes of this for its internal cruft. I would like to optimize my ...
0
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1answer
85 views
How to read HP's manual about ram modules?
On page 48 in this user guide, it is explained in which order memory modules should be installed for an HP DL385 server with AMD Opteron CPUs.
There are 12 banks per CPU, and I have 6 x 4GB + 2 x 2GB ...
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3answers
210 views
Server runs out of RAM - How to find cause?
My website seems to go down for up to an hour almost every day. My host says it's running out of RAM. I don't know much about servers so would appreciate advice on what to do next.
The website ...
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2answers
35 views
Tuning windows virtual memory/paging for a specific workload
I have a specific ram-intensive program I run which slows down my entire system for hours after each run - does the Windows NT 6.0/6.1 kernel have any tunables to encourage processes' working sets to ...
0
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1answer
49 views
Server RAM: effect on performance and applications
What is basic the effect of RAM on the performance on web-server running CentOS?
As far as I know, if my applications are utilizing only 1.5 GB of RAM and I increase my server RAM to 4GB then also ...
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3answers
270 views
determine hardware configuration using command line
I have a linux machine with ubuntu OS installed on it. Now I want to upgrade the hardware. Namely, I'd like to install more RAM. My question is, how do I determine which kind of RAM installed now, ...
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3answers
56 views
How to find which process is responsibile for a RAM burst?
my VPS just ran out of RAM and I was forced to reboot it since I wasn't even able to ssh in.
My question is where should I look at (logs, etc) to find out which process was responsibile for the RAM ...
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3answers
558 views
96 GB RAM on a Dell T7500 showing up as 78GB in Ubuntu Server 11.04
Running Ubuntu Server 11.04. I've got a new Dell Precision T7500 workstation loaded up with 12x8GB DIMMs and the BIOS shows 96GB but checking /proc/meminfo gives:
cat /proc/meminfo | grep MemTotal
...
0
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1answer
65 views
estimate ram usage for my vps [closed]
I'm gonna get a new vps, I'm gonna probably need 1 TB of bandwidth, around 20GB - 25GB of disk space - it's a php-mysql website, the php script itself is about 300kb but there will be many videos on ...
0
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0answers
108 views
Dell R710 RAM upgrade
I'm upgrading the RAM in my Dell PowerEdge R710, and I think I have a solid enough understanding of ranking and how that should effect my purchase. Using the guide below -
...
3
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1answer
113 views
How does the Windows /3gb switch relate to physical RAM?
I have a 32-bit Windows server with 4 GB of RAM.
From reading various articles on the web, I reached the understanding that enabling the /3GB switch in boot.ini would mean that of my 4 GB of RAM, 3 ...
1
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2answers
77 views
Memory for DL360 G5 (PC2-5300)
I've been looking high and low, and it appears that the PC2-5300 RAM for the DL360 G5 is rather expensive.
From what I can tell, it takes PC2-5300 DDR's - which seem to be the most expensive memory ...
0
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2answers
95 views
Redis using lots of RAM, steadily increasing until I restart it
I have a simple redis installation and it seems to slowly eat more and more ram at a steady incline until I restart the redis server.
I'm using redis as a caching layer, currently I don't set an ...
3
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1answer
152 views
How to find out if installed server memory is registered (buffered) or unregistered (unbuffered)
Does anyone know a deterministic way how to find out, if the memory modules in a RUNNING Linux server are registered or unregistered?
I am aware of dmidecode and lshw but so far I did not find any ...
2
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2answers
64 views
memtest86+ errors - how are memory locations divided among multiple DIMMs?
How are memory locations divided among sticks of RAM?
I recently upgraded from four 1GB DIMM sticks to four 2GB DIMM sticks (the server specifically says it supports the 2GB DDR2 DIMM sticks). ...
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2answers
197 views
Why won't this RAM work in my HP Proliant DL380 G4 server?
I tried installing some Crucial 1024MB PC5400 DDR2 667MHz ECC Memory (CT12872AA667) and the system would not start - just post beeps.
The original memory is PC2-3200R ECC and the place I purchased ...
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2answers
554 views
My HP ProLiant DL380G7 give Correctable ECC logging reached?
I have a HP Pro Liant DL380G7 and a VMWare ESXi installed on it. In configuration tab of vSphere client inventory Memory Status is Warning with this message "System Board 8 Memory: Correctable ECC ...
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4answers
115 views
How to prevent going to SWAP?
We have a critical application which uses pretty much of our RAM memory. At most time the application stays in RAM, however there are some situation (e.g. when some other applications and deamons ...
0
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1answer
52 views
Debian virt/res/shr and cpu time limiting
Servers have multiple users running multiple programs, some of which don't seem to behave and will eat up RAM like there is no tomorrow, for example:
PID USER PR NI VIRT RES SHR S %CPU ...
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2answers
536 views
Dell PowerEdge - Advanced ECC vs Optimized for 8GB RAM
We are buying new Dell R410 servers, and I'm trying to figure out the best RAM performance we can get.
Dell offers the following choices:
8GB Memory (8x1GB), 1333MHz Single Ranked UDIMMs for 2 ...
