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

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Apache thread MEMORY Usage

I am facing an issue over the site i am working on, even in very low load of around 10-20 page views per second, the CPU usage maxes out, with all cores running at 100% plus the apache thread memory ...
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33 views

When using alias in NGiNX is the content of the file called loaded on the RAM?

When I load a static file via alias does it load the whole file into the RAM and then sends it to the user or is it stream directly to the user? I am wandering because I have a server with 250MB of ...
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2answers
3k views

Multibit error encountered on Dell Server Memory

Dell OpenManage reported the following: Memory device status is critical Memory device location: DIMM_B2 Possible memory module event cause:Multi bit error encountered What does this mean? How bad ...
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1answer
337 views

How to limit the total (not per process) amout of memory Apache 2.4 uses

Is there a way to limit the total (not per process) memory Apache uses? I have a web server that runs PHP and MySQL. I need a PHP memory limit of 1G or some scripts will fail (dompdf/phpexcel). The ...
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2answers
1k views

Find all virtual machines with ballooned or swapped RAM in VMware cluster?

If I were to look at a vSphere cluster or resource pool and see a certain level of memory ballooning or swapping, how do I identify which VMs are affected? I know what to do with them once I find them ...
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1answer
221 views

IBM x3200 M3 - RAM compatibility

I've got my hands on a IBM x3200 M3 server. ESXi 5.1 is installed on it and more RAM would be much needed since there's only 2 GB installed for the moment. Does anyone know how it's working with RAM ...
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2answers
4k views

What does the sync command do?

I know what it does... I guess I am curious why it is fixing a problem in an application i've inherrited. I took over a fairly large tomcat application which acts as Red5 server for a bunch of flex ...
2
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1answer
475 views

Should CPU usage be so low while memory usage is high on heavy mysql server?

I'm using ubuntu server 12.04 x64. The server receives a lot of requests to mysql through apache web server (it's light interface). From mysql stats I see there is approx 250 queries / second from 8 ...
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4answers
1k views

How To Reduce php-fpm RAM Usage in CentOS 6.4?

I've installed LEMP stack on my server. My server have 1GB of RAM with no load. I've installed php-fpm and it looks like it's using most of the RAM of my server. I've used the below command to get ...
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3answers
152 views

Are memory-module blanks really important to have for a Dell PowerEdge T110 2 server? Or are they optional?

I have removed and installed ram-chips from laptops and desktops before, but this is the first time I am doing it on a server (Dell PowerEdge T110 2). The hardware manual cautions that a memory-module ...
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1answer
35 views

MS SQL 2005 Client excessive memory usage

Hi I inherited the support of an MS SQL 2005 server on a Windows 2003 server and its client XP workstations running MS SQL 2005 Native client. The database is appox. 1GB in size and some of the tables ...
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2answers
878 views

installing non-hp RAM in hp proliant ml310e G8

i bought the hp proliant ml310e G8 with 8GB of crucial RAM. but when i plug it in the system initialization hangs on 90%. i read in another post (HP ProLiant ML310e Gen8 early system initialization ...
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1answer
130 views

RAM memory is increasing progressively [duplicate]

I'm having some issues with my VPS Ve, right now I have two sites running with PHP (one of them with Wordpress), a few days ago the RAM usage rose above 100%, strange thing is I made no changes. RAM ...
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votes
1answer
256 views

RAM Warning R815 DELL [closed]

I tried to set a R815 DELL server with 192GB capacity. The problem is that when I turned on the server the following warning message appeared : warning : the installed memory configuration is not ...
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2answers
624 views

/var/log/messages showing lots of CE Err=0x2000 even on unused banks (slots)

I recently had to upgrade an old server (HP ML350G5) with used FBDIMM DDR2 RAM (could not get new ones where I live). After rebooting /var/log/messages has been plagued with CE Err=0x2000 errors but ...
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1answer
55 views

What is System Code Total Bytes

I am trying to use perfmon, and according to MSDN, the "System Code Total Bytes" counter ... Shows the size, in bytes, of pageable operating system code currently in virtual memory. It is a ...
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1answer
313 views

-XX:MaxNewSize and other JVM parameter setting in AIX

All, I am trying to adjust our application's memory settings: JVM and Heap adjustments. I also came across -XX:MaxNewSize parameter. Our application runs on a AIX machine which has ample RAM (100+ ...
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1answer
57 views

Linux server hangs and memory hits zero [closed]

I run a Debian Linux server (with Apache 2 and MySQL) on a virtual private server with 256 MB memory. (I also use swapspace package.) The system hanged. The memory graph (provided by the hoster) ...
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2answers
285 views

Moving a process to and from swap [closed]

I've got serveral processes (game servers) on my linux server that use up 50MB of RAM. They are not constantly being used, and I'd like to be able to run more instances than my RAM capacity allows. I ...
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0answers
195 views

How to read the address of the XSDT table, as provided by `acpidump`?

I want to access Physical memory in BSD. acpidump -t XSDT > xsdt_dump.asl it is giving: /* RSD PTR: OEM=ALASKA, ACPI_Rev=2.0x (2) XSDT=0x9aae8070, length=36, cksum=164 */ /* XSDT: ...
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1answer
142 views

Memory usage on my firewall [duplicate]

I have a memory usage problem with my Checkpoint Firewall (it's a physical firewall). On my monitoring software OPManager I can see that 94% of my memory is used. In SSH, when i enter this command : ...
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2answers
1k views

What is using the RAM on this Ubuntu 12.04.2 server?

I have two servers in a pool with Nginx, PHP5-FPM and Memcached. For some reason, the first server in the pool seems to inexplicably lose about 2GB of RAM. I can't explain where it's going. A reboot ...
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2answers
155 views

Being DOS'd or need more memory?

I have a centos 6 server running apache2, php and MySQL. The apache config has a few virtual sites as the server runs six websites, three of the six sites use MySQL and the other three do not. ...
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1answer
706 views

What kind of memory for Hp Proliant dl380 g4

I am trying to figure out what kind of memory this Hp Proliant DL380 g4 needs. I can see that it will take PC2-5300 ddr2 memory from this HP article ...
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1answer
223 views

FBDIMM Thermal/TDP Issue

I've got a 2U dual Xeon server with 8x 2GB DDR2 FBdim/ECC ram, on an intel s5000PSL board. It's stable, the ram memtests clean and both CPUs are running cool (35C). Half of the sticks run ~60-65C, ...
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1answer
538 views

“Unballooning” RAM that's been ballooned by VMware

Given the constrained RAM situation described in this question, what is the cleanest method (manual or programmatically) to: Identify VMware virtual machines whose RAM has been reclaimed by the ...
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2answers
2k views

vSphere education - What are the downsides of configuring VMs with *too* much RAM?

VMware memory management seems to be a tricky balancing act. With cluster RAM, Resource Pools, VMware's management techniques (TPS, ballooning, host swapping), in-guest RAM utilization, swapping, ...
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1answer
123 views

How is the Total Virtual Memory Calculated in this server? [closed]

From the images below, I am not sure how the 'Total Virtual Memory' available is shown as 7.82 GB in the system information (winmsd.exe) ? I always though it is nothing but the page file size ...
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2answers
169 views

OS available RAM and application JVM setting

I am a newbie to servers and management and I am trying to understand the relationship between RAM and JVM. Say, I have a server having 16 GB physical memory (RAM). I have an application running in ...
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4answers
464 views

What is the *optimal* virtual memory configuration for this server? [closed]

I am maintaining a Small Business Server 2003 (x86) server, that was originally installed and configured by someone else in early 2009. Recently, although we have never had any obvious memory-related ...
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146 views

Accurately get memory usage on Linux

I am trying to incorporate this feature into a script I am writing. From what I understand "free -m" does not report accurately. From what I understand the memory is used, Linux does not "free" it ...
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2k views

How do I find the root cause of Memory pressure failure on an SQL server 2008?

One of the servers I have been performance monitoring started throwing the following warnings from the Resource-Exhaustion-Detector: Windows successfully diagnosed a low virtual memory condition. ...
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2answers
278 views

RHEL: What happens when memory starts to fail?

I'm getting ecc warnings from some server RAM. It's a pretty old machine so there isn't any warranty on these parts. If this were Windows I would expect to see BSOD. What can I expect from RH5.x?
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1answer
47 views

Is there any big changes if I use different VPS with better RAM? [duplicate]

Currently, my Rails app is working on a server with 1GB RAM. I feel it's so slow so that I'm planning to shift to better Server. There are 3 choices such as 2GB, 4GB, and 6GB. or 2GB with SSD. Is ...
4
votes
4answers
331 views

Allocated Memory difference in xen guests with Linux 2.6.18 and 2.6.32

Can some one explain me why there is difference in available memory on Guests with same configuration: Hypervisor:xen 4.2 64 bit VM1: Centos 5.7 with 2.6.18-274.el5xen, Assigned memory from xen is ...
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1answer
23 views

One Slower/Larger VS Two Faster/Smaller RAM [closed]

Generally speaking, performance-wise, which one is the best (putting brands aside)? 1x 8GB 1333MHz RAM or 2x 4GB 2400MHz RAM Both DDR3.
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2answers
412 views

How do I find the total RAM dedicated to apache web server?

I am trying to figure how how much RAM my apache web server is currently using and how much RAM is it allowed to use. The ps command in linux can give me the memory usage on a per child process ...
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2answers
1k views

Dell Power Edge 2950 - E211 SBE LOG DISABLE DIMM6

Any idea of what this error E211 SBE LOG DISABLE DIMM6 could mean? Anyone have experienced this? I know that it sound pretty obvious, that is the 6th bank of my memory, and guest what: I have ...
0
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2answers
519 views

Debian error : edac mc0 internal error

I have a problem on last Debian Server. I have this error written every seconds on my screen : EDAC MC0: INTERNAL ERROR: csrow value is out of range (7 >= 4) edac-utils give that : mc0: 0 ...
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1answer
145 views

Apache process races away (process size explosion)

I come here because I have searched and tried different optimization without finding any answers. We have a server with four websites hosted. The frequentation is not very high (we are sure that the ...
4
votes
1answer
737 views

Very high memory usage, but not claimed by any process?

While stress-testing LVM on one of our Debian servers, I came across this issue where memory would fill up a lot to the point where it would run the server out of memory, but no process would claim ...
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1answer
248 views

Mass memory used, buffer free, no apps started

Have searched for many times before asking for my problem. I've 6gb RAM, 4 currently used, 2 free, buffers are low # free -m total used free shared buffers cached ...
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0answers
372 views

How to avoid Memory “Hard Fault/sec”

i've a problem on my windows 2008 server x64, and i cannot understand how can i solve it. i'm looking to Resource Monitor and see about 100 to 200 hard faults/sec. and generally the machine is slow. ...
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2answers
1k views

Windows Server 2012 vs Windows Server 2008 on 1gb of ram [closed]

I will be purchasing a vps soon and I there are two possible operating system that I can use, Windows Server 2012 Standard and Windows Server 2008. The vps will only have 1gb of ram. Memory wise what ...
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1answer
99 views

idle proccesses and high memory bad? uwsgi/django

I have a VPS with 256MB of ram. I'm running nginx, uwsgi and postgresql on Ubuntu 12.04 for a soon to be Django site. About 200MB of ram are being used despite the website not being active, the uwsgi ...
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1answer
182 views

Varnish memory management

I have a rather 'dumb' question regarding Varnish. I've been reading info on Varnish cache storage types and yet don't understand what would happen in following: Imagine we have 2GB of free memory. ...
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7answers
2k views

Is it necessary to burn-in RAM for server-class hardware?

Considering the fact that many server-class systems are equipped with ECC RAM, is it necessary or useful to burn-in the memory DIMMs prior to their deployment? I've encountered an environment where ...
5
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1answer
1k views

How can the Private Bytes of a process be significantly less than its effect on the system commit charge?

On a 64-bit Windows Server 2003, I can see using taskmgr or process explorer that the total commit charge is around 3.5GB, yet when I sum the Private Bytes consumed by each process (by running pslist ...
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1answer
99 views

How much memory should I allocate for host OS when virtualizing [duplicate]

I would like to buy a dedicated server and virtualize it. Details: Host OS Ubuntu 12.04 server OS Setting up 3 VMs. 2 serving web applicaitons with php/Mysql + nginx and 1 running bugzilla. With ...
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1answer
310 views

Can anyone identify this eMMC card socket? [closed]

It's not mSATA or PCI-e mini card. Any ideas what socket this eMMC fits into?