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

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Benefits to having a sole email VPS server

I have around 5 websites hosted in a VPS server, and for some reason I bought another VPS server recently just to host the emails for those 5 websites. I would like to know the pros and cons of having ...
-2
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1answer
18 views

MySQL getting OOM-killed on a BeagleBone Black [closed]

I am getting mysqld killed on a Beaglebone Black embedded PC and trying to find out how to fix this. Apparently the RAM is too fragmented, and only 384 KB of order 3 or higher is available, therefore ...
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2answers
30 views

top and htop disagree on memory usage, but swap is being used on GlusterFS server. Can this be improved?

If I run free -m, top and htop, I get different memory uses. The system is also using a small amount of swap. I understand from this question why they are reporting different values (some of the data ...
0
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0answers
19 views

How the network packets are transferred to the memory on linux? [migrated]

Is there some command or tool for monitoring network packets and how those packets are handled by the memory and than proceeded to the CPU on linux platform? Using tcpdump I can capture many apache ...
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0answers
10 views

CPU - RAM MONITOR TOOL FOR WINDOWS SERVER 2008 [duplicate]

I have a windows server 2008. I am looking for a free monitoring tool for CPU and RAM. My boss wants something really fancy and the one provided by windows is not what he is looking for. Anyone have ...
0
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0answers
12 views

Cluster Manager Ignoring Config File

I have just setup my first cluster manually (not using the auto install) and it all works great. I have 1 SQL node, 2 data nodes and 1 management node (all on separate machines). I intend to port ...
1
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3answers
71 views

Is it possible to see the RAM units configuration on HP ProLiant DL380 G5

I have an HP ProLiant DL380 G5 Server in the datacenter running Windows Server 2008 R2. I need to think about upgrading RAM on this server and decide on configuration of RAM units I am going to ...
0
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0answers
5 views

Can I change my DDR PC 400 to DDR PC 2700? [migrated]

I just want to ask if I can change my DDR PC 400 to DDR PC 2700? I am having a hard time to find a DDR PC 400 here in our place. So Im thinking of replacing it to DDR PC 2700. Is it okay ? Hope ...
3
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1answer
47 views

linux oops message, is memory address virtual or physical?

In this error message: BUG: unable to handle kernel paging request at ffff8804c001fade Is ffff8804c001fade the physical memory address or virtual memory address?
0
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1answer
35 views

how to set up shared memory and make it available?

I try to setup shared memory for Sybase ASE 12.5 on CentOS. My server has 17G memory, I want to make 14G (=17-1-2)available for sybase. (1G for os, 2G for ramdisk 14 = 17-1-2). here is the info: ...
1
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2answers
60 views

Why is my server swapping at all?

Munin shows ram that is doing nothing most of the time. But swapping still happens. Quite regularly actually, bogging down the hdd. Or am I seeing the ram graph in the wrong way? How would I go ...
0
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1answer
37 views

Read in effective RAM usage on Linux

I'm running some programs on *nix inside of a container and I'm attempting to closely calculate the amount of RAM my process is using. It is my understanding that this information should be under ...
1
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0answers
24 views

Amazon ec2 - Error occurred during initialization of VM Could not reserve enough space for object heap

I don't have any experience of working with servers, so please explain your answer in detail or provide a link to support your answer. I want to restart server and executing command for that gives ...
1
vote
0answers
35 views

Server hangs when copying files, importing db etc

I'm running centos with Plesk ( kernel kernel.x86_64 0:2.6.32-431.11.2.el6). We upgraded to 48GB. Currently we are experiencing strange problem. Whenever we try to copy some file, import database, ...
1
vote
1answer
32 views

can Iowait cause significant RAM consumption increase

I have a node.js process running continuously on a linux EC2 instance, it extracts data and stores it in mysql. Some reads are also performed on the database. The process can run well during hours or ...
0
votes
2answers
52 views

PHP exec “unable to fork” intermittent error on CentOS VPS

Using: PHP 5.5.10 nginx 1.5.10 Centos 6.5 a xen-based 4GB VPS My site uses encrypted paypal buttons. This encryption is done by the following code: $openssl_cmd = "($OPENSSL smime -sign -signer ...
0
votes
1answer
39 views

Security Log eating RAM

I've been troubleshooting some hellacious memory issues on a lot of servers in my domain as of late. I recently found this program called RAMMap from Sysinternals and it showed that my entire ...
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0answers
18 views

Monitoring and reporting on page faults to determine memory issues

I'm in the process of configuring a performance monitor(s) against all servers in my domain. I'm using WhatsUp Gold 16.2 to send an alert when we reach certain thresholds. I recently read an article ...
0
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0answers
20 views

Why would Memory\Available Bytes go down, even when Virtual Memory used is constant?

I have a long-running application that continually loops through video files. It runs for some hours, and then a message box appears along the lines of "The system is running low on memory...". I've ...
0
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0answers
62 views

How can i get Windows XP 64bit pro to recognise memory?

Looking for some help. We have a computer running Windows XP Pro 64bit SP2 (supported till April lol). It is dealing with lots of video feeds in our organisation and it only had 4gig of ram. So in my ...
0
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0answers
27 views

What happens to the files when they are being decrypted? [migrated]

I have the server's webroot directory mounted on a partition which is being protected with LUKS encryption. I want to know what happens to the files within when that partition is being decrypted. Does ...
0
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1answer
27 views

CentOS 6.4 64-bit Memory Usage really not adding up

I recently migrated hosting providers and in the process my distribution changed from CentOS 5.9 64-bit to CentOS 6.4 64-bit. Despite having a little more RAM (1 GiB rather than 768 MiB) the new VPS ...
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1answer
31 views

Tracking memory problems

I'm experiencing some trouble with my Windows Server 2008. We're using it for hosting a bunch (~50) of Web GIS applications on IIS. This setup usually works very well, but when certain applications ...
2
votes
1answer
48 views

Installing DIMM modules in HP ProLiant DL180G6 not in recommended order

I have two DL180G6 servers, I used them with 2x2 GB RAM modules, now I'd like to upgrade the memory to 16 GB for each. I have spare 6x2 GB RAM modules per machine (parameters match for the existing ...
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0answers
11 views

RApache memory usage

I have a server with ubuntu 12.04 and it is installed Apache, PHP5, MySQL, and Apache module called RApache. I am working with grid data is processed dynamically. Each time the user makes a request ...
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1answer
23 views

how much openvz burstable memory can be used

I want to buy a VPS having openvz virtualization. Now the applications that i m currently hosting( glassfish, mysql, mail) requires around 600~800 MB of RAM. Would I be able to run my applications ...
0
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1answer
91 views

How to free the (unused) memory?

Being a newbie in working with amazon ec2, I am trying to make my application work. I've connecting a few times by ssh, I've been running and stopping the server, sometimes the connection was lost, ...
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votes
1answer
53 views

Use Hard Drive as Ram for Hyper-V [closed]

Is it possible to use hard drive space as virtual RAM for Hyper-v? I am using Windows Server 2012 R2 Enterprise as the host and we are running Ubuntu 13.10 as the client OS.
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0answers
23 views

KVM: RAM Usage vs. actual consumption on VPS [duplicate]

My VPS hoster is worrying about me consuming more than booked as guaranteed RAM. My VPS is most of the time almost idle, no DB or caching in background. It's only an nginx for hosting static files of ...
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2answers
39 views

Understanding difference between system and process memory in htop

I'm a bit confused by the memory stats that htop is reporting on one of our servers. On the top bars, it's showing system memory as: Mem: 456 / 7950MB So, looks very low usage. However, my main ...
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2answers
51 views

troubleshooting out of memory error messages from mysql

we have a web application (racktables) that's giving us grief on our production box. whenever users try to run a search, it gives the following error: Pdo exception: PDOException SQLSTATE[HY000]: ...
0
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1answer
56 views

HP ML150 G6 upgrading RAM/CPU beyond specs?

I am being told that some limits on some HP servers can be crossed. Do any of you have any experience with that? A ML150/G6 is limited to 48GB RAM but I have been talking to a German company that ...
4
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1answer
128 views

cgroups memory 16GB ceiling

I am trying to use cgroups to limit memory usage of user processes on servers with a large amount of ram (128 GB or more). What we want to achieve is to reserve about 6GB of ram for OS and root ...
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1answer
43 views

No buffers in memory. What it means?

This is a memory stats from my VPS (OpenVZ). $ free -m total used free shared buffers cached Mem: 800 405 394 0 0 405 -/+ ...
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0answers
29 views

Hardware configuration for head nodes (HDDs, memory, processor, redundancy)

I'm designing a head node whose primary function is to submit jobs to the Torque/Maui scheduler and secondary function is to run test jobs. Unfortunately, most hardware selection guides for clusters ...
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2answers
103 views

Where's my RAM if it's not in cache/buffers or used by processes?

I know Linux likes to eat my RAM, and that's great, but it doesn't quite account for what I'm seeing on a VPS (KVM) running CentOS 6.5. In fact, I'm missing at least 200MB on a 1GB VM. Where could it ...
0
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0answers
32 views

RabbitMQ keeps messages in memory (memory overflow)

I have RabbitMQ server in cluster (2 nodes). All queues are durable, mirrored and all messagess are set as persistent. I wrote application to synchronize database changes over RabbitMQ queues. In ...
0
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1answer
26 views

Debian 6 - Linux 2.6.32-5-amd64 - Samba server with 32GB swap - how should i reuse it?

today i have the mission to tuning a Debian samba file server, previously i never ever touched it. RAM = 16GB SWAP = 32GB first of i ran a parted -l and a free -h and i saw one 3TB hdd: /dev/sda ...
0
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1answer
10 views

Where can one find good documentation describing memory-rank “sparing”?

Where can I find good documentation describing memory-rank "sparing" (for computer-hardware memory-protection configurations)? I'm seeking to clarify what benefits it provides and how it's typically ...
3
votes
1answer
135 views

What does “single-bit ECC errors were detected on the RAID controller” mean?

I have a Dell T7600 with a Perc H710P RAID controller and 4 attached 3TB drives. Over the past few months the RAID controller has been intermittently reporting errors on boot: "no boot device found", ...
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4answers
130 views

Why is it so hard to get servers with Lot of Ram, but few cores?

SQL server has a very high per core license cost, but for a lot of workloads benefits more from lots of RAM. his is now even more of the case with in-memory tables. Even if a server with 4 cores ...
1
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1answer
299 views

Fastest server ram configuration for 48GB?

I have an HP ProLiant DL160G6 server, with 2 CPU's and 48GB ram, with following modules: 4x 8GB Module - DDR3 1066MHz (KTH-PL310Q8/8G) 4x 4GB Module - DDR3 1333MHz (KTH-PL3138/4G) I'm re-purposing ...
3
votes
1answer
141 views

Mysterious memory usage in Linux

We have some 64 bits Linux boxes (RHEL6) running on Microsoft Windows 2012 Server (Hypervisor) with the same problem. Those Linux guest servers are running in MS Windows Cloud (Hyper-V) with 16 hosts ...
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1answer
82 views

Mysql running out of memory

I am having a lot of trouble with mysql eating too much ram on a small machine and am looking for some help in figuring out why it is eating so much. I have a small virtual machine with 256MB of RAM ...
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votes
1answer
49 views

msmdsrv.exe is taking 1.5 GB of memory? [closed]

I have a windows server and this server has 4 GB of memory. But the msmdsrv.exe is taking 1.5 GB of memory. What is that, and why is it doing this? How can I make it stop? This is a production ...
0
votes
1answer
21 views

What is the ideal strategy for RAM consumption between applications deployed in same tomcat 7 container or in different tomcat 7 instances

I have been thinking about how to manage RAM between different 3 java webapps. I have blurred concepts in mind. Deploy all the web apps in the same tomcat7 instance or have 3 different instances of ...
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2answers
105 views

Which type of RAM we should use? Registered or Unregistered?

We are planning to buy two different servers from HP. They will be used in project where we do lot of statistical analysis and Java development/testing etc. Servers are : a) Part :ML350e 2403 CTO ...
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2answers
48 views

289 dimm pair 2 failed memory test [closed]

In my IBM System eServer x336 , when I boot up, the red LED lit up, and it shows this: 289 DIMM Pair 2 failed memory test DIMM 05 is affected DIMM 06 is affected Not very sure what I am supposed to ...
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0answers
21 views

How to sizing ram and number of cpu for a VPS? [duplicate]

I need to choose a VPS for a Wordpress website. The front page makes about 100 sql request, there's about 200 visitors simultaneously, 10000 to 20000 visitors a day, and about 15000 posts (imported ...
2
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1answer
137 views

Why wont my Dell server use IBM ram?

I stumbled upon four pieces of 4GB PC2 5300F RAM from IBM (Part Number 43X5061). In my Dell Poweredge 1950 Rev 2 server there currently are two 512MB sticks, which appear to have the same ...