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

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sar -r %commit very high but only utilizing 3GB of 8GB Ram

This is probably lack of understanding on my part, and maybe too general of a question (if I can clarify further please let me know) but I am wondering what this could mean. I have the following ...
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0answers
16 views

aws ec2 instance memory utilization in cloudwatch

I have been trying to get memory utilization for aws ec2 instances through an IAM role with permissions to read and write memory utilization metrics to cloud watch. So can any one help in creating a ...
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0answers
9 views

libvirt-Can I use 'virsh save' this command only get 'vm physical memory'?

I use 'virsh save ' to create an image,but I only want to get 'vm physical memory'.I don't know how to do it now.If you know the answer please tell me.Thanks!
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2answers
35 views

Upgrade workstation memory non-pairwise [closed]

I have a HP Z420 that has 4 DIMM's installed of 8GB PC3 14900E memory (8 slots total). I have an option to install one more 8GB DIMM but I was concerned that installing memory in a non-pairwise ...
21
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5answers
4k views

Would upgrading RAM in a HP LaserJet printer improve its performance?

Would RAM upgrade for an HP 4050N LaserJet printer matter? We have this real workhorse of a Laser Printer. It's an HP 4050N and it's been in use for many years. In the past few years, I've noticed ...
2
votes
2answers
91 views

How do you continuously run Wireshark without eating up all of my RAM?

I need to run Wireshark all night to capture packets from a certain IP address. I notice the longer Wireshark runs, the more RAM it takes up because it stores all of the packets found during the run. ...
2
votes
1answer
53 views

Linux: process memory accounted to cached amount

I have very strange case of memory usage on our ubuntu server. One process (which is searchd from sphinxsearch) allocated almost all available memory, and its VSize, RSS and SHR are almost equal (...
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2answers
87 views

ESXi host memory usage seems high with no VMs running

I have set up an ESXi 6.0 Update 1 installation on a HP ProLiant Microserver Gen8. This is using the HP-provided image for ProLiant servers. With no VMs running the host memory usage is 1714 MB, ...
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2answers
317 views

How to free memory after rsync?

I need to backup data from a web server with 10GB of RAM (Ubuntu). To backup data I use Rsync. My first test was to use one rsync for all website, but it uses 5GB. So I decided to split rsync but it ...
2
votes
0answers
77 views

RHEL 6.7 cache causing out of memory errors

I have a (large) system that has cache behavior that I don't understand. It seems that the cache ran the system out of memory. How is this possible? Doesn't the kernel clean up the cache when there'...
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0answers
10 views

Sidekiq jobs do not de-allocate memory

Multiple sidekiq jobs are running on my machine. They take up memory while starting but do not release when completed. What may be causing this issue or what can be the solution to this ?
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17 views

Xen - VM not reflecting memory

I am using Xen to hot-add memory to virtual machines, but it seems that I am not getting the correct vales in /proc/meminfo on the guest. As displayed below the guest has 2 GB of allocated memory. ...
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0answers
20 views

ps output is not correlated to free command?

I am getting sum of all reserved memory in KBs by using following command:- ps aux --sort -rss | awk '{sum +=$6} END {print sum}' OUTPUT: 14746220 i.e. 14.74GB However free -g returns 27GB as used. ...
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0answers
62 views

High RAM usage by Apache without any visitors

I have recently bought a VPS server with the below configuration Centos 6 64bit 20GB SSD 512MB RAM 512 VSwap I have hosted around 10 websites. In that 4 of them is WordPress. Others are dynamic(...
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votes
1answer
37 views

How to find out if odd number of RAM modules are recommended for Xeon CPUs? [closed]

I remember that odd numbers of memory modules were not recomended for some Xeon CPUs. Currently I have to decide if 3 x 16 GB RAM modules can be used for a Xeon E3-1240 in a Dell T330. In the Intel ...
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2answers
41 views

Application Running as multiple processes

I have a java/tomcat application running on RedHat linux. Initially when I start the application, everything seems to be working perfectly fine. However, after some time, I guess 1-2 days, I witness ...
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1answer
32 views

Understanding top and tuning

I have allowed Postgres 30GB of RAM on our server. When running intensive tasks, I think it is swapping. As I understand it: VIRT - virtual memory (ie: swapped to disk) RES - complete memory usage ...
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2answers
54 views

MySQL crashes due to memory related errors, but roughly 50% memory is unused

MySQL keeps crashing because of: InnoDB: Fatal error: cannot allocate memory for the buffer pool. This looks like a memory problem and the internet seems to confirm that. Also, my box has only 1GB of ...
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2answers
31 views

Why takes CLEARING swap soo long?

Why is moving from RAM to swap fast and from swap to RAM very slow? When I run program that needs more memory that is available, I see that the RAM is prety quickly "cleaned" by moving unsused (=the ...
1
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1answer
975 views

docker-machine memory allocation

We have a fairly complex Rails app that is about to be deployed onto a single physical host. The host has 8 cores and 128GB ram. The app is dockerised, with 4 types of containers Rails inc. web ...
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0answers
58 views

IBM x3650 M3 Rackserver - What configuration for VMHost

I need a Server for hosting several virtual machines. I want to run 3-5 Linux systems (mostly Debian) VMs for webserver, database, GitLab, ldap and also a fileserver. I can choose between these two ...
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0answers
34 views

Comparing 1x Xeon multi core vs 4x UltraSparc IV

I'm in the process of reviewing specs for hardware running an Oracle server. The new hardware will be running using Xeon processor compared to the old servers (Solaris) running on UltraSparc IV. So ...
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0answers
62 views

Jetbrains team products + out of memory

I am trying to build an Ubuntu server 15.10 VM with all the software tooling required for software development. When I saw that Jetbrains offers various tools like: hub, youtrack, teamcity and ...
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votes
3answers
445 views

Abnormally high Outlook 2010 RAM usage for one Terminal Server user (RDS)

I'm working on a busy Windows 2008R2 Terminal Server where a particular user's Outlook session consumes between 2GB and 4GB of RAM. The process doesn't appear to be a slow memory leak, as the RAM is ...
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0answers
41 views

How to stop NGINX spawning new instances

So a bit of background, I'm running a little web app using just in-memory data. It's about 20 rows all-in so I've removed the database to speed things up. Just recently I deployed it on a Raspberry ...
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1answer
45 views

How much RAM is enough RAM where you want it to be ECC?

I am building a high-spec workstation on a X99 chipset, and I found that 64GB of DDR4 (non-ECC) RAM is quite affordable. This got me wondering, because data integrity in my workloads are important; ...
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2answers
55 views

Implications of increasing physical ram of VM

I have a Centos7 VM running under VMware and I'm considering increasing virtual memory in the Centos VM. Currently my VM has 8GB of virtual memory, 6GB of swap and using 0 swap right now. I am ...
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1answer
68 views

Linux Server Memory: Is this enough?

One of (weblogic)process on my WAS server(redhat linux) is killed at last night. There is no log. so I doubt my system memory. Is the system or process has enough memory? server specification and ...
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1answer
97 views

Is there a way to limit the “buffer” memory use in Linux?

I'd like to limit a Linux server's assignment of RAM into the disk cache buffer and instead leave it idle. (CentOS 5 if it matters). I know it's ideal to be using every drop of physical RAM available ...
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votes
1answer
59 views

How can I close httpd open conncetion? [closed]

I have a lot of open connection of httpd and ram usage, how can i solve this?
0
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1answer
49 views

HyperV memory per NUMA node

I have some issue with memory allocation on my Hyper-V 2012 R2 server. Server has 16GB of RAM, with 2 x 12 core CPUs. When I run Get-VMHostNumaNode, I am getting following results: NodeId ...
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4answers
94 views

Advice on DL380 G5 RAM, and why the DIMMS I have aren't supported

I have 3x DL380 G5 servers that were second hand retired ones. One of the servers, I populated with 4x 4GB DIMMs, and 4x 1GB DIMMs. Everything was working away merrily, and I decided to purchase some ...
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2answers
4k views

Does memtest86+ test memory which is used to run itself?

One of the common server failure scenarios is bad DRAM, sometimes even when ECC memory is used. memtest86+ is one of the most useful tools to diagnose DRAM problems. As it loads itself at the start ...
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1answer
34 views

How to allocate memory to memcached?

I need to allocate memory to memcached. I executed following command sudo find / -name memcached.conf and it returned a single file located at /opt/bitnami/common/etc/memcached.conf and it ...
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votes
1answer
88 views

Installing 2x16GB + 2x8GB ram in Dell R410?

In Dell's memory guide for the R410, they only give examples when using 16GB modules. So my question is, how do I install 2x16GB + 2x8GB modules when having 2 CPU's?
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1answer
92 views

centos vps memory is too full

my ram is almost full without any process using it. maybe you think it's a duplicate question but unlike others my -/+ buffers/cache is used too. this is output of related commands: top - 00:27:38 ...
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1answer
319 views

Docker using huge amount of swap memory on Ubuntu 15.04, why?

I am suffering from excessive memory usage, currently amounting to ~940 MB physical and ~1 GB swap memory, on my Ubuntu 15.04 x64 Docker (1.9.1-cs2, build 4ade326) host. According to top, Docker is ...
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0answers
17 views

Is 1GB ram enough for 250 mailboxes on a basic postfix dovecot email server [duplicate]

P.S: I did 20 minutes of research to find any solution here so I clearly know why I created separate question. Please don't mark duplicate unnecessarily. This is second time I am asking same question.....
2
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1answer
252 views

Interpreting mcelog output for bad DIMM

I'm getting streams of mcelog errors on a machine to which I don't have physical access. It seems like a bad DIMM, but I'm having a hard time determining exactly which one. mcelog output looks like ...
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1answer
24 views

N0.C1.D0 meaning in dimm config?

Could somebody explain to me what this code means in dimm config? I have E2680 server. Below is the log: N0.C0.D0 : 16 GB (1Rx4) DDR3 - bank: 8, row: 0x20000, col: 0x800, 800 8-6-6 cwl= 5 (...
0
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1answer
101 views

host a 500gb mysql database in RAM memory

I have a 500gb mysql database. Assuming that buying RAM is not a problem (memory is cheap), is it practical or even sane to host an entire 500gb mysql database in RAM memoery for faster accessing ...
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0answers
55 views

XEN VPS wrong memory?

I ordered a VPS on XEN platform with 1 GB of memory. CentOS 6.6 uname -a Linux vps 2.6.32-504.23.4.el6.x86_64 #1 SMP Tue Jun 9 20:57:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux I checked the ...
0
votes
1answer
116 views

Will adding CPU cores or RAM to my cloud server improve speed in my situation? [duplicate]

I have a Siteground cloud server, and I know nothing about servers. It hosts 8 websites, although 3 of them have their own dedicated IP addresses and cPanels. It's on a Linux server, but there's ...
1
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0answers
41 views

Physical memory runs out after sql changes

We have an 2008 r2 server working for 5 years, its physical memory was always around 70% but after our last site code and SQL stored procedures and functions updates it got to 94-96% and all the pages ...
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votes
1answer
40 views

Memory Hotplug in Linux is supported?

Does someone know, if the underlying hardware supports memory hotplug, in Linux is supported without reboot? Especially in Centos 6.x(x86_64). Thanks
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1answer
43 views

DELL PowerEdge R710 RAM upgrade

I have the following configuration: 36GB MEMORY FOR 2CPU 6X4GB on bank #1 (A1, A2, A3, B1, B2, B3) 6X2GB on bank#2 (A4, A5, A6, B4, B5, B6) Visualization of DIMM slots I have another 6x16GB ...
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1answer
42 views

NUMA processor definition

NUMA, non-uniform memory access designates a symetric multi-processing system where processors are grouped into nodes, with each group sharing some level of memory, so that memory access on same node ...
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3answers
342 views

Generating a lot of dirty pages is blocking synchronous writes

We have processes doing background writes of big files. We would like those to have minimal impact on other processes. Here is a test realised on SLES11 SP4. The server has massive memory, which ...
0
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1answer
74 views

Is it possible to increase the size of RAM of a CISCO UCS blade server?

We have a Cisco UCS Server which has 256GB RAM and installed with Win 2008 Server 64bit. I wanted to know can we upgrade its RAM to 512GB RAM? Is it possible to do that or do we need to build a new ...
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1answer
835 views

How to change grafana units of measurement on Y-axis? [closed]

I am gathering data from servers by collectd and store it in the graphite. I want to use grafana dashboards. I am trying to create visualisation for memory plugin. In graphite I am seeing data in Mb, ...