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

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Kernel fails to assign memory in any Linux Distro

I have a motherboard: X11SBA-LN4F/F. After install CentOS, i have error in log: May 2 21:47:48 ll-226 kernel: pci 0000:04:04.0: BAR 14: failed to assign [mem size 0x00200000] May 2 21:47:48 ll-226 ...
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33 views

Linux process resident + buffers + cache + free less than total

We are using Ubuntu 12.04 on real hardware: $ uname -a Linux test-precise-03 3.13.0-85-generic #129~precise1-Ubuntu SMP Fri Mar 18 17:38:08 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux And are unable to ...
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7 views

virt-manager: Partioning the available memory

I have a hypervisor which uses kvm and virt-manager to handle the virtual machines. The hypervisor has 6GByte of memory. If I add a new virtual machine I don't know how much memory is still free. ...
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3answers
4k views

How to find faulty memory module from MCE message?

I am trying to understand MCE message to find which memory module is bad on a server. This message appears in /var/log/kern.log in one server that freezes two times today. Apr 13 22:39:22 mbox ...
9
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1answer
5k 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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15 views

Java package moved to new Windows server is throwing a memory error - “Attempt to access invalid address”

I have been tasked with moving an existing Java application to a new server. The old server is Windows 2008 R2 64-bit, running Java 32bit version 1.7.0_80. The java memory heap settings must be ...
3
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1answer
37 views

Can I extract a private key out of Tomcat's memory?

I'm running Tomcat 6. I was messing around with my keystore in order to try to fix some certificate chain problems, and I accidentally rm'd the production version instead of the .new file I was ...
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3answers
2k views

HP Proliant ML110 G6 RAM Upgrade Issues

We have an HP Proliant ML110 G6 server running here at work which presently has only 8Gb RAM installed. The RAM presently in the system is Integral IN3T4GEZBIX or in other words PC3-10600 unbuffered, ...
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0answers
20 views

Building large RAM Computing Server with a limited budget (Bioinformatics) [closed]

In my institution, there is a lot of talent available, but for computing we only have a handful of rather old servers available. My expectation is that many institutions do have the budget to buy ...
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2answers
1k 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 ...
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3answers
276 views

How to load balance with respect to memory, disk usage, and other attributes

I've found load balancers such as NGINX but those seem to work only by keeping in mind CPU usage and network traffic. How would I load balance with respect to other variables such as the amount of ...
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50 views

Cpu Utilization and RAM Utilization [closed]

May anyone please explain what are main causes of high CPU Utilization and high RAM utilization. What are the cases when our CPU usage starts rising up? What are the cases when our Memory usage is ...
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0answers
14 views

Unable to find high RAM utilization on Linux server [duplicate]

I am having high RAM utilization issue with a dedicated Linux server used for shared hosting purpose. I am sharing the outputs of some commands which will make the issue more clear. root@live ...
2
votes
2answers
138 views

CentOS reporting lower total memory compared others in AWS

I have a t2.medium instance running in AWS on the CentOS 7 AMI and I noticed in top and free it's basically reporting 3.45GiB of total memory. If I launch an instance with the AWS linux (I think I ...
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2answers
2k views

ECC CE (Correctable Error) occuring every 5 minutes exactly

On one of our computing nodes I am getting ECC CE (correctable errors). What is a little bit peculiar about is is that errors are not massive, just a single occurrence exactly every 5 minutes. ...
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1answer
1k views

1GB VPS - Apache Worker MPM - FCGID - Max concurrent connections - RAM CAP

I have spent a week or two researching and setting up my server to run Apache with the Worker MPM and FCID. I am trying to optimize it to allow for the most concurrent connections possible. It has ...
3
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2answers
356 views

w3wp/asp.net High memory usage - Is this problematic?

We have a asp.net (.net 4.0) webapplication that is installed in several environments. In most environments, the memory usage is somewhere around 1GB. However, we have one environment where the memory ...
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1answer
34 views

Running on two servers vs. one with more memory? [duplicate]

I currently have one small VPS which I am using to host a Wordpress site (Nginx,PHP5,MariaDB). I have started to run into some memory issues (DB crashes) indicating it's probably time to move to a ...
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2answers
46 views

Adding additional memory in HP server

I am planning the installation of additional memory in a HP DL360 server. Currently, this server has two processors and 8 x 8GB stick of RAM. I have not got access to the server yet so I will assume ...
14
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2answers
29k views

Best Mysql cache settings for 8gb RAM dedicated mysql server using only Innodb (5gb database)

I'm a pretty big noob when it comes to setting up mysql for performance. And honestly I'm not worried about the fine tuning to squeeze every last bit of performance out of mysql, but I do know that ...
0
votes
1answer
107 views

How to allocate more resources to Node.JS process?

I'm not a (very good) back-end developer so understanding processes and memory are a little about my pay grade. I'm currently building an app using the MEAN stack. I have a separate Express server ...
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1answer
15 views

Increase openfire memory to larger values

We use OpenFire for XMPP messages. We have some memory issues(OutOfMemoryError), and therefor we would like to increase memory. I know how to increase memory using VM options and we were able to ...
0
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1answer
19 views

Intel modular server - blinking yellow led - clear,confirm the warning

Masters, Today we got tow warning from intel modular server, as you see below. How to clear this warning and how to stop warning led blinking? (i'm sure there is no problem, but can't clear/confirm ...
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18 views

Apache process memory footprint - disabling modules has no effect

Apache processes running on my server are using much more memory than I would expect. OS: Centos 7 RAM: 4GB mpm: Pre-fork php: mod_php My httpd.conf includes the modules in the following manner: ...
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2answers
30 views

Capacity management - what metrics/KPI for CPU and RAM?

Context: business applications servers What are good metrics/KPI for measuring CPU usage and performance? I think that things like %usage are not really relevant (it's not because my PC uses 100% CPU ...
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1answer
38 views

Ubuntu: Postgresql not using ram

I have a 4GB 2 core Ubuntu droplet that doesn't seem to properly make use of the RAM and CPU. I have tried to optimize the settings in postgresql.conf to match the instance with (based on pgtune): ...
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24 views

Configuring jobqueue for Memory changes in Dell DRAC via commandline. Need FQDD for memory

Have a Dell R620 Server with iDRAC version 7. Has 128Gb of RAM/Memory. RAM/Memory is set in Mirror mode, so effective is 64Gb. Want to switch Memory mode to Optimizer so that 128Gb is available again. ...
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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 ...
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1answer
45 views

MySQL (MariaDB) crashing

Good morning - I have reviewed a previous post regarding changing the performance schema to "Off in the configuration settings. It looks as though our configuration is already set to this. So not sure ...
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23 views

Real memory usage on Linux and Private_Dirty

On Linux, is using Private_Dirty value from smaps a good way to measure real process memory usage? Thanks
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2answers
136 views

Why is this server reporting high memory usage

It seems that given the memory percentage of the processes listed, my server should not be at 98% memory usage. Why is the cumulative memory usage so high? top - 14:34:50 up 14 days, 22:54, 3 users, ...
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1answer
11 views

Monit is reporting low memory use

Monit is reporting very low memory use that is not consistent with actual use. If I look at Monit, under System I see "5.7% [918.0 MB]" though the real scenario is very different; total ...
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1answer
44 views

Install new G Skill Ripsaw X RAM into HP Proliant ML10 v2 causes black screen and long beep [closed]

So I have a HP Proliant ML10 v2 and 3x4Gb G Skill Ripsaw X DDR3-1600 PC3-12800 1.5V. The computer does not show POST and then proceeds to a long beep. I removed the new RAM and boot and then ...
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25 views

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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14 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
8 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
54 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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2answers
31 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 ...
2
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2answers
65 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. ...
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votes
2answers
53 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, ...
2
votes
1answer
47 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 ...
2
votes
2answers
286 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
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0answers
38 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 ...
0
votes
0answers
7 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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0answers
14 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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17 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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44 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 ...
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3answers
9k views

how much RAM for heavy static content serving?

I want to make a server for my static content. I need to serve some 3-10 mb files - a lot. (I will also put on this server some .js and .css and images from my websites). I thought of nginx and G-WAN ...
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1answer
31 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 ...
12
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5answers
11k views

SQL Server 2005: There is insufficient system memory to run this query

One of our SQL Servers, which has been running stable for quite some time (years), has recently been throwing insufficient memory errors. From the Application Event Log, we see: Event ID: 701 ...