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

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AWS Elastic Beanstalk Instance - debugging low CPU but high memory usage

I'm running a small t1.micro instance on Amazon Elastic Beanstalk. The app itself is a Java web server, uploaded via a .war file, that responds to requests from a remote Heroku web app. Upon ...
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14 views

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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34 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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17 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 ...
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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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53 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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3answers
283 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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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 ...
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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
140 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
47 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 ...
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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
31 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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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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1answer
46 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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1answer
12 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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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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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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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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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
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 ...
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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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2answers
67 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
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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 ...
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2answers
54 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
287 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 ...
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0answers
39 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 ...
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0answers
8 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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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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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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45 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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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 ...
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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
30 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
45 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
282 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
44 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
30 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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39 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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354 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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36 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
37 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
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 ...