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

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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 ...
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26 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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33 views

CENTOS 6.5 x86_64 standard rsync filling cached ram while using nocache

What I'm doing: I have mounted a windows share on my server and every five minutes I move a 1.5GB file to it using this command: nocache -n 4 rsync -a -W --bwlimit=20000 /mnt/share /file/location ...
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38 views

Nginx + php5fpm benchmark (with AB) and performance increase

I have a Webserver in a Debian wheezy VPS with 8gb SSD, 2Gb RAM with a Dual Core Intel processor. Web service is Nginx (2 worker_processes), with php5-fpm + mysql. I'm currently doing some website ...
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22 views

Installing new memory purchase 1 set of 6x4GB or 2 sets of 3x4GB?

I have a server that is old and has a maximum per stick limitation of 4GB (240pin) per stick of memory. There are 6 slots. (This question is not specific to: 6 sticks or the maximum memory per stick ...
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25 views

fix high dentry_cache usage

I am having the same issue as described here: how to find out what is causing huge dentry_cache usage? I am having to open a new question as I cannot comment yet, sorry about that. My question is ...
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34 views

NAUbackup features + Snapshots

Does anybody know whether or not NAUbackup captures the memory of a vm, along with the disk, when it takes a snapshot? I'm running xenserver 6.5 on three blade servers and I setup NAUbackup to backup ...
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78 views

bash: fork: Cannot allocate memory Apache

I have a server that is not a virtual machine, and has plenty of RAM (32GB) and its using less than 6, but I constantly get this error when running some programs. root@DAL1-727]# free -m bash: fork: ...
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29 views

Acquire XEN guest memory image over network

I am trying to dump a memory image from a XEN guest (Ubuntu 12.04 x64 - domU) in order to analyze it on dom0 (Ubuntu server 12.04 x64) with volatility and find some information about the guest virtual ...
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44 views

The difference in performance of different memory mount in dell poweredge R430

There are 3 servers R430 (S1, S2, S3). All of them have 2 procesors and 8*8GB of ram in slots A1-A4 and B1-B4. There is a need of extending memory. I've read dell recomendations ...
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83 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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127 views

Strange memory usage behavior in JBoss machine with Linux

I´m having a strange memory trouble with a Linux box with two JBoss instances and one Tomcat instance. All was working fine until last 20/jul. After that, the memory available (total used - buffers - ...
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280 views

Can't change memory_limit on PHP 5.5.9 on Ubuntu 14.04

I'm running PHP on Nginx using fpm. The reported memory_limit is 128M and i cannot change it for the life of me. PHPInfo: Server API: FPM/FastCGI Config file: /etc/php5/fpm/php.ini Memory ...
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29 views

How to monitor MongoDB cursors

I have a MongoDB cluster with 1 PRIMARY and 2 SECONDARY servers. In the last couple of days the number of open cursors has risen from 10-20 a sec to more than 2K and keep rising. I'm getting a lot of ...
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146 views

What does it mean when memtester reports errors only in the arithmetic tests?

I know I have memory errors on this server so I took it offline (it doesn't have ECC RAM unfortunately ...). I also don't have physical access so I'm using the inferior memtester (versus something ...
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44 views

OOM Killer not triggering?

I'm working in an environment which has just been upgraded to Amazon Linux 2015.03 from Debian 6, quite a big jump. On the new platform a server instance has locked up a few times due to running out ...
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154 views

vSphere | VMs are balooning and swapping | sched.mem.max paratmetar does not exist

I have two VMs in ESXi5.5 environment that are swapping memory. After a long research I found out the below two articles where it is explained that one must compare the values of memsize and ...
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137 views

Java out of memory exception when running as a non root user

I'm attempting to run apache kafka on a small basically stock digital ocean server running centos 6.6. I'm not positive if this issue is kafka specific or not. When I run kafka as the root user ...
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110 views

High memory usage on server after upgrading from MySQL to MariaDB

I recently upgraded from MySQL 5.5 to MariaDB 10.0. After upgrading, rebuilding Apache & PHP, I noticed that memory usage went up by around 200+ MB. I have a VPS of 2 GB available. Before the ...
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125 views

mysql swap file crash on freebsd

I have a low memory VPS that mysql and the swap file crash out every morning at exactly 0300. There are no cronjobs on the system that have been configured. The server is a basic LAMP development ...
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11 views

Should I keep memory dedicated for HDFS and Spark on cluster nodes?

I'm wondering if there is a real benefit for splitting my memory in two for the datanode/workers. Datanodes and OS needs memory to perform their business. I suppose there could be loss of performance ...
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432 views

Memory issue - Tomcat

I'm having difficulties uploading new sites to my server due to memory. Is this due to size or a memory leak. The problem started when i was adding a new site to our tomcat server. I restarted the ...
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51 views

Change ram usage in apache.conf

I´m triggering a shell command from my PHP script. As it is much slower when running from my Webserver then manually from shell, I thought the max ram per Apache Thread might be the reason. The ...
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155 views

digitalocean server cpu is 75% all the time

I have a nice server in digital ocean, it's the 1GB ram size. It has installed: php, mysql, nginx, supervisored, beanstalkd as I installed. But the problem is the I see that all the time the cpu is ...
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144 views

Limited memory and CPU in the apache virtualhost

How can I limit the memory and CPU of each virtualhost on a apache running on CentOS?
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70 views

AWS EC2 Instance with Windows 2008 R2 Datacenter Not Using All of Memory

I have an m1.large EC2 instance running with Amazon Web Services. The OS is Windows 2008 R2 Datacenter. It should have 7.5 GB of memory, and the desktop background indeed says: Total Memory : 7.5 ...
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118 views

CentOS 99% memory usage

for the past week my CentOS VPS has had 99% memory usage. [root@server ~]# free -m total used free shared buffers cached Mem: 2048 2032 15 ...
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38 views

Systems freezes + Memory issues

I have a Hyper-V 2012 R2 server and increased its RAM to 32GB from 16GB. (for a small business). 1-2 months after the upgrade the system started to freeze seemingly randomly. Whether it was posting ...
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49 views

Striped Ubuntu box - minimal memory usage

I am currently building applications with Go, and since I can deploy binaries, there is no need to install servers, databases and whatnot. My question is: How much can I squeeze Ubuntu so as to have ...
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67 views

What could cause Ruby's free heap slots to rapidly increase?

I'm diagnosing why our Rails servers seem to leak memory. In looking at New Relic today, I noticed that "Free heap slots" of our Ruby VMs seems to jump from almost nothing up to the baseline level of ...
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138 views

Anon value from pmap list too high. how to lower?

I do not understand why apache is using so much memory. I ran pmap and received the following: 912117: /usr/local/apache/bin/httpd -k graceful -DSSL Address Kbytes RSS Dirty ...
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236 views

understand FreeBSD vmstat output about meory

My Dell PowerEdge server has 24GB memory and 6GB swap. It has some VirtualBox vms (virtual machines), one vm is assigned 10GB memory and no swap. Right now the vm is slow, the vm's vmstat output is: ...
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29 views

How to ascertain where to effectively allocate server resources?

I have recently received an upgrade to one of my servers of a 256GB SSD drive (this is in addition to two other primary 1TB drives) and a memory upgrade bringing the server to 64GB from 32GB of RAM. ...
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110 views

Poor memory performance on intel avoton?

I have 12 of these supermicro A1SA2-2750F boards that I'm playing around with in order to compare them to Dell's C5220s but I'm seeing consistent poor memory performance. Just curious if anyone's ...
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359 views

Ubuntu server memory fills up and Redis crashes

Here's /proc/meminfo: MemTotal: 7629488 kB MemFree: 237528 kB Buffers: 70536 kB Cached: 45612 kB SwapCached: 0 kB Active: 99400 kB Inactive: ...
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90 views

ASP using a lot of memory

We are struggling with hosting one of our web applications on an IIS7-server. This server hosts multiple web applications, each with their own application pool. A simple MVC5 app, consisting of two ...
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58 views

IO Rate is exceedingly incrementing

I have read through Is a 'high' IO rate healthy?, and was at ease when I read someone say that even 50,000 / hr wasn't an issue.... or not unhealthy, to answer their question; so I increased ...
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266 views

How to limit the RAM used by Apache Tomcat on AWS micro instance?

I am running Apache Tomcat with Geoserver as a .WAR on an AWS micro server running Ubuntu 14.04 with 1 GB RAM and ~700 MB swap, and I am concerned about my RAM usage because it is overflowing into my ...
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321 views

Memory usage of Postgresql and play framework

I am running a play framework application and a Postgresql server on a VPS which has 2vCores and 2GB of RAM and I'm having memory issues. I limited my play application to 1024MB with the parameter : ...
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248 views

Increased CPU usage and server response time

Over the past 10 days, I'm suddenly experiencing increased CPU usage on my website with CPU usage reaching 100% three times. During that time I'm unable to SSH to my website so I haven't been able to ...
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1k views

How do I increase the curr_connections limit using memcache?

I am using a server with Centos 6.5 64 bits Kernel 2.6.32 and 64 GB RAM and 12 threads cores, and I cannot get increase the current connections used in memcache. This is my STATS output: # echo ...
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85 views

Single TCP-CLOSE_WAIT connection brings down application till restart

Recently found a behaviour where my application had a connection in TCP Close_wait state till the app was restarted (after about 5 hours). But during this period the SUnreclaim space was also ...
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182 views

What is using all of my memory on Ubuntu 12.04?

I keep getting alarms from Rackspace telling me that my memory usage is too high, but I can't seem to find the culprit. I ran top SHIFT + M to see top output sorted by memory, and this is what I get ...
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68 views

False flag multibit errors on highest populated DIMM socket on second CPU of Sunfire x2200. Faulty CPU or faulty motherboard?

I'm testing 2GB ECC Registered DIMMs in a Sunfire x2200. Recently the system event log (SEL) began logging Multibit Errors on the highest populated DIMM socket on CPU1. With 8 DIMMs on CPU1, the SEL ...
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131 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 ...
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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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87 views

How do I test the integrity of a mini-DIMM memory module?

I have one Mini-DIMM memory-module which I would like to test using MemTest86+. While I'm aware that some RAID controllers and network equipment use DDR2/DDR3 memory packaged on mini-DIMM form-factor ...
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210 views

Postgres using only 500 MB of RAM of the available 4 GB

We recently moved to running postgres server on it's own VM and tracked the memory usage of the VM. Here is what I found: That the postgres is only using 500 MB of the available memory on the VM. ...
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185 views

Solaris memory allocation

I have solaris system that installed 12 GB RAM. All running process consume about %65 memory. I start to application that tshark (wireshark command line alternative). Tshark complete parse a ...
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401 views

X7DWN+ 14GB Memory Fitted - 10GB Detected by BIOS

We have a Supermicro X7DWN+ motherboard with two Xeon L5420 CPU's installed. There is a total of 14GB memory installed, however the BIOS is only seeing 10GB. The memory has been tested in another ...