The amount of memory required by a program or the system for a specific task.

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2
votes
1answer
812 views

Setting the MemoryLimit of a user-created systemd scope using cgroups as user

Related: LImiting overall memory usage for child processes Is there a way for an unprivileged user, or for root to allow an unprivileged user, to create a systemd scope (or other control group ...
4
votes
0answers
256 views

Node.js Server with PM2 Crashing with error ENOMEM - but no memory leak

I have an EC2 instance running a node.js server (Express based). After deploying in a new environment, my service had started crashing almost instantly with spawn ENOMEM Errors like this one: ...
0
votes
2answers
182 views

How can I identify the purpose of a process called “analog”?

I had an unusual amount of memory being used in the server and when I logged in as root and ran "top" I got this line: 13778 global 34 19 1726m 857m 336 D 1.3 85.6 1:49.89 analog ...
2
votes
1answer
2k 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 ...
17
votes
7answers
2k views

How often do you restart a heavily-utilized Windows Server 2008R2 Remote Desktop Server (VM)?

Note: I've read How Often Do Windows Servers Need to be Restarted? but this question pertains to our Remote Desktop server specifically. We have a Windows Server 2008R2 server - a VMware ESX VM - ...
2
votes
0answers
405 views

Avoiding swap on ElastiCache Redis

We have been having ongoing trouble with our ElastiCache Redis instance swapping. Amazon seems to have some crude internal monitoring in place which notices swap usage spikes and simply restarts the ...
0
votes
1answer
96 views

Windows Server 2008 R2 System process eats RAM

We have a Win Server 2008 R2 Standard (ServicePack 1) running, and the machine is equipped with 40 GB RAM No idea what happened, but the System process is always allocating about 24 GB RAM. That ...
3
votes
1answer
155 views

Windows Server 2012 R2 Hyper-V doesn't allow VM to use all RAM

I have a physical server with 12GB of Ram, with a system HDD of 250Gb (180Gb free), and a dedicated HDD to host the VMs of 1Tb (600+Gb free). This server was running Windows Server 2008 R2 as a host ...
2
votes
1answer
492 views

SNMP memory values do not match `free`

Compare this # free -m total used free shared buffers cached Mem: 72363 68035 4328 0 522 66294 -/+ buffers/cache: ...
10
votes
7answers
26k views

How much RAM does a server actually need?

I have a quite a few servers deployed around the world. They are running Windows 2003 x64 with SQL Server 2005 x64 with 6 GB of RAM. The boxes do not have the best (or even an acceptable) ...
1
vote
0answers
321 views

Apache 2.4 prefork, MySQL 5.6 and 2GB RAM

I think I'm having problem setting up Apache24 correctly. Apache seems to taking up to much RAM, and I'm not sure how to configure it. The FreeBSD server is using 50% of it's swap space. We are ...
0
votes
1answer
76 views

Is / in memory? AWS/EC2 Ubuntu Server 14.04 LTS (HVM)

I've been investigating this for a while, and I'm really confused. I have an AWS/EC2 m3.medium instance running Ubuntu Server 14.04 LTS (HVM), SSD Volume Type - ami-d05e75b8. I ran into a problem ...
-1
votes
1answer
58 views

understanding web server memory usage [duplicate]

I have a PaaS hosting solution that sets up a wordpress cloud (DigitalOcean) server with wordpress, all managed by the hosting provider. I still have ssh access/ftp etc... I know that mysql runs on ...
1
vote
1answer
1k views

Adding normal graph on memory usage per process to Zabbix

I need to monitor memory usage per process of processes on Linux. My monitoring tool is Zabbix. I found some links which describe how we can do it on windows. As an example I can refer to Host ...
3
votes
1answer
179 views

Windows server 2008 R2 High Memory Utilization

We are running a VM with Windows server 2008 R2, we see the physical memory utilization to be close to 100% always. Machine is running crystal reports server. Task manager counts to 99% memory ...
1
vote
0answers
108 views

ManifoldCF keeps running out of memory

I am using ManifoldCF to help index documents to Solr. Solr is configured in Cloud-Mode, with one node/core and an external ZooKeeper (on the same machine as the one running Solr). ManifoldCF reads ...
0
votes
0answers
8 views

Picking the right server for Node JS development [duplicate]

I'm currently using an AWS t2.micro instance which has 1 cpu and 1gig of memory (which top says is actually ~650mb) and I'm quickly running out of memory. I have around 20 node processes going ...
1
vote
0answers
215 views

Unresponsive Server 2012, may be because of Hyper-V

there is a setup: ProLiant, Xeon, 16Gb on the host, 3 VMs (2 servers 2012 + Win7). Not all three VMs work simultaneously all the time. The problem is that sometimes host (and mostly all guests) ...
0
votes
0answers
147 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 ...
1
vote
1answer
321 views

Ubuntu 14.04 server - Out of memory (OOM killer) - what is causing my memory issue/leak?

I try to find the cause why my server gets out of memory every few weeks and calls the OOM killer. It seems to be that memory usage is stable for about 2 weeks, then going up gradually for 2 weeks. ...
1
vote
1answer
237 views

tar uses too much memory for its buffer - workaround?

I am taring and then compressing a bunch of files&directories on my Ubuntu Server VPS for a backup. It only has 1GB of RAM and 128MB of Swap (I can't add more - OVH use OpenVZ as their ...
2
votes
1answer
467 views

CentOS, kernel: out of memory

Hope you can help me with the following problem. We are running a CrushFTP service on a CentOS release 6.6 (Final) system. But nearly every week the service crashes. So I take a look at the logs and ...
1
vote
0answers
68 views

slabtop command doesn't work

I've inherited Sys Admin duties on webserver and I'm a bit of out my element, but learning as I go. My newest issue is all the of the ram has been gobbled up and I'm not sure where it has gone. free ...
0
votes
1answer
148 views

Limit PHP-FPM memory consumption

In my php5-fpm/php.ini I have: memory_limit = 512M However, after serving a few requests, ps uxa shows: root 1130 0.0 0.3 339892 8064 ? Ss 05:29 0:00 php-fpm: master process ...
0
votes
1answer
107 views

Server crashing daily at 3:40am

I have a cloud server with rackspace. It is CentOS release 5.10 (Final). 40GB storage, 1gb ram, 2gb swap. I am running the kloxo control panel to manage the virtual hosts. Every day it eats up all ...
0
votes
2answers
631 views

SQL Server 2008 R2 does not utilize allocated memory

Our app runs on a server with 4 core CPU, 8GB RAM and Sql Server 2008 R2 Standard Edition (10.50.1600.1), 64 bit. Server dedicated to Sql Server, no other heavy service is running. We've set min/max ...
1
vote
0answers
42 views

Cisco process memory usage

I am trying to monitor a Cisco process memory usage. This is what I get with the command line: show system internal processes memory | inc PID|ipfib PID TTY STAT TIME MAJFLT TRS RSS ...
1
vote
0answers
188 views

Apache randomly crashing

so apparently apache has been intermittently crashing overnight and the apache error log has shown nothing that is suspicious. I would have to reboot my server each time to get apache running again. ...
1
vote
1answer
278 views

CentOS Qemu+KVM lot of virtual machine processes

I am on host-machine with Centos 6.5, qemu+KVM and 2 virtual hosts in it (behind NAT). Both virtual hosts were configured with Virtual Machine Manager (one of them is with Windows 2003 and other with ...
17
votes
11answers
22k views

How to monitor and log the memory/cpu usage of processes over time? [closed]

I am looking for a way to diagnose issues, such as swap death, where a balooning memory process fills up swap and kills the whole machine (such as apache). I'm already using cacti and I can set up ...
0
votes
1answer
139 views

Apache Causing High Load

I'm having an issue with Apache 2.2.15 (CentOS 6.x x64) causing high memory load, to the point of consume 100% of an 8GB swap, and load averages >125. The VM is an Azure A2 VM (2 vCPU, 3.5GB RAM). ...
1
vote
2answers
1k views

Avoid a crash when a process allocates too much memory?

Similar to this question, we have a computing server with 96GB of RAM that is used to run large jobs in parallel. Occasionally, the total amount of physical RAM is exceeded, which causes the server ...
0
votes
1answer
216 views

How to take memory dump when IIS Applicationpool recycles

Applicationpools in our production environment randomly recycle because it reached its private bytes memory limit (Event id 5117). The private memory limit is set to 1.6 gigabytes. From time to ...
2
votes
2answers
1k views

XenServer 6.2 VM 100% CPU and 100% memory usage and won't boot

I had this problem today after a power failure. I had 2 vms and one of them won't boot and was using 100% of CPU and 100% of memory. Since it was very dificult to solve (at least for me) I want to ...
0
votes
2answers
251 views

When should I consider to add more RAM to VPS instead of CPU? [closed]

I have a VPS hosting a Wordpress site. When the traffic is too high, I usually see the CPUs are very busy and fully occupied. Therefore, I always try to add more CPU cores to the VPS. For example, 4 ...
4
votes
2answers
3k views

mysql becomes unresponsive at same time every day

My server goes down every day at same time. I found that the issue was due to mysql. I tried show processlist; and found that data base was entering in to sleep mode. I saw there was so many inserts ...
0
votes
0answers
51 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 ...
-1
votes
2answers
1k views

MSSQL 2008 r2 Express: there is insufficient system memory in resource pool 'internal' to run this query

I'm experiencing this error during the lifecycle of my DotNetNuke Installation. I've change the hosting server and now I've got a Windows Server 2012 with IIS 8 an SQL server 2008 r2 Express running ...
-2
votes
1answer
126 views

“-/+ buffers/cache memory” used is always 0KB

I have an OpenVZ VPS with Ubuntu server 14.04.2 and I can access to a SolusVM control panel. Recently, "memory usage" is always 0 KB, and only "vswap usage" shows real swap usage. if I run free -k i ...
0
votes
0answers
254 views

linux system slab cache proc_node_cache usage too large

My system run java program only, at some time the memory usage increase very quickly to a very hight percentage: memory usage of java : PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ ...
3
votes
2answers
2k views

Ever increasing mem usage by php-fpm?

It seems php-fpm is allocating more and more memory, although peaks and dips in amount of requests. Couldn't post more than one image, so I put them here. As you can see in the uri of the pictures, ...
-4
votes
1answer
68 views

mysql hot add memory

Is it possible for currently running jobs in MySQL to utilize memory that's been hot added? It looks like when memory is hot added to the VM the currently running jobs are not utilizing the additional ...
1
vote
2answers
65 views

find out which memory pages are owned by kernel

I can obtain a wonderful memory map of all processes with the Linux command pmap $(ps -A | awk '{print $1}'|grep -v PID) | sort | grep \^0 It looks like ... 00007fd6dbf45000 4K rw--- ...
0
votes
0answers
161 views

Do I need more memory for my CentOS server?

When checking my server's memory usage with free -m I'm getting this result: total used free shared buffers cached Mem: 1024 1024 0 ...
1
vote
4answers
241 views

Is there any tool that I can use to monitor memory usage of each process on Linux easily? [closed]

This issue is not the same as the question on how to see the memory usage of a Linux process. Also, the top command doesn't give the exact memory used, but just what percentage one process uses, so ...
0
votes
3answers
2k views

Smallest footprint OS [closed]

Many FreeBSD users tell me that FreeBSD has the smallest footprint in terms of CPU & RAM usage. I'm looking for a server OS with the smallest possible CPU & RAM usage, so I will try FreeBSD ...
0
votes
1answer
133 views

How to calculate amount of memory being used for processing an array

I have an array of 6 million database records. Each record has 100 columns. Is there a formula to calculate the amount of memory that is being utilized by the server? Will this be exponential? The ...
0
votes
0answers
430 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: ...
0
votes
0answers
45 views

org.apache.tomcat.util.net.JIoEndpoint takes more memory

org.apache.tomcat.util.net.JIoEndpoint takes more memory as per new relic Thread profiler. The memory utilization never reduced even in idle time. It seems there is a memory leak in this class. Could ...
0
votes
1answer
682 views

Why is my java process using much more heap space than specified?

I'm running a Java application on Solaris using the -Xmx256M switch. When I connect via JMX, the JVM tells me the application is using about 50Mb of heap, and correctly states the maximum heap size is ...