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

learn more… | top users | synonyms

0
votes
0answers
9 views

Jira/Confluence hogging memory with lots of processes

We've been working with Jira and Confluence on a Debian 6 VPS for a while now. Everything is fine as far as their daily use is concerned. The issue we are encountering now is that occasionally, the ...
0
votes
0answers
7 views

RabbitMQ memory consumed by Erlang writers, and nothing is paged to disk

I have a case where the total memory used by RabbitMQ is 6.2 GB, and 6.1 GB of which are utilized by Erlang writers. However, I can not find this size paged anywhere on the hard disk. what happens if ...
1
vote
0answers
42 views

Nagios check_jstat

I'm trying to monitor java memory usage using nagios nrpe features. So I download and install check_jstat and install the plugin on the remote server. And when I ran it below is the result: OK: jstat ...
1
vote
1answer
13 views

Linux top in RES what does the 't' suffix stand for

When monitoring my system with top, I noticed that under RES some values have a 't' suffix, but I can't see any indication of what this means. PID USER PR NI VIRT RES SHR S %CPU ...
1
vote
1answer
14 views

Monitor java application memory inside Cloud Foundry

I have a Java application that I'm deploying inside a Cloud Foundry environment. I want to monitor the application's memory usage. Cloud Foundry provides the cf app command that produces output ...
0
votes
1answer
11 views

Azure App Service Memory Use Diagnostics

Our ASP.NET website hosted on Azure as an App Service is experience periodic huge memory spikes. In the portal I will see it hover around 1GB all day then spike up to 5GB over the course of an hour or ...
0
votes
1answer
67 views

high memory usage on amazon linux

I've observed high memory usage at amazon ec2 instance using amazon Linux. See attached image. Top 25 processes shows < 1GB of memory, but free -m says ~ 3GB is consumed. I've already visited ...
-3
votes
1answer
36 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
votes
1answer
28 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 ...
0
votes
1answer
24 views

MySql ignores memory settings

I'm using MySql community server 5.6 on Ubuntu 15.04, I have /etc/mysql/my.cnf (no other config files). I've made changes to it and restarted MySql. When I use such query SELECT @@key_buffer_size ...
0
votes
1answer
21 views

Is MySQL using up all the memory? [duplicate]

I need help with reading this output of free -m. This server has a total of 32 GB of ram but it shows 9383 used and 290 free. The rest seems to be in the buff/cache. I am running mysql on this server ...
3
votes
3answers
297 views

CentOS 7.1 - Reverting to Old Functionality of top and service

I recently installed a fresh CentOS 7.1 server. I'm noticing a few differences from CentOS 6.7, and I'm hoping there is a way to revert to an old view of certain things. For example: Question 1: ...
1
vote
0answers
36 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 ...
1
vote
0answers
39 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 ...
-2
votes
1answer
23 views

How can I reduce the Cache usage of MySQL and raise the free memory?

I currently have a virtual server with 12 GB of RAM and 8 CPU running many websites with Apache and MySQL. When looking in PhpMyAdmin monitor, I see the following resource usage graph: image -> ...
0
votes
3answers
93 views

Idle AWS EC2 but high memory usage

I'm using Amazon EC2 instance C4.large, total 3.75G memory, running Amazon-Linux-2015-09-HVM The memory usage increases day by day, like there's a memory leak. Then I kill all my program and all ...
1
vote
1answer
54 views

tuneup application memory management

I have couple of systems 75% the memory used for buffer and the rest by applicaion. I have a monitoring tool alert me for high memory usage be cause the system used 90% aavailable memory, based on my ...
0
votes
0answers
46 views

Unable to start VM with more than 1388MB of memory in Hyper-V

I have a question regarding Hyper-V on Windows Server 2008 R2 (Standard). After installing and configuring Hyper-V via adding a role in the server manager, i am able to start VM only if they have ...
1
vote
0answers
66 views

How does docker stats output relate to top output?

I've got a process running in a Docker container on Linux, with a 2GByte memory limit. (The container is started with docker run --memory=2g.) Here is what top says about it after it's been running ...
2
votes
1answer
71 views

Missing memory on ESXI 6.0

I have an ESXI 6.0 with 8GB Ram. For some reason I can only use 4.7GB for VMs. I tried using esxtop but didnt see anything using lots of RAM. Below are screenshots from vsphere. Can anyone help me to ...
5
votes
1answer
123 views

Hyper-V dynamic memory not correctly assigning more memory

So, I got an alert from our monitoring system that there's less than 15% memory free on a virtual machine. I log in to investigate, it turns out that the VM in question is a Hyper-V VM with Dynamic ...
2
votes
0answers
11 views

What is the value shown for memory graph in XenCenter?

I would like to ask question to people in this community about Xen Center. I use Xen 6.5 in production environment. However, I quite don't understand the value shown in memory graph of "Performance" ...
-1
votes
1answer
64 views

mySQL keeps crashing with a specific Wordpress theme enabled

nice people ;) I have a problem with my server after I setup a new theme on one of my wordpress sites. At first mySQL started to crash once in a while, then it became more and more often and now you ...
1
vote
1answer
40 views

Linux OOM-killer disabling woes

I have a Linux machine with no swap, which has vm.overcommit_memory=2 and vm.overcommit_ratio=100 set. However these settings seem to have no effect. Some newly-started processes which attempt to ...
3
votes
0answers
162 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: ...
2
votes
0answers
238 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 ...
3
votes
1answer
105 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 ...
1
vote
1answer
102 views

RamMap shows millions of processes that Task manager doesn't

I have a server 2008 box with 32GB RAM on and i have been investigating why it runs out of memory every 150 ish days. Task manager shows that we are running at 99% memory usage but all the processes ...
1
vote
1answer
165 views

Are Application Pools Generally Larger In IIS 8.5 vs IIS 7.5?

We recently moved our websites from IIS 7.5 to IIS 8.5. We did not change any of the code in the websites The app pools are identical in configuration We are running ~70 sites on this ...
0
votes
1answer
66 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
46 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 ...
3
votes
1answer
151 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
84 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
144 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
111 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
155 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 ...
0
votes
1answer
83 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 ...
2
votes
1answer
179 views

Nginx: Optimal map_hash_max_size and map_hash_bucket_size for 1M map?

I have 1M static rewrite rules and using this map configuration. How to determine the optimal values for map_hash_max_size and map_hash_bucket_size? I want to optimize for memory consumption. The ...
2
votes
1answer
291 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
54 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
111 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 ...
1
vote
1answer
271 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. ...
0
votes
1answer
92 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 ...
1
vote
1answer
892 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 ...
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 - ...
1
vote
0answers
39 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
129 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
223 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 ...
0
votes
1answer
100 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). ...