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

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2
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0answers
28 views

SQL Server without memory reservation completely hangs

We are currently experiencing failures on our SQL Server machines. It appears that once a server on the same (VMWare) host as our SQL Servers starts a maintenance procedure. The SQL Servers will ...
0
votes
1answer
20 views

Why is apache (httpd processes) using swap space?

Here is the output from top. I don't understand why the httpd processes are using swap space. top - 13:49:45 up 28 days, 2:11, 4 users, load average: 1.31, 1.32, 1.20 Tasks: 262 total, 1 ...
1
vote
1answer
26 views

Estimate RAM necessary for a process on Linux

I am a user of a Linux-based computing cluster that runs a task queuing system PBSPro. PBSPro likes to know how much RAM should be available for a task to make sure it will execute correctly; for ...
0
votes
0answers
10 views

Linux “free” command gives different answer than AWS Memory Metric [duplicate]

When I run a "free -om" on our Linux server (hosted on Amazon), the total available is 7,483 MB and the used is 7,125 MB for a 95% usage. But the Amazon MemoryUtilization statistic shows 73%. Why the ...
0
votes
0answers
27 views

My wordpress/MYSQL is consumming way too much memory, how do i act on it?

I have a Ubuntu server running apache + mysql + PHP +postgres + passenger Mysql is often crashing, putting wordpress out of service. I asked the question here : Wordpress + PHP+ apache +mysql, mysql ...
0
votes
0answers
22 views

What's the Suitable Azure Tier Plan For This Web App Usage And Reads [duplicate]

I have an azure web app Used for web API (restful) purpose. I use Azure as the cloud for this mission. i want to know that what is the suitable plan tier to choose with this Usage as following: I ...
0
votes
1answer
10 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 ...
-2
votes
2answers
51 views

Java process stay in running state and consume CPU

I have a jar running in background on a Ubuntu server. In a certain moment, the application start consumming too much CPU (400%) and 4 child process stay in R state: N.B: the problem is ...
0
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0answers
25 views

IIS Websites running out of memory

I have a server that is hosted by the parent company as of recently. This server is running two websites. One is a memory hog, the other is much smaller in scale. We had a situation today where the ...
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 ...
1
vote
2answers
60 views

Will Linux/Ubuntu running in an LXC container understand cgroup memory limits?

I'm planning to rent a physical server and run MySQL inside an LXC container on that server. I'd like to control maximum memory usage for the MySQL instance using cgroup limits : ...
0
votes
0answers
86 views

Cannot allocate memory problems - update-notifier-common

I'm running a Ubuntu 14.04.3 server on a Digitalocean droplet with 1GB RAM. I'm getting weird memory allocation errors, even though I have plenty of memory available. I started noticing this from the ...
-1
votes
1answer
35 views

Predict: fork: Cannot allocate memory

Using many bash parallel processes: process1 & ... process30 & Doing multiple git operations within each process randomly will produce: fork: Cannot allocate memory The system is CentOS ...
0
votes
1answer
35 views

Stop numproc exceeding the limit

We are running magento on VPS, which is facing a Numproc issue. According to our hosting provider, our server is exceeding the limit of numproc "400" & memory usage is also high. Because of this ...
0
votes
1answer
20 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
1answer
28 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
63 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
16 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
66 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
22 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
87 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
39 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
48 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
32 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
28 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
354 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
39 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
41 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
39 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
144 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
55 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
61 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 ...
2
votes
0answers
116 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
123 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
279 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
14 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
88 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
45 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 ...
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: ...
2
votes
0answers
404 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
154 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
147 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
239 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
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 ...
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 ...