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1answer
13 views

Apache process growing despite limiting MaxRequestsPerChild

Server Version: Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/1.0.1e-fips DAV/2 mod_bwlimited/1.4 PHP/5.4.27 mod_perl/2.0.6 Perl/v5.8.8 CENTOS 6.6 PHP handler - DSO The server is running with prefork ...
0
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0answers
13 views

squid reverse proxy using too much memory

I have a bunch of small vps set up for http caching in a bunch of edge locations using squid as a reverse proxy (varnish caused more issues and had worse performance). These vps have 1gb of ram and ...
-1
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3answers
59 views

free shows more memory used than top process total

UPDATE: This was being caused due to a known issue with nss-softkn. See this article: https://www.splyt.com/blog/2014-05-16-optimizing-aws-nss-softoken When I run free -m from my centos 6.5 box I ...
0
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0answers
12 views

Difference between ps_mem.py & free -m . Ubuntu server kills processes

Previously, I had a 4GB RAM server with Linode. Several times, I did "free -m" command to check available memory. I asked question here as well, but realized its more appropriate here. Most of the ...
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0answers
19 views

SvcHost of TermService service on Windows Server 2003 consumes high memory

We patch our servers monthly, and if there are no updates to install, then they still get rebooted. When the server is rebooted, after it boots, the TermService service running in a SvcHost.exe ...
4
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2answers
126 views

Server overloaded, acts like out of memory, but thats not true

I have a Centos 6.5 server, running QEMU-KVM virtualization: hardware: 40 CPUs 400 GB RAM software: Kernel: 2.6.32-431.17.1.el6.x86_64 Qemu: 0.12.1.2 Libvirt: 0.10.2 There are 3 guests, with ...
0
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0answers
40 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 : ...
1
vote
1answer
111 views

Apache Start Servers, Min/Max Spare Servers Ram Consumption Influence

I have a 1gb ram VPS. If I stop apache I have 400 mb ram free. So the max clients should be (total ram - used ram) / max_service_ram_consumption = 400 / 31. So MaxClients should be 13. These are the ...
1
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0answers
35 views

System-managed pagefile uses all available space, allocated physical memory unused

The problem: Something on our virtualized database server is using massive amounts of our pagefile. We noticed it about a week ago when the OS drive went from 30+GB of free space to around 500KB of ...
1
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0answers
39 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: ...
0
votes
2answers
86 views

Why does downloading a large file with wget seem to consume nearly all available RAM? [closed]

I am trying to download a file of 580MB with the following simple wget command: wget http://example.com/file.ext The server has 16 GB installed RAM of and during the entire download the memory ...
1
vote
1answer
29 views

Export memory consumption of a executable for multiple users over time on Server 2008

I have seen similar question by other users, but could not find a one related to an executable. Situation: Terminal server where 10-15 users log in and run applications. For this instance, we want to ...
0
votes
1answer
104 views

Too Many index.php processes with high memory usage

I have wordpress site installed over dedicated server in a separate cpanel account. From couple of days this account experiencing high memory usage, high loadtime and freezing frequently. so I have ...
1
vote
0answers
46 views

Why is my server using swap even though there is lots of RAM available? [duplicate]

My server has 24 cores, 16 GB RAM, and 8 SSDs on raid 0 (I think). I've noticed it is now using a low of swap space, even though there is plenty of RAM available. load average: 2.70, 2.54, 2.50 Mem: ...
0
votes
1answer
81 views

Samba server increasing the memory requeriments

I have a Samba server exporting a entire filesystem (fhgfs/beegfs filesystem), total amount of 550 TB. The specifications are the following: Scientific Linux 6.5 (2.6.32), 2xIntel Xeon X5570 8 (2.93 ...
0
votes
2answers
152 views

How do we find out what is causing high cache usage on our server?

Every Friday from about 22:00 our server starts using large amounts of cache and then dies about two hours later. Please look at the following Cacti graph. We tried hunting processes which use ...
0
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0answers
175 views

Actual minimum RAM usage of Windows 2012 Server + IIS + SQL Server 2014 Express + .NET application server

I currently have a physical server running Windows Server 2008 R2. I am planning to replace it with a cloud-hosted virtual machine running Windows Server 2012. The server needs IIS, SQL Server Express ...
0
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0answers
132 views

Strange memory usage behavior in GlusterFS machines

I'm running into a strange high memory usage problem in my environment. I have a two GlusteFS nodes that are serving 26 replicated volumes. Each morning, both servers will consume the majority of all ...
1
vote
2answers
497 views

Docker + Apache, how does memory usage work?

Let's say I have a docker host set up with 50 containers each running a site served by Apache. As I understand it each container will have an Apache instance running and typically each Apache ...
0
votes
1answer
116 views

KVM - Changing Memory of Guests Live

I have a KVM guest that I would like to dynamically change the memory allocation of. At the moment, to change the memory of the guest, I have to run: sudo virsh edit $GUEST_DOMAIN Then change the ...
0
votes
0answers
45 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 ...
1
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0answers
268 views

JVM process resident set size “equals” max heap size, not current heap size

After a few reading about jvm memory (here, here, here, others I forgot...), I am expecting the resident set size of my java process to be roughly equal to the current heap space capacity. That's not ...
1
vote
3answers
56 views

Debug unstable Apache server under Debian

Since yesterday my Apache server that runs on a Debian machine runs very unstable. Sometiems my websites load and sometimes not. I think it has to do with the memory since my Apache log is full of ...
0
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0answers
29 views

Memory monitoring with Win Server 2008 Performance Monitor

I'm trying to make report that uses Perfmon log files and all is great, but I'm little confused about Memory counters. I need two values: Total size of physical RAM installed on server (same value ...
0
votes
1answer
52 views

SSHFS mounts use too much memory

I have 21 SSHFS mounts from a Debian server to another one. The servers are on a 1Gbps LAN. When I mount these 21 FS, 675 MB of real memory (not buffer nor cache) are allocated on the server mounting ...
0
votes
1answer
75 views

Apache2 using up all my memory and stalling my wordpress instance (mysql)

Environment Ubuntu 12.04 / 1GB RAM / 40GB DISK / 1 CPU (RACKSPACE) Wordpress 3.9 mysql Ver 14.14 Distrib 5.5.38, for debian-linux-gnu (x86_64) using readline 6.2 Apache2 mod_php5 mod_rewrite When ...
0
votes
1answer
235 views

High memory usage windows 2008

I have a Windows server with 32 GB RAM, which is running sqlserver and tomcat. In resource monitor it show more than 95% memory usage, but when I searched in processes all process, each process is ...
2
votes
0answers
694 views

Reduce Gitlab memory footprint

I'm currently running both a Gitlab instance (v6.7.3) and a Ghost-powered personal blog on a DigitalOcean VPS with 512mb (lowest end), served by nginx. Until just recently I was unable to run both, ...
0
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0answers
98 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 ...
0
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0answers
117 views

PowerEdge R210 Memory Upgrade

I have a Dell PowerEdge R210 II running with 2GB of memory. I wanted to upgrade the memory to 10GB as I am running ESXi on the machine. I purchased an ECC RAM (2 x 4GB) which allows me to get the RAM ...
0
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0answers
51 views

spamass-milter and opendkim use tons of memory

I recently set up a mail server using postfix, dovecot, opendkim, spamassassin, and spamass-milter, and it works fine, but spamass-milter and opendkim are using lots of memory: Above: opendkim and ...
0
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0answers
92 views

Odd Suhosin memory alerts

I am getting a lot of odd suhosin alerts in my syslog. The following are example entries: Jun 9 08:46:11 suhosin[9764]: ALERT - script tried to increase memory_limit to 2145386496 bytes which is ...
0
votes
1answer
88 views

Server Memory with Magento

I have a cloud server with the following specifications: 2vCPUs 4G RAM 160GB Disk Space Network 400Mb/s System Image: Ubuntu 12.04 LTS I am only running Magento CE 1.7.0.2 on this server. Nothing ...
2
votes
1answer
210 views

Slow disks but lots of RAM - optimization tips?

I have a Windows Server 2012 with rather slow hard-drives BUT with a lot of RAM and I can't change that (it's an Amazon EC2 actually). What can I do to optimize performance? I have 16 GB of physical ...
2
votes
1answer
303 views

Apache 2.2 eventually using all memory (worker mpm)

I'm tuning up a Apache 2.2 server (it's shared with MySQL + Courier + Mongo + Postgre). The server is bare metal (no virtualizataion) with 2 quad-core Xeon (total 16 core) and 12GB ECC RAM (upgrading ...
0
votes
1answer
208 views

check a vps guest memory usage and CPU usage

I have vps guests that are managed by KVM and libvirt. Using virt-df, I am able to check the real disk usage of each vps guest. #virt-df [--options] -d domname Is there a similar utility tool to ...
1
vote
1answer
214 views

PostgreSQL v9.3.4 memory usage Issue on Windows Server 2008 R2

I have DB of size ~16GB Windows Server 2008 R2 (up to date). We moved from Postgres v9.2.4 to Postgres v9.3.4 and now Postgres v9.3.4 memory usage is growing until is takes all the windows physical ...
3
votes
1answer
52 views

how to determine who is using the slabs?

Is there any way to figure out who or what is allocating size-256 slabs, like in the slabtop output below? I had to reboot a server yesterday that had 5G out of 8G RAM in size-256 slabs and was ...
0
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0answers
28 views

Linux meminfo “Buffers” takes more than 10% total memory? [duplicate]

I noticed that meminfo - Buffers occupies significant amount of RAM on some servers in my work environment. I'd like to know what is exactly is "Buffers" and why it takes that much amount of RAM. ...
1
vote
0answers
106 views

Memory consumption of ASP.Net app

I'm migrating an existing ASP.Net (MVC3) application to a new server. The primary reason is to migrate to IIS 7.5/Windows 2008 while it's currently on IIS 6/Windows 2003. The new server has 8GB of ...
0
votes
1answer
170 views

memory maxed out, but top not showing processes using this memory

I have a server that has 2GB ram and is running on MediaTemple's DV managed server, which uses CentOS. The command free -m gives this following: total used free shared ...
0
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0answers
191 views

lsass.exe uses 2.4GB of memory when resolving a web page

I have a user who has been noticing slowdowns with his machine frequently. When investigating his system (Windows Server 2008 R2) processes, we saw that lsass.exe was using 2.4GB of memory. A reboot ...
1
vote
0answers
98 views

Monitoring and reporting on page faults to determine memory issues

I'm in the process of configuring a performance monitor(s) against all servers in my domain. I'm using WhatsUp Gold 16.2 to send an alert when we reach certain thresholds. I recently read an article ...
0
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0answers
46 views

Why would Memory\Available Bytes go down, even when Virtual Memory used is constant?

I have a long-running application that continually loops through video files. It runs for some hours, and then a message box appears along the lines of "The system is running low on memory...". I've ...
1
vote
1answer
50 views

Tracking memory problems

I'm experiencing some trouble with my Windows Server 2008. We're using it for hosting a bunch (~50) of Web GIS applications on IIS. This setup usually works very well, but when certain applications ...
0
votes
1answer
51 views

How to determine what memory was freed

We have a somewhat complex LAMP stack running a variety of websites using Litespeed instead of Apache on Centos 5. Once everything is up and running, the memory usage of the system is fairly ...
0
votes
1answer
82 views

Varnish Hangs Every 1-3 Days After Websocket Implementation

After implementing a varnish -> nginx -> nodejs websocket pipeline (previously we had been using iptables to port forward), we started experiencing a freeze in varnish every 1-3 days. Checking some of ...
1
vote
1answer
59 views

No buffers in memory. What it means?

This is a memory stats from my VPS (OpenVZ). $ free -m total used free shared buffers cached Mem: 800 405 394 0 0 405 -/+ ...
0
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0answers
42 views

Mysql large memory consumption

I have a server running under openvz. System is Debian 6.0, MySql server 5.5.31 installed from dotdeb.org repo. I have very strange problem. Mysql server settings not allow Mysql to get more than 1.7 ...
0
votes
1answer
3k views

Cannot start machine in Hyper-V - “Not Enough Memory in the system to start the virtual machine”

I have a Window 8.1 host trying to start a virtual machine through Hyper-V. The VM is configure to use 10GB of RAM, I have 16GB, it should start but it doesn't. Instead I get the message '{VM ...