Questions tagged [low-memory]
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40 questions
4 votes
2 answers
911 views
Preventing user application from using all memory
We have Windows Server 2022 physical terminal servers, where users log in and run applications, including finite elements computations. Depending on what the users do, applications can consume all ...
- 1,843
0 votes
1 answer
147 views
Do I need more memory?
I am running a website from an AWS EC2 instance (potentially multiple via Elastic Beanstalk) which over the last 24 hours shows memory percentage used consistently at 60 percent baseline, climbing to ...
- 135
0 votes
1 answer
1k views
Where is my RAM? Memory leak?
I have a bunch of servers. It's a mix of baremetal, VMs. All running Ubuntu Bionic. This issue has been observed on both types. FYI, I have read similar questions and I've read the answers. I believe ...
1 vote
0 answers
718 views
Precipitous page allocation failures leading to system crash
We run a platform that uses Linux bridging to filter traffic and also logs that activity to a MySQL server. Occasionally we have an issue where the unit will experience very high latency, and leading ...
6 votes
1 answer
11k views
Why can't my Linux kernel reclaim its slab memory?
I have a system that suffered from ever-increasing memory usage until it hit the point where it was hitting swap even for mundane things and consequently becoming pretty unresponsive. The culprit ...
- 3,262
0 votes
1 answer
4k views
Why Linux free memory is not just the 'free' of '-/+ buffers/cache' [duplicate]
I learned and always think that linux free memory is the "free" of "-/+ buffers/cache" You can get this knowledge from lots of website. Meaning of the buffers/cache line in the output of free http://...
- 19
5 votes
1 answer
10k 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 ...
- 2,675
6 votes
3 answers
3k views
OOM invoked with plenty of free swap
I am running an ARM router with i2p and tor on it - a Netgear R7000. Of course I've added a full 512 MB of SWAP to it to prevent OOMs, understanding that it could slow down the system... But then I ...
- 234
0 votes
1 answer
674 views
Out of memory for Wordpress sites on cPanel Nginx Hybrid VPS
I have a cPanel Hybrid VPS below are the specs: CPU (16 Core Xeon) dedicated 4GB Guaranteed RAM (dedicated) 6GB Burstable RAM 1Gbps Port Speed Installed cPanel and NginxCP All sites on server using ...
- 11
4 votes
1 answer
11k 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
2 answers
2k 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 ...
- 101
5 votes
1 answer
6k views
Abnormal sendmail activity using up the server memory on my Ubuntu 12.04 server
Environment Rackspace Ubuntu 12.04 Wordpress MySql The issue I have been experiencing quite serious out-memory-issues in the last couple of days. While I resolved one possible cause the issue I ...
- 174
0 votes
1 answer
355 views
Rackspace Ubuntu 12.04 apache2 causing Out of memory
After less than 2 hours uptime, my Rackspace server (1CPU 1GB RAM 40GB) memory is used up by /usr/sbin/apache2 -k start which ends up killing my wordpress site. QUESTION 1: Why is this happening ...
- 174
4 votes
1 answer
4k 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 ...
- 3,427
1 vote
1 answer
2k views
Why Kernel Low memory zone is less then 896 MB?
In my system Lowmem of kernel (NORMALZONE) is 597424 kb length. As far as I learn, it should be about 890 MB at max. Why this system uses ~590 MB? Is it tunable? I a asking this because, I'am facing ...
- 708
2 votes
2 answers
14k views
apache2 hanging on "Sending Reply"/"Gracefully Finishing"
On my Ubuntu 10.04.4 server, apache2 2.2.14 eats up all the memory until there is no more left because it isn't shutting down old instances. The server serves a small webpage which gets about one ...
- 365
1 vote
0 answers
243 views
Windows Server 2008 Alerting to Low memory
I have a file and print server running on Windows 2008 R2 fully patched in a VSphere environment (ESXi 5.1 fully updated). Every evening between 19:20 and 19:30 our monitoring software reported that ...
- 1,790
0 votes
1 answer
400 views
Disk size and space detection
i'm running a server with debian stable : Linux myhostname 2.6.32-5-xen-amd64 #1 SMP Tue Mar 8 00:01:30 UTC 2011 x86_64 GNU/Linux It is running a nginx, mail server,ftp server and a mysql database. ...
0 votes
1 answer
566 views
what is occupying linux low memory
How can I find what is occupying my low memory on 32 bit Linux OS? cat /proc/meminfo |grep Low LowTotal: 812908 kB LowFree: 43340 kB Regards,
- 708
2 votes
2 answers
2k views
Lightweight NAS distro [closed]
I'm looking for a free + lightweight NAS distro that could run nicely on a low spec Icybox (see http://www.raidsonic.de/en/products/nas-systems.php?we_objectID=6853) Storlink3516, Arm9 300 Mhz 128mb ...
- 121
1 vote
1 answer
234 views
Plesk Uninstall Memory issue [closed]
I am trying to uninstall plesk from my VPS by running following command: yum remove sw-* psa-* plesk-* When I run this command I get following error: Running rpm_check_debug Running Transaction ...
- 513
19 votes
5 answers
7k views
Can you determine which Apache modules have been used and can be removed?
I, like many people, have a relatively out-of-the-box Apache installation with a lot of default "LoadModule" lines. Since the beginning, I've installed a lot of software, and to be honest, I don't ...
- 20.6k
1 vote
1 answer
202 views
How to make glassfish v3.1.1 run with -Xmx256m?
I have a t1.micro amazon instance and that machine have very scarce resources. I need for the moment to run glassfish3.1.1 (due to complete JEE6 support) on those conditions. Any guidance is welcome. ...
- 141
1 vote
1 answer
3k views
Why does my memory used (accounting for cache) does not correspond to my processes memory usage?
I am using Ubuntu 10.04 where a number of background jobs run every day. free and top both report that 3.9GB of the 4GB of memory is in use (of which ~90MB is cache/buffers). When I do a top of ps ...
- 257
0 votes
4 answers
2k views
Windows Server 2003 Not Recognizing Memory
I have a Dell Power Edge 1850, running Windows 2k3 x86. It has 4 GB of RAM (8 total sticks of 512MB, which I have tried re-seating, and completely replaced with new memory) however this is what I am ...
- 103
0 votes
2 answers
1k views
MySQL maxed out memory usage problem
I am currently ingesting millions of rows of data into a MySQL database. I am monitoring the server status locally on my machine using MySQL Workbench. The application is showing that the memory is ...
- 197
1 vote
4 answers
2k views
Apache out of memory on
I have a VPS with 768 MB RAM and a 1.13 GHZ processor. I run a php/mysql dating site and the performance is excellent and server load is generally very low. Sometimes I place ads on Facebook and at ...
- 293
1 vote
1 answer
1k views
SQLS Timeouts - High Reads in Profiler
I've audited a SQLS2008 server with Profiler for one day.. the overhead didn't seem to trouble this new client my company has. They are using a legacy VB6 application as a front-end. They're ...
- 113
1 vote
5 answers
442 views
Effect of 8 shutdown SQL Server instances on memory?
I've inherited a server that has 8 previously installed instances of SQL Server 2005 Developer Edition. The instance I am working with is SQL Server 2008 Express. All of the Developer Edition ...
- 183
43 votes
8 answers
55k views
Avoid linux out-of-memory application teardown
I'm finding that on occasion my Linux box runs out of memory and it starts tearing down random processes to deal with it. I'm curious what administrators do to avoid this? Is the only real ...
- 580
1 vote
1 answer
525 views
Does scheduling recycling app pool in IIS7 help the server conserve memory better?
I have a VPS (IIS7 with Win 2008) It's got: 40 websites and a SQL Server 2008 powering them with only 2 Gigs of RAM. None of the sites are mission critical, they are all just demos. I often have ram ...
- 383
4 votes
4 answers
2k views
Apache memory issues
So I'm sure this has probably been asked before, but I want to make sure that I'm getting the right info. I'm running a 360 Linode box with Debian 5 and Apache 2.2. I've compiled everything myself (...
- 699
1 vote
1 answer
3k views
How do I see what is allocated in my paged pool memory?
Here is a sample output of the !vm command in the kernel debugger of windbg.exe: *** Virtual Memory Usage *** Physical Memory: 259676 ( 1038704 Kb) Page File: \??\C:\pagefile.sys Current: ...
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0 votes
7 answers
1k views
Server uses too much memory and crashes server
I have a small home server with 256MB of memory. One of my sites just got linked up on Reddit, and since I've had two occurrences of the system using too much memory and crashing to the point where I ...
- 236
2 votes
4 answers
71k views
An I/O operation initiated by the Registry failed unrecoverably
Every 10 seconds or so, both our web servers (windows server 2003, running iis6), report the same errors in the event log. > Event Type: Error Event > Source: Application Popup Event > ...
- 143
2 votes
3 answers
1k views
Installing MYSQL on Windows Server 2003 - Low Memory Usage Mode
I'd like to setup MySQL on a Windows 2003 server. However, the server is already running SQL Server 2005 and I'd like to reserve most of the 4 GB of memory for that purpose. Is there some way to cap ...
- 1,133
0 votes
1 answer
823 views
centos VPS virtual memory problems diagnostics
I have a Centos VPS that seems to have a lot of memory problems. First my hardware: Processor Information Processor #1 Vendor: GenuineIntel Processor #1 Name: Intel(R) Xeon(R) CPU E5405 @ ...
- 126
4 votes
4 answers
236 views
Has anyone ever tried to provide a host with their own memory for a dedicated box?
I realize this is a crazy question, but has anyone ever tried to provide a host with their own memory for a dedicated box? I am running on an alright rig on ServerBeach but like any host, they are ...
- 207
9 votes
5 answers
39k views
Why does Red Hat Linux report less free memory on the system than is actually available?
I have a relatively small home Red Hat Linux server (about 8 GB RAM). I don't use it for much other than running some home grown apps to keep track of various things. The only real things running on ...
- 1,535
3 votes
5 answers
3k views
Optimizing resources for a low-RAM LAMP server running WordPress?
How to minimize memory usage on LAMP? Virtual dedicated server, max 512 RAM, 20 GB drive space, it should run a Wordpress blog. Not sure for load, but lets say 2-5k visitors per day.
- 2,324