The memory-usage tag has no wiki summary.
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server2003, hardware, memory
Dumb question ahead, because I'm pretty new to the gig:
I've taken over administration of a small business network (2 locations, 2 win2003 Servers, 1 win2003 test server, 30 PC's, 40 users, ...
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130 views
“Used” memory in top larger than the VmSize of all pocesses listed in /proc/?
It used to be my understanding that top's definition of memory "use" was the number of physical pages mapped to any processes. However, recently I saw something that made me think otherwise. I'd ...
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166 views
swap never used, system freezes with high HD action when RAM is short
My system freezes quite often when run out of memory, I have 2GB and using netbeans, chrome, firefox and a few other apps this is consumed completely. Seems to me since I upgraded to ubuntu natty.
...
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1answer
1k views
Linux not freeing large disk cache when memory demand goes up
Running Ubuntu on a 2.6.31-302 x86-64 kernel. The overall problem is that I have memory in the 'cached' category that keeps on going up and will not be freed or used even when our application needs ...
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2answers
1k views
How do make 64-bit Apache behave as 32-bit one?
My web host only provides 64-bit OS, but the 64-bit Apache webservers take too much memory and occasionally lead to thrashing, under not too much external load.
Is there any way to configure Apache ...
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3answers
107 views
How can I get knowledge about RAM usage by my webapplication?
I have a .Net web application. On one server there are several instances of this application in different versions. How should I know what amount or RAM maximally can consume one instance? How can I ...
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633 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, ...
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1answer
354 views
IIS6 - Classic ASP - “out of memory”/“out of string space”
We have a classic ASP application that's under significantly more load than usual.
We are from time to time been getting "out of memory" and "out of string space" in the httperr. We do not usually ...
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2answers
604 views
Perl script that will remotely ssh to linux and get memory status back to my machine
I need help. I have Linux box (openSUSE 11.4); writing Perl script (Perl 5, version 12).
My script should SSH to the remote Linux machine and get back with the memory results.
So far, I have SSH ...
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1answer
155 views
PHP virtual memory usage
On my local dev machine (Ubuntu 10.10) a web application seems to consume approximately 10Mb of memory (according to top). This is Apache2, pre fork, php5.3
On my server which is the same basic setup ...
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1answer
529 views
MySQL Memory usage
Our MySQL server seems to be using a lot of memory.
I've tried looking for slow queries and queries with no index and have halved the peak CPU usage and Apache memory usage but the MySQL memory stays ...
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2answers
153 views
Mystery process crashing machine by using all of the RAM - how to identify?
I have a Linux machine which runs ~10 in house written processes.
Every other day(!) the machine completely runs out of RAM, goes into swap and becomes unresponsive. This happens quickly over a ...
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144 views
CPU & Memory Usage Log & Performance
I want to have an idea of the amount of CPU and memory that is being used. I have a website hosted using IIS, and have clients connecting to it. I want to find out the amount of load that the CPU, RAM ...
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291 views
Excessive memory usage on a Go Daddy VPS
I have a Go Daddy Linux VPS, hosting a Java server and a few other things. Evidently we are running out of memory:
[user@xxx ~]$ free -m
total used free shared buffers cached
...
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1answer
195 views
VPS exceedingly slow, /proc/meminfo looks suspicious
A VPS I'm using has become unbearably slow. Over ssh, things like changing directories or opening small files take 5+ seconds to complete. The website hosted on it, however, performs with reasonable ...
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325 views
High memory utilization by sqlservr.exe process
Sub:High memory utilization by sqlservr.exe process.
When I look into task manager -->processes or by using perfmon memory counters(Sqlserver:memory manager:Target server memory and Total server ...
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1answer
355 views
IIS 7.5 application pool CPU configuration
I have a web application that when runs on windows 2008 r2 data center edition and when the server is configured with a single core processor consumes 13 mb ram, when configured to run on dual core ...
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1answer
658 views
Is it possible to list the files that are cached?
Here the output of free -m:
total used free shared buffers cached
Mem: 7188 6894 294 0 249 5945
-/+ buffers/cache: ...
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1answer
133 views
Tomcat memory allocation
I'm looking at my tomcat using jconsole and I'm trying to understand why the heap size varies between 0.4GB and 1GB.
I thought I told it to start at ~1GB and use no more than ~6GB.
Can anyone ...
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2k views
What does `Kbytes RSS Dirty` mean for pmap?
output of pmap:
Address Kbytes RSS Dirty Mode Mapping
00000000006b4000 60 16 16 rw--- [ anon ]
What's it saying ?
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2answers
449 views
bash script while true + sleep 24 hours + single command VS Cron
Is it a good practice to have a bash script in a VPS with the following skeleton:
#!/bin/bash
while true; do
/path/to/other-bash-script-that-does-stuff.sh
sleep 24h
done
This is to avoid ...
4
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2answers
710 views
VMware ESX virtual machine, Windows 2008 Server R2, memory full but process total nowhere near?
We have set up a TFS 2010 server on a Windows 2008 R2 server, and it has recently started to time out and give long operation timings.
When I log on to the machine I can see that task manager ...
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1answer
2k 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 ...
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1answer
31 views
What's the load like for a non-transparent proxy that would process about 300 requests a second?
Would this require a rather expensive proxy server to efficiently and quickly service all requests? Or could we pull this off with a server with about a gigabyte of memory? Thanks.
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3answers
919 views
Solaris 10: What does “Page cache” stand for in “echo ::memstat | mdb -k”
When running "echo ::memstat | mdb -k" I get this result:
Page Summary Pages MB %Tot
------------ ---------------- ---------------- ----
Kernel ...
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1answer
63 views
Virtual Server hitting memory resource limits?
I have an Ubunto 10 VPS with 768RAM running virtuozzo & plesk.
I host two basic wordpress blogs on it and the most visitors I've had to the site are 2000 for one day and 1200 for three days (incl ...
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2answers
741 views
ec2 memory usage
I set up a site on amazon ec2 free tier, which comes with 613MB memory with no swap.
I see server uses almost 100% of memory all the time. My site is running wordpress with wp super disk cache turned ...
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1answer
193 views
Will private dirty RSS used by mod_php ever be made available to other processes?
I've got PHP processes running that occasionally have to briefly use large amounts of RAM.
After PHP uses the large amount of RAM, the httpd process seems to keep the same private dirty RSS ...
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1answer
97 views
Watch multiple server Processor usage?
I am looking for a tool or easy way to watch the processor/memory usage on multiple Windows 2003 servers. We suspect an App is making it use 100% processor because of large memory usuage and want to ...
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2answers
202 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 ...
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1answer
91 views
Any technical reasons for avoiding GUI on 64-bit Windows Server 2008 R2?
I am new at setting up servers. I can see people reaching for console-only installations of web and SQL servers. I realize that low-quality graphics drivers and the simple fact that graphics driver ...
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1answer
159 views
Dedicated MySQL Server for Large Wordpress Site Memory Usage
Preface
We are currently using Rackspace Cloudsites to host a very large WordPress Membership Content site using WishListMember. This setup is kind of slow for the price we pay for it, as Rackspace's ...
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1answer
112 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 ...
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2answers
781 views
What is maximum memory supported for Microsoft SQL Server Standard Edition (64-bit)
I have Microsoft SQL Server Standard Edition (64-bit) running on Windows Server 2008 R2 Standard (64-bit) with 32GB RAM. It's only database server that runs on this machine.
Generally it works fine ...
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1answer
222 views
Committed memory jumped to 1.32TB (eAccellerator)
I have a server with 16GB, i7 and the likes. Just a while ago I tried to restart eAccellerator with faulty parameters and the Commited memory graph in munin jumped right off the screen to 1.32TB (Yes, ...
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3answers
3k views
How much memory per Apache connection?
Our client has a Ruby on Rails app that is mostly client-based (i.e, very little processing in controllers and views), with Apache and Passenger in the server stack.
We see each connection takes ...
2
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1answer
255 views
Hidden memory usage on my openvz vps
I'm on a openvz vps and I have memory thats unaccounted for. When I run free -m it says I have 156mb used out of a vps with 256mb. Cached is 0, buffers are 0, shared is 0. But when I run "ps -faux" ...
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212 views
How to make Apache server more memory intensive?
I have installed Apache 2.2 and it runs like a charm. The problem is, that system sometimes becomes slow on high load, or when a large number of simultaneous users access the same php file.
Going ...
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3answers
10k views
Something eats all memory (I suspect memory leak on some app). How to detect what?
I have server which runs liquidsoap+icecast bundle and simple website (httpd+mysqld). Nothing special. Visitors around 2000+ per day, with around 50 being online simultaneously on average.
Server has ...
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2answers
261 views
What can cause SQL Server's maximum memory setting to appear to change over time?
I started analyzing our SQL Server PerfMon logs in Excel, and discovered this.
Legend:
Red - SQL Server - Target Server Memory
Green - SQL Server - Total Server Memory
Blue - Available System Memory
...
5
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1answer
2k views
Apache memory usage optimization
Apache is using too much of my server memory causing it to crash. I have 4GB of RAM in the server.
I'm trying to fine tune Apache settings in order to improve it's performance but I'm quite new at ...
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1answer
167 views
DHeapmon not reporting expected number of total desktops in IIS6
Hope someone can help me make sense of this. I'm trying to debug some COM+ errors we see in our production environment and a few of them report that the desktop heap is exhausted, so I installed ...
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1answer
183 views
PHP out of memory error with but no line number given for the error
I've written a small survey app for a client, nothing particularly complicated, that asks some questions of a client and then records the answers in a database. It works perfectly on my computer, a ...
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2answers
246 views
missing memory in Windows Server 2003 x64
We have Oracle database running on a 64-bit Windows Server 2003 Enterprise Edition, with 32GB RAM.
The database has been configured to use 10gb for SGA (target = max = 10GB) and 5GB for cache. Upon ...
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2answers
114 views
Memory management in Apache+Perl
I have a web farm that uses Apache 2.2.15 and mod_perl-2.0.4. I need to know if there is a comparable perl module to Apache::GTopLimit for mod_perl-2.x.
I have searched Google and other sites, and ...
2
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1answer
246 views
Confusing RAM usage metrics on a Linux VPS
First of all, I know how Linux uses memory for disk caching (http://www.linuxatemyram.com/), but this seems to be something different.
First of all, I run htop. The total memory usage %s of all ...
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4answers
780 views
Fresh Debian Squeeze (6) Installation - Very High Ram Usage
We've got a new server provisioned, and are experiencing high ram usage, without information on the usage in either htop / top nor in a python memory script found ...
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3answers
1k views
Debian squeeze high memory usage?
I am quite new in the Linux / Server environment. I installed Debian Squeeze on vmWare Server to run LAMP. After I had the LAMP configured and running I decided to check on the memory usage of the ...
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2answers
84 views
What SQL server to use when limited on memory?
Currently working on a memory limited ubuntu box and wondering what SQL server to use?
I installed MySQL and it ate up A LOT of memory (almost all of it) but was able to reduce it a little bit.
...
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4answers
995 views
What spec machine is required for this virtualization requirement?
I want to configure a system for cross-browser testing of rich internet applications in browsers. My requirement is to have one system with 20-30 virtual machines (eg, with VirtualBox). There will be ...
