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Issues related to computer hardware and Moodle's performance under load.

Documentation: Performance and Performance FAQ
Forum moderator: Howard Miller

Read this first!

This forum is for discussing issues related to computer hardware for Moodle, as well as comparing notes on Moodle's performance under load. Advice on finding an internet hosting service also belongs here.

Before posting your question here please read the documentation Performance and and Performance FAQ.

Many of the questions have already been answered. Please make use of the Advanced forum search and the Google custom search to find them.

If your questions still remain unanswered, post them here. Include as much background information as possible about your hardware - operating system, web server, database server, PHP scripting framework, etc. If your machine is virtualized, also mention the host hardware, operating system, virtualization technology used and resources assigned to the virtual machine. If you use a hosting service, mention either the hosting provider and the package or resources as advertised.

For general advice on how to ask questions, refer to the Moodle.org forums help. Also please observe our site policy.

Best wishes,
your moderator Howard.

List of discussions. Showing 100 of 3217 discussions
Status	Discussion	Started by	Last post	Replies	Actions
	cannot download php_apc.dll for windows server Locked	Mohan V 23 Apr 2009	Bobby Snow 20 May 2009	6
	Moodle on 64-bit machine - HP BL460 Locked	HJWUCGA INC. 12 May 2009	HJWUCGA INC. 12 May 2009	3
	seprating moodle servers from moodledata and mysql servers for large amount of users Locked	Zahra E 28 Dec 2008	Marc Grober 12 May 2009	11
	How to increase the size of the uploaded files Locked	Ishraga Allam 10 May 2009	Bryan Williams 11 May 2009	3
	How do you promote your Moodle? Locked	Chia-chun Hsu 4 May 2009	Jeff Forssell 11 May 2009	1
	Moodle.org server specifications Locked	Jordan Tomkinson 14 Jan 2009	Ebenezer Le Page 8 May 2009	18
	Upgrades Locked	Bill Meister 8 May 2009	Eric Hagley 8 May 2009	1
	Implications of using persistent connections Locked	Luis de Vasconcelos 8 May 2009	Luis de Vasconcelos 8 May 2009	0
	Some times files are not being uploaded.. getting bad page Locked	Miki Alliel 3 May 2009	Miki Alliel 3 May 2009	0
	THe best program for Video conferencing in MOODLE??? Locked	Tim Fanning 30 Apr 2009	Manuel Padilla Heredia 2 May 2009	3
	Server Requirements - help with holiday homework Locked	Simon Borgert 17 Apr 2009	Simon Borgert 28 Apr 2009	2
	Xcache for windows server 2003 Locked	Mohan V 27 Apr 2009	Visvanath Ratnaweera 28 Apr 2009	1
	Help with MySQL ini files Locked	Wayne Lee 20 Apr 2009	Tadeu do Carmo Alves 27 Apr 2009	7
	WYSIWYG gone in forum using Safari 4 Locked	Julian ter Huurne 20 Apr 2009	Jonathan Moore 23 Apr 2009	5
	Removing old user data Locked	Jamie Pratt 25 Mar 2009	Robert Brenstein 23 Apr 2009	1
	User peformance based on platform Locked	Tiffany Morgan 8 Apr 2009	Tiffany Morgan 16 Apr 2009	11
	Moodle Hosting, What do I need Locked	jonnym m 31 Mar 2009	E. L. Cooper 14 Apr 2009	14
	Course disk usage Locked	Sebastián Espinosa 3 Apr 2009	Elvedin Trnjanin 13 Apr 2009	14
	Is Moodle Enterprise Ready? Locked	David Mark Weiss 9 Apr 2009	David Mark Weiss 10 Apr 2009	6
	Desktop Requirements Locked	Chris Potter 9 Apr 2009	Chris Potter 9 Apr 2009	0
	General performance of file upload Locked	P P 5 Apr 2009	P P 5 Apr 2009	0
	What a "state of art" machine does Locked	Visvanath Ratnaweera 29 Mar 2009	Martín Langhoff 31 Mar 2009	8
	Chat - Server requirements Locked	Jeison Oliveira 31 Mar 2009	Jeison Oliveira 31 Mar 2009	0
	Server Requirements: 200 simultaneous users Locked	Rosalyn Metz 18 Mar 2009	Elvedin Trnjanin 31 Mar 2009	10
	How to estimate Hardware Requirements Locked	ChanHan Hy 12 Feb 2009	Visvanath Ratnaweera 29 Mar 2009	1
	Server Admins: Spec Question Locked	Chai Nakpiban 25 Mar 2009	Visvanath Ratnaweera 29 Mar 2009	1
	Placement of custom php.ini within Moodle Locked	Jesus Padro 27 Mar 2009	Dakota Duff 27 Mar 2009	1
	Sessions in Database problem with Adodb Locked	Taylor Judd 17 Sept 2008	Wen Hao Chuang 25 Mar 2009	19
	MySql Emergency!! Noobs in NEED!!!! Locked	Nina Kieninger 13 Mar 2009	Nina Kieninger 24 Mar 2009	6
	Tunning moodle+apache+mysql+php RHEL 5 Locked	Tadeu do Carmo Alves 9 Mar 2009	Tadeu do Carmo Alves 24 Mar 2009	15
	choosing operating system for large installations Locked	Obidjon Yuldashev 18 Mar 2009	Robert Brenstein 18 Mar 2009	2
	Windows 2000 Server migration to Linux Locked	Darin Bawden 12 May 2005	Martin Griffiths 18 Mar 2009	11
	Almost Done Locked	Shimron Trammell 8 Mar 2009	Gary Benner 17 Mar 2009	9
	Moodle for 50,000 users? (was Re: Moodle Hosting Sites) Locked	David Brightbill 11 Mar 2009	Robert Brenstein 17 Mar 2009	1
	moodle server very slow for me Locked	jayaraj mohan 14 Feb 2009	Tadeu do Carmo Alves 16 Mar 2009	4
	Concurrent Users Locked	Udit Sawhney 10 Mar 2009	Gary Anderson 15 Mar 2009	3
	Reqrired frontend and backend specification required for about 100,000 user Locked	neama ageb 12 Mar 2009	Visvanath Ratnaweera 15 Mar 2009	7
	Admin user logging into Moodle 1.9.4 behind a hardware load balancer Locked	Brad Marshall 3 Mar 2009	Brad Marshall 12 Mar 2009	5
	Concurrent Users Locked	Mark Berthelemy 7 May 2003	Robert Brenstein 12 Mar 2009	20
	Calendar's Performance Locked	Eugene Dest 9 Mar 2009	Eugene Dest 11 Mar 2009	3
	Real database Usage multiple moodle sites Locked	Shimron Trammell 9 Mar 2009	Shimron Trammell 10 Mar 2009	2
	cron job aborted by provider causes collateral damage Locked	Pieter van der Hijden 7 Mar 2009	Howard Miller 7 Mar 2009	1
	Maxiumum Simultaneous Users Locked	Alan Clegg 27 Feb 2009	Tim Hunt 2 Mar 2009	1
	Windows Install: XAMP or Regular Install Locked	Jasen Walker 25 Feb 2009	Jon Witts 26 Feb 2009	2
	Images missing after mod_gzip implimentation Locked	Steven O'Donnell 24 Feb 2009	Steven O'Donnell 25 Feb 2009	3
	Performance: I just call... Locked	Maik Riecken 28 Oct 2007	Petrus 4 21 Feb 2009	7
	A Proposal to Speed Up Moodle Sites Greatly Locked	N Hansen 9 Oct 2005	Ron Meske 21 Feb 2009	11
	Use of memcached in 2.0 Locked	Ashley Holman 20 Feb 2009	Petr Skoda 20 Feb 2009	1
	Restoring data files and work on Moodle Locked	DeLea Payne 19 Feb 2009	DeLea Payne 19 Feb 2009	0
	Persistent Moodle Live-DVD Locked	Max De Mendizábal 9 June 2008	kenneth wyrick 17 Feb 2009	3
	Building clustered Moodle hosting environment how much Internet speed? Locked	Obidjon Yuldashev 13 Feb 2009	Henning Bostelmann 14 Feb 2009	1
	XML page can not be displayed. Locked	Tawfiqul Bari 11 Feb 2009	Tim Hunt 12 Feb 2009	7
	Experiments in Performance Optimization Locked	Dakota Duff 10 Feb 2009	Dakota Duff 11 Feb 2009	4
	Slow Moodle Subwebs Locked	Roger Mepham 11 Feb 2009	Roger Mepham 11 Feb 2009	0
	Apache Performance Locked	Jon Witts 4 Feb 2009	Jon Witts 10 Feb 2009	11
	Apache crash Locked	Heather P 6 Feb 2009	Red Morris 10 Feb 2009	7
	hardware recommendations Locked	seth washeck 6 Feb 2009	Howard Miller 7 Feb 2009	3
	MySQL much faster that Postgres - is this true? Locked	Anthony Wright 29 Nov 2008	Fredrik Ndjurumana 6 Feb 2009	11
	Basic Newbie Question Locked	Richard MacLemale 20 Jan 2009	Tim Hunt 6 Feb 2009	8
	Windows XAMPP vs LAMP Locked	M Ghazaly Abdul Rahman 31 May 2005	HJWUCGA INC. 6 Feb 2009	7
	Apache crashes due to PHP memory error Locked	Jade Tippett 29 Jan 2009	Jade Tippett 5 Feb 2009	14
	Which modules does apache need Locked	Heather P 4 Feb 2009	Heather P 4 Feb 2009	0
	Help with settings for a beefy server Locked	Red Morris 13 Nov 2008	Red Morris 4 Feb 2009	5
	Mysql performance help Locked	cody ensanian 31 Jan 2009	Taylor Judd 4 Feb 2009	6
	Moodle benchmark test Locked	Sue Sottili 29 June 2004	sulochana sooriyaarachchi 3 Feb 2009	9
	Hosted Linux moodle vs local Windows 2003 server Locked	John Bonner 28 Jan 2009	John Bonner 3 Feb 2009	4
	Serious Performance Issues with 1.7 Locked	Mr. Marc 31 Jan 2009	Howard Miller 2 Feb 2009	6
	Test Load moodle Locked	Elio Wong 28 Jan 2009	Visvanath Ratnaweera 31 Jan 2009	1
	Serious Performance Issues Locked	Kent Villard 8 Jan 2009	Samuli Karevaara 30 Jan 2009	8
	Multiple Sites and data folders Locked	garth verity 8 May 2008	Mark Picker 30 Jan 2009	6
	XML Error when logging to our development environment Locked	smrithi puli 29 Jan 2009	Tim Hunt 29 Jan 2009	1
	Internal hosting versus external hosting Locked	John Skelton 27 Jan 2009	Tim Hunt 28 Jan 2009	4
	Windows Vista --Vs-- Windows XP Locked	Thomas Saccardi 28 Jan 2009	Thomas Saccardi 28 Jan 2009	0
	apache getting stuck Locked	vivin v 13 Jan 2009	Visvanath Ratnaweera 16 Jan 2009	1
	Migrating from Windows VM to Linux VM Locked	Scott Karren 8 Jan 2009	Visvanath Ratnaweera 16 Jan 2009	4
	Hardware Requirements of Moodle Locked	Antony Meyn 29 Mar 2008	Visvanath Ratnaweera 15 Jan 2009	23
	Post Data file for Apache Benchmark AB? Locked	Don Quixote 27 July 2004	sulochana sooriyaarachchi 10 Jan 2009	11
	A moodle setup for 10K simultaneous users Locked	Srujan K 4 Dec 2008	Elvedin Trnjanin 6 Jan 2009	7
	Random quiz performance problem? Locked	Per Bressendorff 3 Jan 2009	Per Bressendorff 3 Jan 2009	2
	List of instances where database is accessed Locked	Swapnil Thakre 28 Dec 2008	Swapnil Thakre 29 Dec 2008	2
	Moodle very very slow locks up..!! Locked	mike coutanche 21 Sept 2005	Elvedin Trnjanin 24 Dec 2008	5
	Moodle Connection Limitations Locked	Heena Khan 15 Dec 2008	Ann Adamcik 16 Dec 2008	2
	Moodle BSD ports performance? Locked	Kiril Ilarionov 23 Nov 2008	Kiril Ilarionov 15 Dec 2008	6
	Performance tuning tips for tuning a VM Locked	Scott Karren 12 Dec 2008	Scott Karren 12 Dec 2008	2
	Slow Performance Locked	Alex 09 4 Dec 2008	Alex 09 10 Dec 2008	2
	utf-8 and mysql Locked	Robert Collazo 6 Feb 2006	Martín Langhoff 9 Dec 2008	12
	Beginner Moodle User Locked	Patty Weigand 23 Sept 2008	Pamela DeRossitte 9 Dec 2008	6
	RAM requirements Locked	Alexandre G B 3 Dec 2008	riccardo capecchi 6 Dec 2008	6
	Dell PowerEdge M600 or Desktop running Ubuntu? Locked	Fahed Alrafidi 4 Dec 2008	Visvanath Ratnaweera 4 Dec 2008	1
	BUILD A SERVER FOR MOODLE, HOW TO? Locked	Đinh Lư Giang 26 Oct 2008	Don Hinkelman 29 Nov 2008	5
	Slow response times for some + ICMP from Moodle? Locked	Phil Hopfner 15 Nov 2008	Phil Hopfner 25 Nov 2008	1
	Tool for performance tests Locked	Stefan Prasse 18 Oct 2008	Stefan Prasse 23 Nov 2008	8
	Looking for moodle certificated for advice (paid) Locked	Ivan Gutierrez 21 Nov 2008	Valery Fremaux 22 Nov 2008	2
	MySQL gets itself into a Cluster Locked	Ray Lawrence 14 Apr 2004	Rahim Virani 21 Nov 2008	2
	Problem of booting after migrating server Locked	Rey Ong 19 Nov 2008	Rey Ong 19 Nov 2008	0
	Moodle Maintenance Locked	Kevin Gober 15 Nov 2008	Marc Grober 15 Nov 2008	1
	Performance problems and how we solved Locked	Jose' Coelho 4 Oct 2008	Jose' Coelho 14 Nov 2008	9
	An AMP tuning guide? Locked	Red Morris 31 Oct 2008	Red Morris 11 Nov 2008	2
	Moodle Cluster Apache crashes Locked	Thomas Haines 6 Nov 2008	Thomas Haines 11 Nov 2008	8
	VMWare: Any problems with ESX? Locked	Tim Nelson 13 Feb 2007	Taylor Judd 5 Nov 2008	7