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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 3216 discussions
Status	Discussion	Started by	Last post	Replies	Actions
	Local Access Problems. External Student Access Fine Locked	Laine Phillips 17 Sept 2009	Ken Gibson 17 Sept 2009	1
	Requirements for a scalable platform Locked	Gabriel Del Signore 16 Sept 2009	Visvanath Ratnaweera 19 Nov 2009	1
	Moodle on a SYNOLOGY Disk Station Locked	Stefan Wagner 5 Sept 2009	Visvanath Ratnaweera 6 Sept 2009	1
	Some trouble using JMeter to benchmark Moodle Locked	Aaron Smith 24 July 2009	Jordan Tomkinson 24 July 2009	1
	low performance Locked	Zahra E 19 July 2009	Howard Miller 19 July 2009	1
	install moodle with linux Locked	neama ageb 6 July 2009	Visvanath Ratnaweera 6 July 2009	1
	MySQL building a moodle temp table takes a long time Locked	kevin metcalf 4 July 2009	Taylor Judd 4 July 2009	1
	Apache memory handling: MaxMemFree Locked	Martín Langhoff 24 June 2009	Dan Poltawski 26 June 2009	1
	Moving to production Locked	Danny Yeshurun 22 June 2009	Visvanath Ratnaweera 22 June 2009	1
	Running both eAccelerator and memcached Locked	Luis de Vasconcelos 12 June 2009	Justin Haaga 12 June 2009	1
	1.9.4+ (almost 1.9.5) and performance - table mdl_user_info_data Locked	Elena Ivanova 9 June 2009	Taylor Judd 11 June 2009	1
	Sizing policy Locked	Irati Abio 8 June 2009	Howard Miller 8 June 2009	1
	Hardware Requirements for about 2000 simultaneous users Locked	yingqi liu 21 May 2009	Visvanath Ratnaweera 22 May 2009	1
	Upgrades Locked	Bill Meister 8 May 2009	Eric Hagley 8 May 2009	1
	How do you promote your Moodle? Locked	Chia-chun Hsu 4 May 2009	Jeff Forssell 11 May 2009	1
	Xcache for windows server 2003 Locked	Mohan V 27 Apr 2009	Visvanath Ratnaweera 28 Apr 2009	1
	Placement of custom php.ini within Moodle Locked	Jesus Padro 27 Mar 2009	Dakota Duff 27 Mar 2009	1
	Removing old user data Locked	Jamie Pratt 25 Mar 2009	Robert Brenstein 23 Apr 2009	1
	Server Admins: Spec Question Locked	Chai Nakpiban 25 Mar 2009	Visvanath Ratnaweera 29 Mar 2009	1
	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
	Use of memcached in 2.0 Locked	Ashley Holman 20 Feb 2009	Petr Skoda 20 Feb 2009	1
	Building clustered Moodle hosting environment how much Internet speed? Locked	Obidjon Yuldashev 13 Feb 2009	Henning Bostelmann 14 Feb 2009	1
	How to estimate Hardware Requirements Locked	ChanHan Hy 12 Feb 2009	Visvanath Ratnaweera 29 Mar 2009	1
	XML Error when logging to our development environment Locked	smrithi puli 29 Jan 2009	Tim Hunt 29 Jan 2009	1
	Test Load moodle Locked	Elio Wong 28 Jan 2009	Visvanath Ratnaweera 31 Jan 2009	1
	apache getting stuck Locked	vivin v 13 Jan 2009	Visvanath Ratnaweera 16 Jan 2009	1
	Dell PowerEdge M600 or Desktop running Ubuntu? Locked	Fahed Alrafidi 4 Dec 2008	Visvanath Ratnaweera 4 Dec 2008	1
	Slow response times for some + ICMP from Moodle? Locked	Phil Hopfner 15 Nov 2008	Phil Hopfner 25 Nov 2008	1
	Moodle Maintenance Locked	Kevin Gober 15 Nov 2008	Marc Grober 15 Nov 2008	1
	Browser hangs... Locked	Antonio Tonino 28 Oct 2008	ETH Zürich 2 Nov 2008	1
	Benchmarking MySQL for Moodle Locked	Manuel de la Torre 1 Sept 2008	Visvanath Ratnaweera 2 Sept 2008	1
	Multiple installations vs One installation Locked	portable jim 18 Aug 2008	Michael Penney 18 Aug 2008	1
	Great writeup on Linux disk tuning for DB servers... Locked	Martín Langhoff 4 Aug 2008	Lei Zhang 27 Aug 2008	1
	Dual Dual Xeon's or Dual Quad Harpertowns Locked	Todd Thornton 22 July 2008	Sojiro Sato 22 July 2008	1
	Performance of modle Locked	Jader Menezes 6 June 2008	Visvanath Ratnaweera 16 June 2008	1
	Slow Moodle in Virtual Environment Locked	Andrew Eickstead 16 May 2008	Jonathan Moore 17 May 2008	1
	specing servers and DMZ Locked	Matthew Hargraves 1 May 2008	Visvanath Ratnaweera 7 May 2008	1
	Virtual client/server testing Locked	M Adeel 24 Apr 2008	Visvanath Ratnaweera 1 May 2008	1
	How Moodle handles multiple users Locked	Tristan Deane 17 Apr 2008	Tim Hunt 18 Apr 2008	1
	Moodle in the Cloud Locked	Wilfred Wright 11 Apr 2008	Rene Folse 9 May 2008	1
	Long load time for moodle on server Locked	Omer Simanovsky 7 Apr 2008	Myles Carrick 8 Apr 2008	1
	Connection timed out Locked	tony deprato 5 Apr 2008	Norbert Berger 5 Apr 2008	1
	Quick quesion about enable performance info option in Server -> Debugging -> Performance info" Locked	Wen Hao Chuang 23 Feb 2008	Iñaki Arenaza 23 Feb 2008	1
	MOODLE muito Lento na minha CPU. Locked	Bruno Santos 13 Feb 2008	Wilker Melo 15 Feb 2008	1
	Moodledata at differennt server Locked	Mokrim Hassan 31 Jan 2008	Samuli Karevaara 31 Jan 2008	1
	Hosting Moodle on own computer Locked	Fred Frazelle 29 Jan 2008	Greg Hayden 30 Jan 2008	1
	CSS not being found on external access Locked	Steve Blakemore 9 Jan 2008	Paul Holden 22 Jan 2008	1
	Celeron D Server Locked	Ruban Jayathas 29 Nov 2007	Visvanath Ratnaweera 29 Nov 2007	1
	Index on user.username Locked	Peter Brunswick 22 Nov 2007	Ian Griffiths 30 Nov 2007	1
	Uploading PowerPoint documents Locked	Bridget Derham 14 Nov 2007	A. T. Wyatt 15 Nov 2007	1
	Moodle/MYSQL Performance... Locked	Jeffrey Peninger 6 Nov 2007	Jeffrey Peninger 7 Nov 2007	1
	What are the hardware requirements for 100 to 500 users? Locked	Fernanda Brizotti 16 Oct 2007	Matt Gibson 17 Oct 2007	1
	VPS Catch-22 Locked	Manish Verma 29 Sept 2007	Matt Gibson 9 Oct 2007	1
	MySQL Database Overloaded on Solaris 10 Locked	Mokrim Hassan 25 Sept 2007	Wen Hao Chuang 26 Sept 2007	1
	How to build a cluster. Locked	Greg Hayden 22 Sept 2007	Greg Hayden 27 Sept 2007	1
	Student Can't See Whole Quiz Locked	Jeremy Clegg 22 Sept 2007	Tim Hunt 22 Sept 2007	1
	Moodle pages on local computer open VERY slowly. Locked	Barry Williams 1 Sept 2007	Jez H 3 Sept 2007	1
	Setup New Moodle Server Locked	Sean Li 30 Aug 2007	Visvanath Ratnaweera 27 Nov 2007	1
	HTTP Regression Tester Locked	Jordan Zebor 18 Aug 2007	Visvanath Ratnaweera 3 Dec 2007	1
	Splitting Server Load Locked	Reynard Cobham 17 Aug 2007	Jai Gupta 19 Aug 2007	1
	Moodle site Hangs Up- "Could not find forum module!!" Locked	Todd Thornton 30 July 2007	Todd Thornton 30 July 2007	1
	How to make a custom php.ini Locked	Gautam Saha 1 July 2007	Just H 24 July 2007	1
	Page load optimisation article - multiple hostnames? Locked	Matt Gibson 14 June 2007	Pieterjan Heyse 14 June 2007	1
	Upgrade Performance Problems Locked	Paul Brown 31 May 2007	Steve Hyndman 31 May 2007	1
	Quiz module doesn't load Locked	Justin Dunsworth 17 May 2007	Howard Miller 19 May 2007	1
	Setup own webserver, open 2Mb dsl access for 1000 users Locked	Alex Ng 9 May 2007	Visvanath Ratnaweera 14 May 2007	1
	Login Problem with 30 students Locked	Tan Teck Hock 19 Apr 2007	Visvanath Ratnaweera 19 Apr 2007	1
	Performance for quizzes Locked	Julie Voce 18 Apr 2007	Visvanath Ratnaweera 18 Apr 2007	1
	Moodle Installation Information Locked	Tina Piper 5 Apr 2007	Tony Hursh 6 Apr 2007	1
	HA Cluster without a NAS and Moodle Locked	Eric Schewe 20 Mar 2007	Visvanath Ratnaweera 20 Mar 2007	1
	Hosting para Moodle Locked	Luis NL 15 Mar 2007	Luciano Rodriguez 15 Mar 2007	1
	database making course load very slow Locked	Nicola Bennett 5 Feb 2007	Ken Wilson 18 Feb 2007	1
	Connecting different servers Locked	Abhinav arya 23 Jan 2007	Visvanath Ratnaweera 25 Jan 2007	1
	FastCGI and PHP Locked	Mike Lott 17 Jan 2007	Maik Riecken 18 Jan 2007	1
	1.7 plus FastCGI PHP Locked	john kuti 7 Dec 2006	Rick Boyce 9 Dec 2006	1
	Recommendations for Moodle server hardware Locked	Dan Zimmerman 7 Dec 2006	Visvanath Ratnaweera 8 Dec 2006	1
	Moodle 1.7 and RedHat AS5 Locked	Viorel Tabara 2 Dec 2006	Jay Lee 2 Dec 2006	1
	Dual Core Xeon (Woodcrest) Locked	Todd Thornton 18 Nov 2006	Jay Lee 19 Nov 2006	1
	Storage sapce requirement Locked	Abhinav arya 30 Oct 2006	Visvanath Ratnaweera 8 Nov 2006	1
	Storage requirements per course? Locked	David Clark 10 Oct 2006	Randy Obert 10 Oct 2006	1
	Moodle Implementation/Feasibility Study Locked	Tina Piper 29 Sept 2006	Visvanath Ratnaweera 29 Sept 2006	1
	How to reduce the amount of memory that each httpd process takes? Locked	Samuli Karevaara 28 Sept 2006	Samuli Karevaara 18 Dec 2006	1
	Course Enrol Button Locked	David O'Brien 19 Sept 2006	Ken Wilson 21 Sept 2006	1
	Server Capacity? Locked	Fiona MacAlister 18 Sept 2006	Visvanath Ratnaweera 18 Sept 2006	1
	Forbidden... Locked	Clint Walters 16 Sept 2006	Clint Walters 16 Sept 2006	1
	Upload problems Locked	Mehmed Latifagic 12 Sept 2006	Iñaki Arenaza 12 Sept 2006	1
	Chat presence indicator Locked	Philippe Scott 9 Sept 2006	Dan Stowell 11 Sept 2006	1
	Overloading server due to Cron on LINUX Locked	K.James Mathai 30 Aug 2006	Dan Stowell 30 Aug 2006	1
	stats_daily is HUGE Locked	Michael Johnson 23 Aug 2006	Penny Leach 28 Aug 2006	1
	JDBC requests problem in Apache JMeter Locked	Noé Ortega Quijano 21 Aug 2006	Noé Ortega Quijano 24 Aug 2006	1
	Moodle Database Location Locked	Noé Ortega Quijano 9 Aug 2006	Tony Delahunty 9 Aug 2006	1
	Moving Moodle Directory Locked	Chris Felinski 4 Aug 2006	Steve Hyndman 4 Aug 2006	1
	Hosting Moodle myself vs. Paid Moodle Host Locked	Paul Chor 3 Aug 2006	Visvanath Ratnaweera 6 Aug 2006	1
	how much Bandwidth Moodle consume?? Locked	Christian Pazmino 3 Aug 2006	Randy Obert 4 Aug 2006	1
	File upload problem Locked	Jaganmohan Kataru 21 July 2006	Iñaki Arenaza 22 July 2006	1
	MySQL error Locked	Steven Geggie 19 July 2006	Ken Wilson 23 July 2006	1
	Variables page slow to load Locked	Mark Mills 17 July 2006	Mark Mills 18 July 2006	1
	Database issues Locked	Steven Geggie 15 July 2006	Steven Geggie 15 July 2006	1
	Moodle/Joomla Load Testing Locked	Graeme Batsman 11 July 2006	Brett Drinkwater 15 July 2006	1