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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
	Moodle 1.5.4. slowdown, repeating error Locked	Paul Nijbakker 8 Sept 2006	Paul Nijbakker 11 Sept 2006	2
	Turn Editing on for Course Categories very slow Locked	Clive Gould 6 Sept 2006	Clive Gould 16 Sept 2006	2
	Network/Internet Connection Lost after Dual Boot Rebuild Locked	Red Morris 5 Sept 2006	Henry Johnson 7 Sept 2006	6
	Script to test concurrent Moodle connections? Locked	Atanas Radenski 4 Sept 2006	Martín Langhoff 4 Sept 2006	3
	Overloading server due to Cron on LINUX Locked	K.James Mathai 30 Aug 2006	Dan Stowell 30 Aug 2006	1
	Apache performance issues Locked	tim harrison 29 Aug 2006	tim harrison 1 Sept 2006	6
	Pros and cons of different architectures Locked	Tim Thomas 28 Aug 2006	Brett Drinkwater 1 Sept 2006	11
	file.php Locked	Nahum Silva 26 Aug 2006	Nahum Silva 26 Aug 2006	0
	Moodle becomes inaccessible overnight Locked	Heather P 25 Aug 2006	Heather P 10 Oct 2006	9
	Linux vs Windows 2003 Locked	Red Morris 25 Aug 2006	Visvanath Ratnaweera 1 July 2007	26
	server refuses connection Locked	Dr S Bhatia 25 Aug 2006	ahmad nazrin 29 July 2009	9
	some suggestions about server specs, please Locked	Gao Jun 25 Aug 2006	Gao Jun 25 Aug 2006	2
	php Accelerator (APC) help needed Locked	Henry Johnson 25 Aug 2006	Myles Carrick 27 Aug 2006	11
	Memory limit Locked	Jiri Zajic 25 Aug 2006	Iñaki Arenaza 31 Aug 2006	3
	Dedicated Server or Linux Locked	Cindy Fajardo 24 Aug 2006	Richie Foreman 24 Aug 2006	4
	stats_daily is HUGE Locked	Michael Johnson 23 Aug 2006	Penny Leach 28 Aug 2006	1
	How to edit MYSQL variables Locked	fouzia imran 22 Aug 2006	Lewis Carr 6 Oct 2008	14
	How much load can a single LAMP server take? Locked	Anthony Borrow 22 Aug 2006	Anthony Borrow 23 Aug 2006	3
	JDBC requests problem in Apache JMeter Locked	Noé Ortega Quijano 21 Aug 2006	Noé Ortega Quijano 24 Aug 2006	1
	Apache keeps falling over Locked	Alistair Campbell 16 Aug 2006	Ken Wilson 17 Aug 2006	5
	The 'Web Address' does not appear to be valid - this Moodle installation doesn't appear to be ... Locked	Chris Hussey 14 Aug 2006	Rick Boyce 1 Sept 2006	2
	what response time should I expect from a host? Locked	Jocelyn Graf 14 Aug 2006	Samuli Karevaara 15 Aug 2006	2
	Automated mysql backup using cpanel and php script Locked	Jason Hando 14 Aug 2006	Jan Dierckx 25 Aug 2006	2
	Installing Moodle 1.6 to ipowerweb. A little assistance please. Locked	Xavier Johnson 11 Aug 2006	Patrick Dierschke 12 Sept 2006	8
	Moodle Database Location Locked	Noé Ortega Quijano 9 Aug 2006	Tony Delahunty 9 Aug 2006	1
	Can PC class machine support 250 concurrent users? Locked	fouzia imran 9 Aug 2006	Iñaki Arenaza 25 Aug 2006	22
	Count hits on my MOODLE site Locked	fouzia imran 9 Aug 2006	Heather P 24 Aug 2006	4
	Changing Hosting Locked	Rafa Chávez Ortega 9 Aug 2006	Randy Obert 9 Aug 2006	3
	need a script to auto restart the Apache services Locked	fouzia imran 4 Aug 2006	fouzia imran 9 Aug 2006	7
	Moving Moodle Directory Locked	Chris Felinski 4 Aug 2006	Steve Hyndman 4 Aug 2006	1
	New to Moodle - Kind of Lost Locked	T.C. Chappelear 4 Aug 2006	Richie Foreman 6 Aug 2006	3
	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
	Capacity Locked	Alison Wright 1 Aug 2006	Tom Ceresini 3 Aug 2006	6
	Exceeding 50,000 SQL querries per hour Locked	Andrew Palmer 28 July 2006	Visvanath Ratnaweera 31 July 2006	3
	File upload problem Locked	Jaganmohan Kataru 21 July 2006	Iñaki Arenaza 22 July 2006	1
	Need a good MySQL / Moodle consultant Locked	Steven Geggie 19 July 2006	Thomas Haynes 20 July 2006	3
	MySQL error Locked	Steven Geggie 19 July 2006	Ken Wilson 23 July 2006	1
	Moodle Performance Locked	Eugene Yap 19 July 2006	Kenny Backus 26 July 2006	7
	TCP Load Balancing Questions Locked	Richie Foreman 18 July 2006	Rory Allford 4 Aug 2006	12
	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 server for sale Locked	Dave Bethany 13 July 2006	Charlie Wilson 21 July 2006	11
	Moodle/Joomla Load Testing Locked	Graeme Batsman 11 July 2006	Brett Drinkwater 15 July 2006	1
	Halt on Login - Return blank page Locked	A. H. 10 July 2006	Iñaki Arenaza 8 Aug 2006	16
	file permissions in moodle 1.6 Locked	Ed McLafferty 10 July 2006	Ed McLafferty 23 Aug 2006	6
	Moodle Server: unnecesary daemons Locked	Noé Ortega Quijano 7 July 2006	Maik Riecken 9 July 2006	1
	Optimize Server Performance Locked	Edwin Klein 6 July 2006	Rory Allford 7 July 2006	7
	Upgrading to 1.6 and may need to switch to PostgreSQL Locked	Andrew Steele 5 July 2006	Dan Marsden 13 Jan 2011	19
	php accelerator Locked	Genner Cerna 4 July 2006	Anthony Borrow 11 Aug 2006	19
	SUBSTANTIAL speed improvement by enabling compression Locked	Gary Anderson 4 July 2006	N Hansen 5 July 2006	4
	how to close database and everything?... Locked	cody ensanian 4 July 2006	Randy Obert 4 July 2006	1
	Performance: zip, unzip and du beginner query Locked	Jenny Toller 30 June 2006	Helio Rocha 10 July 2006	3
	Moodle 1.6 - which distribution of Linux Locked	giacomo gensini 29 June 2006	Dave Ray 2 July 2006	22
	Problems with moodledata file permissions Locked	Julio Alberto Otero Cabero 29 June 2006	Julio Alberto Otero Cabero 4 July 2006	5
	PHP 5.0.4 or PHP 4.4 for Moodle 1.6 Locked	Carl Keil 28 June 2006	Ken Wilson 16 Aug 2006	6
	apache crash no clue why??? Locked	Charlie Wilson 27 June 2006	Charlie Wilson 3 July 2006	6
	NO-IP And Apache integration Locked	Charlie Wilson 26 June 2006	Charlie Wilson 13 July 2006	8
	Disk space of one profile Locked	Timo Kozlowski 26 June 2006	Timo Kozlowski 26 June 2006	0
	Installation for 150.000 users Locked	Cristi Ionescu 26 June 2006	Cristi Ionescu 26 June 2006	0
	Distributed Moodle Deployment \| Possible? Locked	Amarjeet Singh 25 June 2006	Amarjeet Singh 25 June 2006	0
	Hosting Using 1&1 Uk Version Locked	Ed Huntsman 22 June 2006	David Brighton 27 July 2006	7
	Server Reccomendation Locked	Ed Huntsman 18 June 2006	Dayron D 27 June 2006	11
	High End Moodle Solution Locked	Ritesh Satia 16 June 2006	Ritesh Satia 19 June 2006	2
	ISP has deleted moodle but not my database Locked	Jody Byrne 16 June 2006	Worth Bishop 16 June 2006	1
	Up to 200.000 potential students Locked	Équipe TICEA 14 June 2006	Équipe TICEA 30 June 2006	8
	Software on moodle? Locked	Richard Whitehouse 13 June 2006	Dan Marsden 14 June 2006	1
	Cron load issue Locked	Randy Obert 12 June 2006	Randy Obert 13 June 2006	6
	What do I need in a host? Locked	Deborah Van Horn 7 June 2006	Michael Penney 25 Aug 2006	6
	Environment for 1.6 Locked	Dan Poltawski 7 June 2006	James Dugal 7 June 2006	1
	POP3 for students - How do you do it? Locked	Aidan Hammond 5 June 2006	Iñaki Arenaza 6 June 2006	3
	Upgrading MySql -- Many problems :( Locked	Đinh Lư Giang 1 June 2006	Đinh Lư Giang 1 June 2006	0
	Upgrading MySql -- What are my chances for problems? Locked	Steve Hyndman 31 May 2006	Steve Hyndman 31 May 2006	4
	Moving from Dev to QA to Production Servers - Problems! Locked	Todd Cranston-Cuebas 25 May 2006	Todd Cranston-Cuebas 26 May 2006	3
	Slow Locked	Rick Knowles 24 May 2006	Michael Penney 25 May 2006	4
	How to set up the moodle to improve the download speed or make it can be used by Cache Server Locked	frank shen 24 May 2006	frank shen 25 May 2006	5
	how to host Locked	Marc Wells 24 May 2006	Visvanath Ratnaweera 26 May 2006	1
	Does anyone know why apache keeps restarting itself? Locked	kathy hooper 23 May 2006	kathy hooper 24 May 2006	3
	Moodle Server Trouble Locked	Liam Clayton 21 May 2006	J B 26 May 2006	2
	Stress test / benchmark chat module the SNMP way? Locked	Wen Hao Chuang 20 May 2006	Ross Foard 13 July 2006	5
	Server Recommendations Locked	Colin Napier 19 May 2006	Brett Drinkwater 27 May 2006	2
	Advice on New Moodle Setup... Locked	Aidan Hammond 19 May 2006	Doris Johnson 22 Feb 2010	6
	It works!: - Single Signon withTypo3 to Moodle Locked	Jens Gammelgaard 18 May 2006	Jens Gammelgaard 18 May 2006	0
	Enabling RSS feeds and server load Locked	Cristian Alvarado 18 May 2006	Carl Jones 8 June 2006	2
	How-To Make a MySQL index for optimize moodle?? Locked	Daniel Vazart 16 May 2006	Daniel Vazart 16 May 2006	0
	Tecnical resources for optimal performance Locked	Omar Dhaher 14 May 2006	Omar Dhaher 14 May 2006	0
	Firts Steps in Moodle and Solution for 200 concurrent users Locked	Duarte Silvestre 13 May 2006	Rory Allford 16 May 2006	13
	Changing Server Hardware Locked	M Y 13 May 2006	Iñaki Arenaza 24 May 2006	1
	Moodle for Windows on a USB Stick Locked	Brett Drinkwater 12 May 2006	ben reynolds 29 July 2010	37
	HEY HEY HEY,PROBLEMS WITH HARDWARE SERVER Locked	mark lemans 12 May 2006	mark lemans 12 May 2006	0
	Your opinion about this server configuration / 200 or 300 users Locked	Susana Willemoës 10 May 2006	Visvanath Ratnaweera 14 May 2006	2
	Stress test Locked	Toni Mas 8 May 2006	Richie Foreman 11 May 2006	6
	Sony SDT-5200 Tape Drive - Help Locked	M Y 6 May 2006	M Y 6 May 2006	5
	Moodle in Fedora Locked	Junjie Gono 6 May 2006	Visvanath Ratnaweera 6 May 2006	1
	Sony SDT-5200 Tape Drive Error Locked	M Y 6 May 2006	M Y 7 May 2006	3
	Server specs. question for Moodle migration (will this fit our requirements?) Locked	Lindsay John 4 May 2006	Arnor Kristjansson 15 Oct 2006	5
	setting up websharing on Mac OS X 10.3 Server for moodle Locked	LPS lps 4 May 2006	Klaus Schramm 24 May 2006	1
	What server? Locked	Toni Mas 3 May 2006	Visvanath Ratnaweera 3 May 2006	2
	Does the MOODLE build on the web service ? Locked	Ahmed Ibrahim 2 May 2006	Ahmed Ibrahim 2 May 2006	0
	Student Having Odd Problem with Course Page Access Locked	N Hansen 30 Apr 2006	Lesli Smith 13 May 2006	6