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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
	Experiences with more than 100 students using Moodle Locked	David Delgado 24 Aug 2003	David Delgado 24 Aug 2003	0
	Word dokuments Locked	Patrik Nilsson 4 Sept 2003	Patrik Nilsson 4 Sept 2003	0
	forbin.ics.hawaii.edu Locked	Chris U 12 Sept 2003	Chris U 12 Sept 2003	0
	Strange Time stamp behavior - a bug? Locked	Lars Jensen 4 Oct 2003	Lars Jensen 4 Oct 2003	0
	PHP optimization HOWTO Locked	David Delgado 5 Dec 2003	David Delgado 5 Dec 2003	0
	CVS client Locked	William Minto 5 Feb 2004	William Minto 5 Feb 2004	0
	Performance experiences Locked	chris snow 18 Feb 2004	chris snow 18 Feb 2004	0
	How to use mediaplugin Locked	Patt Emmawat 24 Mar 2004	Patt Emmawat 24 Mar 2004	0
	opensourcehost.com Locked	N Hansen 25 Mar 2004	N Hansen 25 Mar 2004	0
	Running Slow Locked	Thomas Bray 2 Apr 2004	Thomas Bray 2 Apr 2004	0
	Connection Close versus Keep_Alive? Locked	Sarah King 4 Apr 2004	Sarah King 4 Apr 2004	0
	Secure Mode (a new kind of safe mode) Locked	Jenny Toller 10 May 2004	Jenny Toller 10 May 2004	0
	apache & mySQL using different hosting Locked	azman sahari 14 May 2004	azman sahari 14 May 2004	0
	What is the meaning of these findinds on "dbperformance.php " page?? Locked	W Page 1 June 2004	W Page 1 June 2004	0
	error URI too long longer than 8190 Locked	Genner Cerna 12 June 2004	Genner Cerna 12 June 2004	0
	Simply Storage and Bandwidth - no more services Locked	CAlex Fagundes 10 July 2004	CAlex Fagundes 10 July 2004	0
	Question about too many queries? Locked	Marc Dastous 10 Sept 2004	Marc Dastous 10 Sept 2004	0
	authenticate on mssql server Locked	Harry Westfahl Jr. 10 Sept 2004	Harry Westfahl Jr. 10 Sept 2004	0
	secure forms Locked	ping chuan tan 20 Sept 2004	ping chuan tan 20 Sept 2004	0
	Server Bogging. Locked	Loren Winfrey 24 Sept 2004	Loren Winfrey 24 Sept 2004	0
	Moving to a new web hostres Locked	Julian Whitehead 17 Nov 2004	Julian Whitehead 17 Nov 2004	0
	Beware of index.php file in english pack... Locked	Rich Four 18 Nov 2004	Rich Four 18 Nov 2004	0
	PHP accelerator on Novell Locked	Michele Balazs 24 Jan 2005	Michele Balazs 24 Jan 2005	0
	Using Cron on Netware 6.5 Locked	Richard Griffin 5 Feb 2005	Richard Griffin 5 Feb 2005	0
	Config.php and various subnets Locked	Jose Mª alconchel 6 Apr 2005	Jose Mª alconchel 6 Apr 2005	0
	Performance fix for language menu Locked	Martín Langhoff 11 Apr 2005	Martín Langhoff 11 Apr 2005	0
	Indexing and Moodle Locked	Larry Shield 21 June 2005	Larry Shield 21 June 2005	0
	Moodle on HP-UX Locked	Richard Henriques 21 June 2005	Richard Henriques 21 June 2005	0
	Fatal error: Maximum execution time of 60 seconds in filter.php Locked	cecilia dal bon 12 July 2005	cecilia dal bon 12 July 2005	0
	Obtaining Max simultaneous connections Locked	Mathieu THIBAULT 15 July 2005	Mathieu THIBAULT 15 July 2005	0
	cron error Locked	Evelien Fick 23 July 2005	Evelien Fick 23 July 2005	0
	winnt_accept: Asynchronous AcceptEx failed. Locked	Dicky Sugita 27 July 2005	Dicky Sugita 27 July 2005	0
	Uploaded files problem in intranet. Locked	W. Purnomo 29 July 2005	W. Purnomo 29 July 2005	0
	Performance problem due to mdl_cache_text table? Locked	Etan Lightstone 6 Aug 2005	Etan Lightstone 6 Aug 2005	0
	Problems after upgraded to php 4.4 Locked	Help Hypersonic 11 Aug 2005	Help Hypersonic 11 Aug 2005	0
	Performance with > one admin user logged in Locked	Charlie Lindahl 28 Aug 2005	Charlie Lindahl 28 Aug 2005	0
	about course quota limit Locked	shen yiching 31 Aug 2005	shen yiching 31 Aug 2005	0
	Apache crash -- malloc: incorrect checksum for freed object -- locks up server and kills moodle Locked	Barron Koralesky 10 Sept 2005	Barron Koralesky 10 Sept 2005	0
	does "$CFG->dbpersist = false;" override "msql.allow_persistent = On" Locked	Barron Koralesky 15 Sept 2005	Barron Koralesky 15 Sept 2005	0
	Slow A ctivities and Blocks Locked	Mark Davies 22 Sept 2005	Mark Davies 22 Sept 2005	0
	Adding label freezes the server Locked	Xiaoming Zeng 5 Oct 2005	Xiaoming Zeng 5 Oct 2005	0
	httpd process size Locked	lee asson 7 Oct 2005	lee asson 7 Oct 2005	0
	Invitation to join my Moodle community Locked	Ed Borasky 16 Oct 2005	Ed Borasky 16 Oct 2005	0
	Hosted Server Failed Locked	john attwood 18 Nov 2005	john attwood 18 Nov 2005	0
	mysql_connect() or mysql_pconnect() for quiz module only Locked	EL Aprendiz 25 Nov 2005	EL Aprendiz 25 Nov 2005	0
	Grade problem Locked	Magsarjav Terbish 5 Jan 2006	Magsarjav Terbish 5 Jan 2006	0
	Resource URLs Locked	Tim Howarth 10 Jan 2006	Tim Howarth 10 Jan 2006	0
	Help!!!!!! Locked	Daymy Tamayo 28 Jan 2006	Daymy Tamayo 28 Jan 2006	0
	email SMTP another port Locked	Yves Dufour 23 Feb 2006	Yves Dufour 23 Feb 2006	0
	New to Moodle - Server Setup Question Locked	Matthew Previts 23 Feb 2006	Matthew Previts 23 Feb 2006	0
	Help - Know of Any Server-Hosted Sites Available? Locked	Victoria Barney 1 Mar 2006	Victoria Barney 1 Mar 2006	0
	Problem with performance when i use chat Locked	Javier Lázaro 10 Mar 2006	Javier Lázaro 10 Mar 2006	0
	moodle 1.6 and MySQL 4.1.16 Locked	sajad khadem nejad 8 Apr 2006	sajad khadem nejad 8 Apr 2006	0
	Way to upload file when SAFE MODE Restriction in effect Locked	Trizit Benjaboonyazit 16 Apr 2006	Trizit Benjaboonyazit 16 Apr 2006	0
	problem with LMSInitialize Locked	palak suneja 25 Apr 2006	palak suneja 25 Apr 2006	0
	Does the MOODLE build on the web service ? Locked	Ahmed Ibrahim 2 May 2006	Ahmed Ibrahim 2 May 2006	0
	HEY HEY HEY,PROBLEMS WITH HARDWARE SERVER Locked	mark lemans 12 May 2006	mark lemans 12 May 2006	0
	Tecnical resources for optimal performance Locked	Omar Dhaher 14 May 2006	Omar Dhaher 14 May 2006	0
	How-To Make a MySQL index for optimize moodle?? Locked	Daniel Vazart 16 May 2006	Daniel Vazart 16 May 2006	0
	It works!: - Single Signon withTypo3 to Moodle Locked	Jens Gammelgaard 18 May 2006	Jens Gammelgaard 18 May 2006	0
	Upgrading MySql -- Many problems :( Locked	Đinh Lư Giang 1 June 2006	Đinh Lư Giang 1 June 2006	0
	Distributed Moodle Deployment \| Possible? Locked	Amarjeet Singh 25 June 2006	Amarjeet Singh 25 June 2006	0
	Installation for 150.000 users Locked	Cristi Ionescu 26 June 2006	Cristi Ionescu 26 June 2006	0
	Disk space of one profile Locked	Timo Kozlowski 26 June 2006	Timo Kozlowski 26 June 2006	0
	file.php Locked	Nahum Silva 26 Aug 2006	Nahum Silva 26 Aug 2006	0
	apache crashing on standard Moodle.org XAMPP distribution Locked	Gary Anderson 12 Sept 2006	Gary Anderson 12 Sept 2006	0
	Cron error in Apache logs Locked	Philip Edwards 25 Sept 2006	Philip Edwards 25 Sept 2006	0
	High availability on moodle Locked	Visvanath Ratnaweera 15 Oct 2006	Visvanath Ratnaweera 15 Oct 2006	0
	IBM Hardware Locked	Martin Dougiamas 9 Nov 2006	Martin Dougiamas 9 Nov 2006	0
	Main Upgrade failed! See lib/db/upgrade.php Locked	kathy hooper 1 Mar 2007	kathy hooper 1 Mar 2007	0
	xampp windows installation package issues Locked	Michael Rodgers 12 Mar 2007	Michael Rodgers 12 Mar 2007	0
	redirect after post Locked	Genner Cerna 23 Mar 2007	Genner Cerna 23 Mar 2007	0
	very slow on login Locked	Ye Chen 6 Apr 2007	Ye Chen 6 Apr 2007	0
	Hardware Locked	Bidur Shrestha 13 Apr 2007	Bidur Shrestha 13 Apr 2007	0
	/admin/index.php Locked	Ger Tielemans 13 May 2007	Ger Tielemans 13 May 2007	0
	Video Download Speed Locked	Peter Ward 2 June 2007	Peter Ward 2 June 2007	0
	zend optimizer? Locked	Ryan Thomas 6 July 2007	Ryan Thomas 6 July 2007	0
	Moodle and local PC CBT files for 12,000 users across New Zealand Locked	Tomer Sagi 25 July 2007	Tomer Sagi 25 July 2007	0
	Moving javaScript to bottom of page Locked	Jez H 1 Aug 2007	Jez H 1 Aug 2007	0
	Moodle 1.8.2 (ODBTP) Locked	Ben Steeples 7 Aug 2007	Ben Steeples 7 Aug 2007	0
	Running moodle on the web farm with 25000 users(800-3000) Simultanious Locked	Munish Gupta 23 Aug 2007	Munish Gupta 23 Aug 2007	0
	Hanging before File Upload Locked	Jez H 3 Sept 2007	Jez H 3 Sept 2007	0
	mysql problem after upgrade to 1.8 Locked	Patrick Landry 6 Sept 2007	Patrick Landry 6 Sept 2007	0
	Testing early version of the 1.9 performance patches Locked	Martín Langhoff 6 Sept 2007	Martín Langhoff 6 Sept 2007	0
	Slow only on SOME computers Locked	October Smith 15 Sept 2007	October Smith 15 Sept 2007	0
	Cron.php Locked	Ângelo Rigo 24 Sept 2007	Ângelo Rigo 24 Sept 2007	0
	Anybody using moodle with dimdim Locked	Ratnesh Mathur 28 Sept 2007	Ratnesh Mathur 28 Sept 2007	0
	If you have trouble with performance... Locked	Maik Riecken 18 Nov 2007	Maik Riecken 18 Nov 2007	0
	Verifying cache_text Locked	Shirley Villanes 18 Dec 2007	Shirley Villanes 18 Dec 2007	0
	MySQL database (moodle) and SQL-user permitions, need help!! Locked	Saso Skocir 20 Dec 2007	Saso Skocir 20 Dec 2007	0
	Editing difficulties Locked	David Dreyer 1 Jan 2008	David Dreyer 1 Jan 2008	0
	Still Can't Get Mysql Working Right After Upgrade Locked	Hurstel Howard 9 Jan 2008	Hurstel Howard 9 Jan 2008	0
	How to config Chat demon in a cluster? Locked	Israel Forés 3 Mar 2008	Israel Forés 3 Mar 2008	0
	Read-Only Moodle, tuning for speed? Locked	David Scotson 8 Apr 2008	David Scotson 8 Apr 2008	0
	1.9 - Statistics running all day Locked	Mark Schumann 15 Apr 2008	Mark Schumann 15 Apr 2008	0
	WHM & server transfer of Moodle sites Locked	jobe jobe 22 Apr 2008	jobe jobe 22 Apr 2008	0
	Cron.php really slow Locked	Rob Hudson 14 May 2008	Rob Hudson 14 May 2008	0
	CSS often fails on IE6/7 (but not FF) Locked	Shaun Daubney 1 July 2008	Shaun Daubney 1 July 2008	0
	Removing Old Records Locked	Carl Keller 5 July 2008	Carl Keller 5 July 2008	0
	Login process hanging Locked	Robert Drew 17 Sept 2008	Robert Drew 17 Sept 2008	0