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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
	Hardware Requirements of Moodle Locked	Antony Meyn 29 Mar 2008	Visvanath Ratnaweera 15 Jan 2009	23
	Connection timed out Locked	tony deprato 5 Apr 2008	Norbert Berger 5 Apr 2008	1
	Long load time for moodle on server Locked	Omer Simanovsky 7 Apr 2008	Myles Carrick 8 Apr 2008	1
	Read-Only Moodle, tuning for speed? Locked	David Scotson 8 Apr 2008	David Scotson 8 Apr 2008	0
	Moodle in the Cloud Locked	Wilfred Wright 11 Apr 2008	Rene Folse 9 May 2008	1
	Moodle on a NAS ie DS207+ Locked	Hans B0s 13 Apr 2008	Hans B0s 14 Apr 2008	2
	Moodle best Hosting Locked	Reivaj Daba 15 Apr 2008	Sam Mudle 22 June 2013	3
	1.9 - Statistics running all day Locked	Mark Schumann 15 Apr 2008	Mark Schumann 15 Apr 2008	0
	How Moodle handles multiple users Locked	Tristan Deane 17 Apr 2008	Tim Hunt 18 Apr 2008	1
	WHM & server transfer of Moodle sites Locked	jobe jobe 22 Apr 2008	jobe jobe 22 Apr 2008	0
	'normal' and 'good' load times? Locked	Lael ... 24 Apr 2008	Lael ... 14 May 2008	13
	Virtual client/server testing Locked	M Adeel 24 Apr 2008	Visvanath Ratnaweera 1 May 2008	1
	Need specs for a Small Rollout. Locked	Greg Ashauer 25 Apr 2008	Visvanath Ratnaweera 7 May 2008	4
	Advice requested for running Moodle 1.6 w MySQL Cluster Locked	kevin metcalf 25 Apr 2008	Christopher Medina 24 Sept 2011	7
	Testing Moodle capacity Locked	Rey Ong 25 Apr 2008	Ixbalanque Millan 6 May 2008	6
	Modify error:Database connection failed Locked	Jacques Guiffo 29 Apr 2008	Jacques Guiffo 30 Apr 2008	2
	specing servers and DMZ Locked	Matthew Hargraves 1 May 2008	Visvanath Ratnaweera 7 May 2008	1
	Database Connection - beginner`s questions Locked	Márcio Vilaça 2 May 2008	Myles Carrick 5 May 2008	4
	Mirroring moodle between two servers Locked	Phil Hopfner 7 May 2008	Jonathan Moore 8 May 2008	5
	Multiple Sites and data folders Locked	garth verity 8 May 2008	Mark Picker 30 Jan 2009	6
	Hardware & Software to run Moodle Locked	Steve Hill 13 May 2008	Steve Hill 17 May 2008	5
	Cron.php really slow Locked	Rob Hudson 14 May 2008	Rob Hudson 14 May 2008	0
	Multiple Moodle sites on a server cluster Locked	Manfred Deller 15 May 2008	Valery Fremaux 17 May 2008	4
	Slow Moodle in Virtual Environment Locked	Andrew Eickstead 16 May 2008	Jonathan Moore 17 May 2008	1
	Shopping for a new server Locked	Eric Hagley 20 May 2008	Eric Hagley 1 Oct 2010	14
	Moodle hosting cost and time Locked	Scott Karren 22 May 2008	Scott Karren 2 June 2008	7
	Scaling a Local Education Authority System? Locked	Edward Pryce 22 May 2008	Dan Poltawski 29 May 2008	4
	basic questions about hosting and choose the company Locked	alain madec 26 May 2008	gerard manvu 29 Oct 2010	5
	OS 10.5 Server and PHP Acceleration Locked	Richard MacLemale 28 May 2008	Dan Trockman 16 Sept 2008	7
	High Availability Moodle Locked	Howard Miller 2 June 2008	Valery Fremaux 20 June 2008	3
	Why "role_assign()" && "role_unassign()" takes so much time to execute...? Locked	Simon MELIX 3 June 2008	Visvanath Ratnaweera 24 Oct 2008	6
	SUSE Linux with XEN and Moodle Locked	dan Krajewski 4 June 2008	Visvanath Ratnaweera 18 June 2008	4
	SWF File loading is too slow Locked	Abbas Shaikh 4 June 2008	E. L. Cooper 19 June 2008	2
	Performance of modle Locked	Jader Menezes 6 June 2008	Visvanath Ratnaweera 16 June 2008	1
	Worried about the performance of our moodle server ! Locked	Steve Audus 7 June 2008	Steve Audus 9 June 2008	3
	Persistent Moodle Live-DVD Locked	Max De Mendizábal 9 June 2008	kenneth wyrick 17 Feb 2009	3
	Vista testers needed please Locked	Darrel Tenter 11 June 2008	Visvanath Ratnaweera 16 June 2008	3
	memory_limit - server error Locked	jobe jobe 12 June 2008	John Rodkey 6 Aug 2008	5
	hosting options Locked	Jennifer Claro 16 June 2008	Gary Benner 25 June 2008	17
	Moodle Bloat. Locked	Peter Vitez 16 June 2008	Martin Dougiamas 19 June 2008	6
	Moving to Moodle - Looking For Advice on Server Setup Locked	Simon Boddy 17 June 2008	Simon Boddy 18 June 2008	4
	Worried about the performance of our moodle server ! Continued... Locked	Steve Audus 18 June 2008	Myles Carrick 21 July 2008	2
	XCache with Moodle Locked	Ângelo Rigo 18 June 2008	Zvonko Martinović 10 June 2010	8
	Many unauthenticated user, writing to net after using show processlist command Locked	Đặng Quang Hùng 18 June 2008	Tariq Adel Al Ammadi 23 July 2008	6
	Our Moodle Site Slow Over Internet Locked	Reynard Cobham 19 June 2008	Jamie Robe 12 Aug 2008	10
	SCORM responsiveness - too slow. Locked	Thomas Tyson 19 June 2008	Todd Thornton 10 July 2008	2
	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
	Reduce bandwidth by 80-85%!!! Locked	Dakota Duff 11 July 2008	Howard Miller 1 Dec 2014	10
	Minimum Moodle Setup for cloud computing hosting Locked	Eric Novikoff 18 July 2008	E. L. Cooper 21 May 2009	18
	porting Linux Moodle to Windows Moodle Locked	Steve Peters 19 July 2008	Ken Wilson 3 Aug 2008	10
	Dual Dual Xeon's or Dual Quad Harpertowns Locked	Todd Thornton 22 July 2008	Sojiro Sato 22 July 2008	1
	New roll out for approx 250 concurrent users Locked	philip jones 29 July 2008	Eric Novikoff 31 July 2008	4
	Varnish Locked	Dan Poltawski 1 Aug 2008	Greg Lund-Chaix 19 Sept 2009	5
	High availability - MySQL cluster v's replication Locked	Hugh Morrow 1 Aug 2008	Martín Langhoff 5 Oct 2008	11
	Great writeup on Linux disk tuning for DB servers... Locked	Martín Langhoff 4 Aug 2008	Lei Zhang 27 Aug 2008	1
	1000 concurrent users Locked	Enrique Martinez Roldan 8 Aug 2008	Howard Miller 26 Nov 2015	12
	Tool to estimate server's maximum concurrent users Locked	Anthony Wright 9 Aug 2008	Visvanath Ratnaweera 10 Aug 2008	3
	Multiple installations vs One installation Locked	portable jim 18 Aug 2008	Michael Penney 18 Aug 2008	1
	Moodle 1.8+ Poor server response time Locked	todd vainisi 20 Aug 2008	todd vainisi 26 Aug 2008	3
	Moodle 1.9 Very Slow When Creating New Courses Locked	Dave Townend 21 Aug 2008	Ken Wilson 25 Aug 2008	3
	Stats problems again - new bug in Moodle 1.9.2? Locked	Tony Butler 21 Aug 2008	Matteo Scaramuccia 10 Nov 2010	22
	Nginx for our performance tweakers Locked	Visvanath Ratnaweera 22 Aug 2008	Jason O'Neil 31 Mar 2011	15
	error database failed Locked	Barbara Schroeder 26 Aug 2008	Visvanath Ratnaweera 26 Aug 2008	2
	Content Compression Locked	Lei Zhang 27 Aug 2008	Visvanath Ratnaweera 28 Aug 2008	2
	Using applets java in moodle Locked	Ayari Cuevas 31 Aug 2008	Ayari Cuevas 1 Sept 2008	2
	Benchmarking MySQL for Moodle Locked	Manuel de la Torre 1 Sept 2008	Visvanath Ratnaweera 2 Sept 2008	1
	Performance issues with a fresh 1.9 install Locked	Kent Villard 4 Sept 2008	Tim Hunt 26 Sept 2008	4
	PHP time() returns inconsistent values Locked	David Hoffmann 5 Sept 2008	David Hoffmann 5 Sept 2008	2
	Linux/DB suggestions for home 1.9 server Locked	greg mushial 6 Sept 2008	Kent Villard 17 Sept 2008	3
	System Requirements: Moodle for 500 Students Locked	Adrian Beck 9 Sept 2008	Visvanath Ratnaweera 21 Feb 2012	11
	Login process hanging Locked	Robert Drew 17 Sept 2008	Robert Drew 17 Sept 2008	0
	Sessions in Database problem with Adodb Locked	Taylor Judd 17 Sept 2008	Wen Hao Chuang 25 Mar 2009	19
	A little more perspective ... a module Locked	Hugh Morrow 23 Sept 2008	Hugh Morrow 3 Oct 2008	4
	Performance for external database enrolment Locked	Ângelo Rigo 23 Sept 2008	Ângelo Rigo 23 Sept 2008	0
	Beginner Moodle User Locked	Patty Weigand 23 Sept 2008	Pamela DeRossitte 9 Dec 2008	6
	MySQL running at 100% on beefy server with auto-login Locked	Charlie Owen 23 Sept 2008	Elvedin Trnjanin 24 Oct 2008	5
	EACCELERATOR: PHP crashed Locked	Morten Brydensholt 25 Sept 2008	Jim Coe 3 Sept 2009	2
	VMware and Moodle Locked	Mark Little 30 Sept 2008	Mark Little 6 Oct 2008	2
	What do you think about this architecture for 100.000 students? Locked	Carlos Eduardo Angarita Marquez 1 Oct 2008	Michael Penney 21 Oct 2008	4
	Server Cluster & Performance Monitoring Locked	Andrew Bailey 2 Oct 2008	Visvanath Ratnaweera 3 Oct 2008	2
	best settings for eAccelerator Locked	Mark Little 3 Oct 2008	Mark Little 6 Oct 2008	2
	Big Moodle installation with two different approaches Locked	Khaled Zamani 3 Oct 2008	Khaled Zamani 5 Oct 2008	3
	Performance problems and how we solved Locked	Jose' Coelho 4 Oct 2008	Jose' Coelho 14 Nov 2008	9
	University of Victoria BC, Canada to Etheopia - issues/problems? Locked	Sue Harper 5 Oct 2008	Ken Wilson 8 Oct 2008	2
	Why a many page aren't loaded in adminpanel Locked	Дмитрий Корольчук 6 Oct 2008	Дмитрий Корольчук 6 Oct 2008	0
	Moodle installation for different physical sites Locked	Gabo Nagyr 8 Oct 2008	Gabo Nagyr 8 Oct 2008	0
	Is Moodle 64 bit and would you put it on virtual servers? Locked	Heather P 13 Oct 2008	Visvanath Ratnaweera 17 Oct 2008	9
	APC PHP Accelerator - which "CacheType" to set? Locked	Phil Hopfner 15 Oct 2008	Phil Hopfner 17 Oct 2008	5
	Tool for performance tests Locked	Stefan Prasse 18 Oct 2008	Stefan Prasse 23 Nov 2008	8
	Jmeter Scripts Locked	Elvedin Trnjanin 23 Oct 2008	Elvedin Trnjanin 23 Oct 2008	0
	How many moodle installs on a server? Locked	Richard MacLemale 26 Oct 2008	Samuli Karevaara 26 Oct 2008	2
	BUILD A SERVER FOR MOODLE, HOW TO? Locked	Đinh Lư Giang 26 Oct 2008	Don Hinkelman 29 Nov 2008	5
	Browser hangs... Locked	Antonio Tonino 28 Oct 2008	ETH Zürich 2 Nov 2008	1
	Moodle Host Site info requested Locked	Brad Mills 29 Oct 2008	Visvanath Ratnaweera 1 Nov 2008	5
	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
	Moodle.. Server.. Locked	Andrea Andlais 12 Nov 2008	Barbara Harkin 31 July 2009	5
	Help with settings for a beefy server Locked	Red Morris 13 Nov 2008	Red Morris 4 Feb 2009	5
	Moodle Maintenance Locked	Kevin Gober 15 Nov 2008	Marc Grober 15 Nov 2008	1