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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
	Anyone running Moodle using 4D DB and 4D WebSTAR V on MacOS X? Locked	Frank Lowney 31 Mar 2004	Martín Langhoff 1 Apr 2004	2
	Running Slow Locked	Thomas Bray 2 Apr 2004	Thomas Bray 2 Apr 2004	0
	UK host for a large school? Locked	Darren Smith 2 Apr 2004	Darren Smith 27 May 2004	26
	Connection Close versus Keep_Alive? Locked	Sarah King 4 Apr 2004	Sarah King 4 Apr 2004	0
	A question about locale Locked	josep josep 6 Apr 2004	Fermí Cueva 6 Apr 2004	9
	Server Stops with 160 Simultaneous Users Locked	Don Hinkelman 7 Apr 2004	Don Hinkelman 9 June 2005	18
	Calculating the Needed Size and Speed of a Server Locked	Don Hinkelman 8 Apr 2004	Gavin McCullagh 19 Oct 2005	9
	OT: Netmondo database outages Locked	Thomas Bray 12 Apr 2004	Don Hinkelman 13 Apr 2004	1
	MySQL gets itself into a Cluster Locked	Ray Lawrence 14 Apr 2004	Rahim Virani 21 Nov 2008	2
	Portability of Moodle Locked	Martín Langhoff 20 Apr 2004	Martin Dougiamas 20 Apr 2004	4
	i have a problem with my server Locked	kurt two 20 Apr 2004	Timothy Takemoto 22 Apr 2004	2
	Multiple sites Locked	rick shepherd 22 Apr 2004	Lawrence Khoo 22 Apr 2004	1
	Software for testing max hit rate of Moodle server? Locked	Lawrence Khoo 22 Apr 2004	Thomas Haynes 8 July 2004	8
	Some benchmark results Locked	Lawrence Khoo 24 Apr 2004	Lawrence Khoo 26 Apr 2004	20
	Cannot connect error message Locked	Marc Dastous 24 Apr 2004	Zbigniew Fiedorowicz 24 Apr 2004	1
	Filemaker Pro Unlimited Locked	Douglas Barkey 28 Apr 2004	Martin Dougiamas 28 Apr 2004	1
	core files Locked	edwin c 30 Apr 2004	edwin c 1 May 2004	2
	Which has better performance: PostgreSQL?, MySQL? Locked	Miquel Escarrà 2 May 2004	Janne Mikkonen 2 May 2004	1
	Servers and Hosting Locked	Thomas Bray 4 May 2004	James Sangster 13 May 2004	3
	PHP Byte Code Compiler in Moodle 1.2+ Locked	John Dell 6 May 2004	John Dell 9 May 2004	3
	Is it possible to "save" this course? Locked	Erlyn Baack 9 May 2004	Erlyn Baack 10 May 2004	9
	Secure Mode (a new kind of safe mode) Locked	Jenny Toller 10 May 2004	Jenny Toller 10 May 2004	0
	BeoWulf Clusters Locked	James Sangster 13 May 2004	John Dell 15 May 2004	2
	apache & mySQL using different hosting Locked	azman sahari 14 May 2004	azman sahari 14 May 2004	0
	Safe Mode and my server Locked	John Lyman 20 May 2004	Howard Miller 22 May 2004	1
	Database Servers Locked	Scott Karren 20 May 2004	Scott Karren 21 May 2004	1
	Moodle for school - hosted? - own server? - can anyone advise? Locked	Jenny Toller 23 May 2004	Richard Cooke 21 Oct 2004	21
	MySQL Performance Tuning Locked	Sean Keogh 25 May 2004	Bala kumar 9 Sept 2009	2
	fatal error in some servers but not all Locked	Carlito Tan 25 May 2004	Rob MN 9 July 2005	4
	Moodle Setup Locked	Paul Reyes 28 May 2004	Mike Smith 1 June 2004	9
	What is the meaning of these findinds on "dbperformance.php " page?? Locked	W Page 1 June 2004	W Page 1 June 2004	0
	sync between local & webhost mySQL Locked	azman sahari 4 June 2004	azman sahari 10 June 2004	2
	Moodle Performance of Various Servers Locked	John Cyber 4 June 2004	Leonhard Küllinger 2 Feb 2005	32
	TCH, Surpass hosting and Moodle Locked	Steven Day 7 June 2004	Steven Day 24 Sept 2004	9
	an unknown filter was not added: PHP Locked	Genner Cerna 7 June 2004	Zbigniew Fiedorowicz 7 June 2004	2
	OFFLINE Moodle Locked	Chris Clark 7 June 2004	Chris Clark 9 June 2004	10
	Security, firewalls and Linux Locked	Rob Englebright 8 June 2004	Howard Miller 9 June 2004	1
	error URI too long longer than 8190 Locked	Genner Cerna 12 June 2004	Genner Cerna 12 June 2004	0
	Cheap hosting for Moodle? Locked	Juan Jose de la Mora 15 June 2004	Michael Penney 22 Sept 2007	30
	I keep getting an error message can you help Locked	Rebecca Thompson 17 June 2004	koen roggemans 18 June 2004	8
	Host with MS-Access Locked	Joe Baud 19 June 2004	Howard Miller 23 June 2004	1
	CPU-hogging problems, anyone? (Help!) Locked	Wendi Dunlap 19 June 2004	Wendi Dunlap 23 June 2004	2
	Moodle on HA cluster? Locked	Rudy Scott 20 June 2004	Sean Keogh 22 June 2004	3
	Complain about netmondo Locked	Pio Garcia 24 June 2004	Art Lader 25 Mar 2005	62
	A service for "peak situations" like exams ... etc Locked	Don Quixote 24 June 2004	Don Quixote 25 June 2004	5
	Zend? Locked	Ian Ellis 25 June 2004	Howard Miller 26 June 2004	3
	smaller sizes Locked	Francis T 29 June 2004	N Hansen 8 July 2004	4
	Moodle benchmark test Locked	Sue Sottili 29 June 2004	sulochana sooriyaarachchi 3 Feb 2009	9
	Speed up moodle 3x (times) Locked	Genner Cerna 29 June 2004	Genner Cerna 30 June 2004	2
	TCH Starter Plan: How many students? Locked	Mauricio Carrera 4 July 2004	W Page 5 July 2004	2
	Thesis Contribution about Servers and Performance Locked	Juan Martinez 5 July 2004	Juan Martinez 6 July 2004	6
	About a moodle site Locked	Rebecca Thompson 6 July 2004	Howard Miller 6 July 2004	2
	Inexpensive Web Hosts and a Question Locked	Erlyn Baack 6 July 2004	Timothy Takemoto 29 Sept 2004	23
	My new host (Opensourcehost) and why I recommend it Locked	N Hansen 8 July 2004	Martin Dougiamas 8 July 2004	1
	Simply Storage and Bandwidth - no more services Locked	CAlex Fagundes 10 July 2004	CAlex Fagundes 10 July 2004	0
	Server Problem? Locked	Peter Stanforth 13 July 2004	Peter Stanforth 13 July 2004	2
	Host Moodle at 1 and 1 .com Locked	Steve Chorny 14 July 2004	W Page 14 July 2004	3
	Shared or Dedicated Hosting? Locked	George Kao 17 July 2004	W Page 17 July 2004	2
	Post Data file for Apache Benchmark AB? Locked	Don Quixote 27 July 2004	sulochana sooriyaarachchi 10 Jan 2009	11
	httpd Processes Killing Us! - OS X 10.3 Locked	Chris Turek 30 July 2004	Visvanath Ratnaweera 14 July 2005	3
	Slow down in server from my host or is it my Moodle? Locked	Marc Paré 30 July 2004	Marc Paré 1 Aug 2004	2
	FREE moodle course hosting Locked	richard guy 30 July 2004	Sean S 8 Nov 2004	2
	Website Hosting Service Locked	Paul Alexander 6 Aug 2004	Madan Kumaraswamy 13 Sept 2005	13
	Using Fantastico Locked	Marilyn Fleming 15 Aug 2004	Timothy Takemoto 29 Aug 2004	7
	Win 2003 problem Locked	Mark Hope 20 Aug 2004	Peak Becker 27 Sept 2004	7
	phpinfo() doesn't show updated mysql version Locked	Don Quixote 25 Aug 2004	Howard Miller 28 Aug 2004	3
	Flash Filer SQL Locked	Steven Priefer 27 Aug 2004	Steven Priefer 8 Sept 2004	3
	Low Cost Moodle ISPs With Fantastico Locked	Thomas Bray 31 Aug 2004	Forrest Nelson 8 Sept 2004	2
	Serious Server Problem: Help Greatly Appreciated Locked	Tim Allen 8 Sept 2004	Tim Allen 8 Sept 2004	3
	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 hardware recommendations; system admin time required Locked	Bob Majors 21 Sept 2004	Thomas Haynes 25 Sept 2004	2
	Apache on Novell -- ABEND Locked	Michele Balazs 23 Sept 2004	Michele Balazs 19 Oct 2004	15
	MyISAM to InnoDB Locked	Martin Dougiamas 23 Sept 2004	Ken Wilson 29 Mar 2008	20
	Server Bogging. Locked	Loren Winfrey 24 Sept 2004	Loren Winfrey 24 Sept 2004	0
	Site loading Time [ Please Test] Locked	Conrad Taylor 25 Sept 2004	Ger Tielemans 26 Sept 2004	15
	Recommendation for a server for 2000 students - Locked	Michele Balazs 30 Sept 2004	Genner Cerna 1 Oct 2004	7
	How does Moodle scale? Locked	Tom Boyle 1 Oct 2004	Sam O 3 Oct 2004	3
	Help: Moodle crashes after several students tried to access it... Locked	J A 1 Oct 2004	J A 21 Oct 2004	6
	Server Ports and position Locked	J B 4 Oct 2004	Wayne Gaish 4 Oct 2004	6
	Connecting to the MySQL Database using ODBC Locked	Mark Little 6 Oct 2004	Charles Libby 26 Oct 2004	1
	Performance trouble on win2003. Locked	Kuno Woudt 6 Oct 2004	Kuno Woudt 25 Oct 2004	2
	Server Spec Locked	Gillian Comley 6 Oct 2004	Howard Miller 10 Oct 2004	1
	More than 600 courses on moodle Locked	Ralf Hilgenstock 8 Oct 2004	Martín Langhoff 8 Dec 2004	3
	Speed Tests Locked	Erlyn Baack 10 Oct 2004	Howard Miller 11 Oct 2004	1
	Hardware question... Locked	Ismo Laitila 12 Oct 2004	Thomas Haynes 13 Oct 2004	8
	Out of Memory Error Locked	Wonko ]8@ 17 Oct 2004	Howard Miller 17 Oct 2004	1
	mysql stops accepting connections Locked	Esther Díez 20 Oct 2004	Kevin Kimick 26 Oct 2004	1
	changing domain name Locked	Diana Clarke 20 Oct 2004	Dave Ray 21 Oct 2004	1
	How do I prevent Moodle-database problems? Help, please! Locked	Gilbert Busana 25 Oct 2004	Gilbert Busana 26 Oct 2004	3
	Moodle and Apple OS 9 Locked	Paul Carr 26 Oct 2004	Howard Miller 2 Nov 2004	5
	Moodle shared server stress testing Locked	Ray Le Couteur 31 Oct 2004	Steven Day 10 Nov 2004	1
	Mac OS X Installation Manual Locked	Don Hinkelman 1 Nov 2004	Mark Stevens 3 Dec 2004	9
	APC PHP Accelerator with Moodle? Locked	Pauli Borodulin 3 Nov 2004	Pauli Borodulin 4 Nov 2004	4
	27,000 students--server or servers? Locked	Michelle Moore 5 Nov 2004	Martín Langhoff 5 Nov 2004	2
	Apache 1.3 vs. Apache 2 under heavy usage (on Linux)? Locked	Samuli Karevaara 5 Nov 2004	Samuli Karevaara 20 Apr 2005	1
	Server Requirements Locked	Daniel McDermott 6 Nov 2004	Don Hinkelman 10 Nov 2004	5
	What is mysql abuse? My account was just suspended. Locked	Steven Day 10 Nov 2004	Steven Day 10 Nov 2004	6
	Possible to run Moodle on older Mac G4/400? Locked	Steven Day 10 Nov 2004	Ted O'Neill 30 Nov 2004	12