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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
	Performance under heavy load Locked	Al-Ayham Saleh 3 Jan 2003	Martin Dougiamas 11 Jan 2003	7
	Probable Usage Locked	Chris U 20 Feb 2003	Martin Dougiamas 21 Apr 2003	7
	Server Hardware requirements Locked	Richard Watkins 12 June 2003	Bob Calder 14 June 2003	8
	Optmization database Locked	Davide Suraci 27 Sept 2002	Huib van Wees 18 June 2003	3
	How many simultaneous users? Locked	Steven Smith 27 June 2003	Ger Tielemans 27 June 2003	16
	Experiences with more than 100 students using Moodle Locked	David Delgado 24 Aug 2003	David Delgado 24 Aug 2003	0
	Evaluating Moodle Locked	Alexis Maldonado 22 Aug 2003	Alexis Maldonado 25 Aug 2003	6
	cpu overload Locked	Ray Le Couteur 1 Feb 2003	Huib van Wees 30 Aug 2003	9
	Word dokuments Locked	Patrik Nilsson 4 Sept 2003	Patrik Nilsson 4 Sept 2003	0
	Moodle optimization Locked	David Delgado 1 Aug 2003	Tony Maite 6 Sept 2003	17
	How many users can Moodle safely accomodate? Locked	riaan devilliers 6 Aug 2003	Martin Dougiamas 9 Aug 2003	5
	Phpwebhosting.com Locked	Art Lader 3 Sept 2003	Håkan Andersson 10 Sept 2003	21
	forbin.ics.hawaii.edu Locked	Chris U 12 Sept 2003	Chris U 12 Sept 2003	0
	Performance testing! Locked	Janne Mikkonen 15 Sept 2003	David Delgado 16 Sept 2003	6
	Loading complaint from hosting manager Locked	Geoffrey Robertson 12 Sept 2003	Geoffrey Robertson 16 Sept 2003	6
	Speed issues Locked	Richard Watkins 10 Sept 2003	Richard Watkins 16 Sept 2003	8
	sudden slowdown Locked	Thomas Haynes 18 Sept 2003	Thomas Haynes 26 Sept 2003	7
	Strange Time stamp behavior - a bug? Locked	Lars Jensen 4 Oct 2003	Lars Jensen 4 Oct 2003	0
	Faster connections in the near future Locked	John Gone 19 Oct 2003	Richard Watkins 20 Oct 2003	2
	Encrypt database password Locked	Lars Jensen 23 Oct 2003	Martin Dougiamas 23 Oct 2003	1
	Apache error log Locked	Joar Herseth 29 Sept 2003	Gustav W Delius 25 Oct 2003	2
	moodle seems very slow Locked	Martin Koops 11 Aug 2003	Ger Tielemans 26 Oct 2003	30
	dbpersist=true Locked	Joar Herseth 24 Sept 2003	Steve Dubois 28 Oct 2003	1
	MS FrontPage extensions Locked	Germán Schultz 4 Nov 2003	Martin Dougiamas 4 Nov 2003	2
	Remote Management Locked	sreelatha anugonda 7 Nov 2003	sreelatha anugonda 8 Nov 2003	2
	Server experience... Locked	Rob Delissen 12 Nov 2003	Richard Watkins 13 Nov 2003	2
	Replicating/Moving Locked	Bill Moseley 23 Aug 2003	Frederic Triquet 14 Nov 2003	6
	CGI Timeout Errors - Performance Issue? Locked	Kam Vento 20 Nov 2003	Kam Vento 22 Nov 2003	8
	How can I publish webspace Locked	Beat Bürgi 11 Nov 2003	Beat Bürgi 22 Nov 2003	5
	php-accelerator experience Locked	Ray Kingdon 7 Nov 2003	Martin Dougiamas 28 Nov 2003	20
	Benchmarking performance Locked	Martin Dougiamas 17 Nov 2003	Kam Vento 1 Dec 2003	11
	Latest software recommendations Locked	Joe Griffin 18 Nov 2003	Art Lader 3 Dec 2003	9
	PHP optimization HOWTO Locked	David Delgado 5 Dec 2003	David Delgado 5 Dec 2003	0
	Conflict between mod_perl and zlib causes instability. Locked	Steve Edwards 9 Dec 2003	rich t 16 Dec 2003	2
	Becoming my own sysadmin Locked	Tim Allen 17 Dec 2003	Tim Allen 18 Dec 2003	20
	Totalchoicehosting - a word of warning. Locked	Ray Le Couteur 18 Oct 2003	Martin Dougiamas 18 Dec 2003	6
	Web Hosts Wont Allow Safe Mode turned Off Locked	Natalie Hall 19 Dec 2003	Martin Dougiamas 19 Dec 2003	1
	Further to my last....... Locked	David Carter 18 Dec 2003	Siegwart Mayr 19 Dec 2003	1
	using moodle to access mysql ODBC driver 3.51 Locked	William Wright 18 Dec 2003	William Wright 5 Jan 2004	2
	Hosting Locked	Jacob Romeyn 25 July 2003	Art Lader 9 Jan 2004	15
	The new moodle.org server Locked	Martin Dougiamas 4 Jan 2004	John Gone 12 Jan 2004	5
	Fatal Error Locked	Robert Jones 8 Jan 2004	Martin Dougiamas 13 Jan 2004	7
	Which Redhat? Locked	Tim Allen 9 Jan 2004	Al Futrell 16 Jan 2004	3
	Mime type question Locked	Marilyn Fleming 17 Jan 2004	Zbigniew Fiedorowicz 17 Jan 2004	1
	Need help and more info about JAVA installation in Windows Locked	W Page 18 Jan 2004	Huib van Wees 18 Jan 2004	1
	Re: NetMondo - Yikes! Locked	Bryan Williams 20 Jan 2004	NetMondo Web Services 20 Jan 2004	1
	CVS client Locked	William Minto 5 Feb 2004	William Minto 5 Feb 2004	0
	php, mysql & Mac OS X Server 10.2 Locked	Chris U 15 Jan 2004	Don Hinkelman 9 Feb 2004	8
	How to PHP accelerate Moodle 1.2? Locked	Bill Bimber 16 Feb 2004	Martin Dougiamas 16 Feb 2004	1
	Performance experiences Locked	chris snow 18 Feb 2004	chris snow 18 Feb 2004	0
	Hasweb seems to be a good place to host Moodle Locked	Paul Norrod 20 Feb 2004	Martin Dougiamas 20 Feb 2004	1
	Hosting sale for Moodle users @ NetMondo! Locked	NetMondo Web Services 20 Jan 2004	Thomas Bray 22 Feb 2004	5
	Issues With Fantastico Locked	Thomas Bray 22 Feb 2004	NetMondo Web Services 23 Feb 2004	2
	Recent problems at Netmondo? Locked	Thomas Bray 22 Feb 2004	Don Hinkelman 23 Feb 2004	15
	Server Does Not Support JPEG Locked	Thomas Bray 23 Feb 2004	Marcus Green 26 Feb 2004	15
	Smaller Quizes Locked	Thomas Bray 23 Feb 2004	Ger Tielemans 28 Feb 2004	4
	dbperformance: "InnoDB cache hit ratio" is 0 Locked	Andreas Vandelaar 1 Mar 2004	Eloy Lafuente (stronk7) 1 Mar 2004	3
	Exploited Scripts Locked	Fuad Luque 3 Mar 2004	Huib van Wees 4 Mar 2004	3
	HTTP_REFERER problem Locked	Robert Brannan 5 Mar 2004	Jon Bolton 5 Mar 2004	2
	Could you report number of courses and users of your Moodle site? Locked	David Delgado 4 Mar 2004	Herbert Keijers 7 Mar 2004	10
	moodledata/temp/backup very large Locked	Lars Jensen 6 Mar 2004	Lars Jensen 9 Mar 2004	2
	does Moodle support RSS/Atom Locked	Leigh Blackall 12 Mar 2004	Joyce Smith 12 Mar 2004	2
	Hosting question Locked	Steven Day 19 Mar 2004	Steven Day 19 Mar 2004	2
	Largest moodle user base? Locked	Jason Cole 11 Nov 2003	Gustav W Delius 24 Mar 2004	3
	How to use mediaplugin Locked	Patt Emmawat 24 Mar 2004	Patt Emmawat 24 Mar 2004	0
	How to stop returned mail complaints Locked	Ash - 15 Mar 2004	Martin Dougiamas 24 Mar 2004	3
	opensourcehost.com Locked	N Hansen 25 Mar 2004	N Hansen 25 Mar 2004	0
	Can Moodle handle > 100,000 hits/day? Locked	Lawrence Khoo 17 Mar 2004	Lawrence Khoo 25 Mar 2004	8
	Extreme scalability: Scaling out Moodle Locked	Martín Langhoff 25 Mar 2004	Gustav W Delius 25 Mar 2004	1
	Moving Moodle to Another Directory Locked	Eugene Ritter 26 Mar 2004	Eugene Ritter 26 Mar 2004	2
	Security Alert! The PHP CGI cannot be accessed directly. Locked	Russell Cunning 25 Mar 2004	Janne Mikkonen 26 Mar 2004	3
	Linux file system corruption (slightly OT) Locked	Andrea Bicciolo 26 Mar 2004	Andrea Bicciolo 27 Mar 2004	5
	Migrating: Mysql ->ms sql and win2k ->Novell netware Locked	Andy Diament 26 Mar 2004	Rob Delissen 30 Mar 2004	4
	Shell access to remote server? Locked	Steven Day 30 Mar 2004	Steven Day 30 Mar 2004	3
	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
	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
	Stop and start moodle from remote machine Locked	Abdul Rafi Jaffarullah 30 Mar 2004	Arne Gylseth 7 Apr 2004	3
	Suggestions for a Moodle server Locked	Edward Kolibab 26 Mar 2004	Arne Gylseth 8 Apr 2004	6
	OT: Netmondo database outages Locked	Thomas Bray 12 Apr 2004	Don Hinkelman 13 Apr 2004	1
	Turck MMCACHE Locked	rich t 16 Dec 2003	Don Hinkelman 14 Apr 2004	10
	Portability of Moodle Locked	Martín Langhoff 20 Apr 2004	Martin Dougiamas 20 Apr 2004	4
	Run Moodle locally for presentation and testing? Locked	Steven Day 30 Mar 2004	W Page 21 Apr 2004	8
	Multiple sites Locked	rick shepherd 22 Apr 2004	Lawrence Khoo 22 Apr 2004	1
	i have a problem with my server Locked	kurt two 20 Apr 2004	Timothy Takemoto 22 Apr 2004	2
	Cannot connect error message Locked	Marc Dastous 24 Apr 2004	Zbigniew Fiedorowicz 24 Apr 2004	1
	Some benchmark results Locked	Lawrence Khoo 24 Apr 2004	Lawrence Khoo 26 Apr 2004	20
	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
	Win2003, Linux and LDAP Authentication Locked	David Carter 18 Dec 2003	Janne Mikkonen 4 May 2004	4
	PHP Byte Code Compiler in Moodle 1.2+ Locked	John Dell 6 May 2004	John Dell 9 May 2004	3
	Secure Mode (a new kind of safe mode) Locked	Jenny Toller 10 May 2004	Jenny Toller 10 May 2004	0
	Is it possible to "save" this course? Locked	Erlyn Baack 9 May 2004	Erlyn Baack 10 May 2004	9
	Free Moodle hosting Locked	Martin Dougiamas 21 Nov 2003	Martin Dougiamas 10 May 2004	2
	Servers and Hosting Locked	Thomas Bray 4 May 2004	James Sangster 13 May 2004	3
	apache & mySQL using different hosting Locked	azman sahari 14 May 2004	azman sahari 14 May 2004	0
	BeoWulf Clusters Locked	James Sangster 13 May 2004	John Dell 15 May 2004	2
	Database Servers Locked	Scott Karren 20 May 2004	Scott Karren 21 May 2004	1