Hardware and performance | Moodle.org

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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
	PgBouncer Pooling Type Locked	Mohd Shukri Hadafi Md Nor 14 Nov 2020	Mohd Shukri Hadafi Md Nor 14 Nov 2020	0
	Remove Apache modules Locked	Mohd Heidzir heidzir 24 Apr 2007	Mohd Heidzir heidzir 20 June 2007	2
	Can I delete unzip folder of eaccelerator? Locked	Mohd Heidzir heidzir 17 Apr 2007	Mohd Heidzir heidzir 24 Apr 2007	2
	Web Access of moodle console is slow & www-root consuming 100% CPU Utilization. Locked	Mohd Hassan Uddin 25 Feb 2019	Mohd Hassan Uddin 25 Feb 2019	0
	Error in my course..please help! Locked	Mohannad AlKayem 15 Feb 2005	Mohannad AlKayem 15 Feb 2005	2
	Hardware requirement for moodle Locked	Mohan kumar 1 Oct 2013	Emma Richardson 7 Oct 2013	8
	Apache crashes due to PHP out of memory error Locked	Mohan V 15 May 2009	Henning Bostelmann 20 Feb 2010	13
	Xcache for windows server 2003 Locked	Mohan V 27 Apr 2009	Visvanath Ratnaweera 28 Apr 2009	1
	cannot download php_apc.dll for windows server Locked	Mohan V 23 Apr 2009	Bobby Snow 20 May 2009	6
	Session lock issue , user unable to login Locked	Mohammed Abdul Azeem 24 Mar 2020	Visvanath Ratnaweera 24 Mar 2020	3
	Moodle Server Performance [400 concurrent students] Locked	Mohammad Yaseen 2 Dec 2021	Visvanath Ratnaweera 3 Dec 2021	3
	Best Memory Settings Locked	Mohammad Yaseen 30 Nov 2020	Visvanath Ratnaweera 10 Dec 2020	7
	Optimize a small vps server Locked	Mohammad Nabil 9 Sept 2020	Luz Rodriguez 1 Oct 2020	27
	Moodle cluster on Windows Server Locked	Mohammad Modallal 20 Jan 2020	Usman Asar 24 Jan 2020	4
	Hardware for 100 concurrent users Locked	Mohammad Hallak 27 Oct 2018	Howard Miller 29 Oct 2018	10
	Server Requirement Locked	Mohammad Talat 19 Apr 2015	Seth Mengal 21 Apr 2015	3
	Moodle get slow at internal network	Mohamed Gamal 16 Apr 2024	Visvanath Ratnaweera 18 Apr 2024	5
	Performance Issue with User Enrollment Count in High-Concurrency Moodle Site	Mohamed Atia 19 June 2023	Dan Marsden 20 June 2023	4
	Transferring data from mariadb to postgresql using DBconvert Studio and change config.php setting... Locked	mohamed salman 3 Mar 2021	mohamed salman 4 Mar 2021	4
	Some accounts takes longer to log in to the site (moodle) without ssl and occurs Error 524 with ssl Locked	mohamed salman 4 Feb 2021	mohamed salman 4 Feb 2021	2
	Specification for school have 800/1000 users Locked	Mohamed Aljefri 19 Aug 2020	Ken Task 13 Sept 2020	4
	Moodle AWS or Azure Deployment Locked	Mohamed El Gafy 24 July 2020	Marcus Green 26 July 2020	8
	my web very slow Locked	mo1 jo 7 Feb 2016	jen baker 25 Feb 2016	4
	noob question : How to increase the extra php memory ? Locked	Mireille Raad 9 June 2010	Mireille Raad 9 June 2010	0
	Troubleshooting performance : what does the following mean : ticks: 69 user: 52 sys: 3 cuser: 0 ... Locked	Mireille Raad 31 May 2010	rushabh hathi 8 July 2014	14
	Moodle slow on firefox Locked	Mira El-koussa 19 Feb 2014	Guillermo Madero 20 Feb 2014	2
	Which has better performance: PostgreSQL?, MySQL? Locked	Miquel Escarrà 2 May 2004	Janne Mikkonen 2 May 2004	1
	How much concurrent users does moodle support? Locked	Ming Jiang 8 Feb 2012	Andrew Lyons 8 Feb 2012	5
	performance with mysqltuner Locked	mimi nom 19 Feb 2019	Ken Task 20 Feb 2019	2
	about the top command Locked	mimi nom 7 June 2018	mimi nom 13 June 2018	8
	Moodle become slow when editing a user profile Locked	mimi nom 20 Feb 2018	mimi nom 10 Mar 2018	20
	Problem of performance Locked	mimi nom 20 Feb 2017	mimi nom 21 Feb 2017	4
	Moodle 3 - Recent conversations Locked	mimi nom 25 Feb 2016	Andrew Lyons 28 Feb 2016	4
	Live CD Locked	Miles Berry 1 Aug 2005	Max De Mendizábal 19 Apr 2008	11
	Moodle won't login for 100 student at once Locked	Miki Alliel 5 Feb 2020	Miki Alliel 6 Feb 2020	5
	Will upgrading php and mysql Damage Moodle 2.5? Locked	Miki Alliel 18 Nov 2014	Miki Alliel 18 Nov 2014	2
	Some times files are not being uploaded.. getting bad page Locked	Miki Alliel 3 May 2009	Miki Alliel 3 May 2009	0
	admin problem please help... Locked	Miki Alliel 8 Dec 2005	Visvanath Ratnaweera 9 Jan 2006	3
	How can I speed up backups on a clustered server environment? Locked	Mikhail Janowski 24 Nov 2016	Jeff White 30 Nov 2016	4
	Decreased performance through multiple category enrollments?	Mike Wilday 6 Mar 2024	Mike Wilday 6 Mar 2024	0
	Long login times on clustered Moodle w/NFS, Redis, PostgreSQL Locked	Mike Kelly 13 Aug 2020	Mike Kelly 13 Aug 2020	1
	Purge / flush memcached_store command line Locked	Mike Wilson 16 Aug 2016	Mike Wilson 17 Aug 2016	4
	Moodle freezing when multiple users are logged in and running a SCORM Package Locked	Mike Winslow 27 Aug 2015	Howard Miller 2 Sept 2015	11
	Disable logging Locked	Mike Algozzine 14 Mar 2013	Mike Algozzine 14 Mar 2013	0
	Moodle 2.3.2 + Postgres 9.0.3 + Quizzes(?) = stale db connections Locked	Mike Kelly 7 Nov 2012	Michael Haskell 15 Jan 2013	2
	resource caps hit with only one user Locked	Mike Thon 19 Aug 2011	Michael DeLuca 19 May 2012	4
	Page delivery 6 to 12 seconds (too slow) Locked	Mike Hays 12 July 2009	HJWUCGA INC. 14 July 2009	5
	Virtual Hosting- Ubuntu Locked	Mike Rehner 5 June 2009	Mike Rehner 5 June 2009	0
	FastCGI and PHP Locked	Mike Lott 17 Jan 2007	Maik Riecken 18 Jan 2007	1
	Suggestions for improving performance Locked	Mike Jackson 15 Sept 2006	Genner Cerna 2 Mar 2007	18
	Monitoring Moodle Server Performance? Locked	Mike Edwards 17 Feb 2006	Iñaki Arenaza 17 Feb 2006	1
	Specs for new server just for Moodle Locked	Mike Johnson 26 Jan 2006	Alex DePena 3 Nov 2007	17
	Hosting requirements for 21,000 students? Locked	Mike Mr. 3 Nov 2005	Visvanath Ratnaweera 7 Nov 2005	5
	Moodle very very slow locks up..!! Locked	mike coutanche 21 Sept 2005	Elvedin Trnjanin 24 Dec 2008	5
	how can I speed up my system? Locked	Mike Carollo 4 Apr 2005	Trizit Benjaboonyazit 9 Apr 2005	5
	requirments for moodle server Locked	Mikas Krukauskas 24 Sept 2019	Visvanath Ratnaweera 25 Sept 2019	5
	MCQ with random question performance issue Locked	Mihir J 22 Nov 2018	Tim Hunt 23 Nov 2018	3
	Possible server errors, caused by too many students Locked	Mihail Omelin 8 Feb 2021	Thorsten Bartel 6 Mar 2021	5
	X-Sendfile - Slow Large File Downloads Locked	Mihai Bojonca 20 Nov 2020	Mihai Bojonca 21 Nov 2020	1
	Moodle server overloaded Locked	Miguel Angel Velasquez Teran 24 June 2020	Ken Task 24 June 2020	1
	Download and upload speed Locked	Miguel Ángel Sanz 22 Mar 2020	Visvanath Ratnaweera 24 Mar 2020	9
	Request Timeout when editing or creating users Locked	Miguel Fabo 6 Mar 2021	Miguel Fabo 11 Mar 2021	12
	Help with MUC on cluster enviroment Locked	Miguel González Laredo 10 Mar 2020	Howard Miller 14 Mar 2020	8
	Receive automatic phone call when site is not available Locked	Micky Fokken 17 May 2011	Taylor Judd 17 May 2011	1
	Apache: Track simultaneous connections? Locked	Micky Fokken 11 Jan 2011	Micky Fokken 17 Jan 2011	3
	[Moodle BenchMark] Need Beta-tester Locked	Mickaël PANNEQUIN 26 June 2016	Usman Asar 24 Sept 2019	101
	Windows 2003 or linux Locked	mick marshall 2 Feb 2006	Visvanath Ratnaweera 10 May 2006	16
	Simple global search Locked	Michelle Melton 28 May 2019	Michelle Melton 28 May 2019	0
	27,000 students--server or servers? Locked	Michelle Moore 5 Nov 2004	Martín Langhoff 5 Nov 2004	2
	Dual server setup: More powerful server as webserver or database server ? Locked	Michele Balazs 24 Feb 2005	Martín Langhoff 26 Feb 2005	9
	PHP accelerator on Novell Locked	Michele Balazs 24 Jan 2005	Michele Balazs 24 Jan 2005	0
	Recommendation for a server for 2000 students - Locked	Michele Balazs 30 Sept 2004	Genner Cerna 1 Oct 2004	7
	Apache on Novell -- ABEND Locked	Michele Balazs 23 Sept 2004	Michele Balazs 19 Oct 2004	15
	from M3.1 to M3.5 : database issue ? Locked	Michel DENIS 20 Sept 2018	Michel DENIS 25 Sept 2018	18
	Moodle very slow on local Windows high end laptop Locked	Michel DENIS 13 May 2015	Michel DENIS 17 May 2015	8
	Quiz Question Format Locked	Michael "doc" Crawford 23 Sept 2014	Tim Hunt 23 Sept 2014	1
	Backup question Locked	Michael Jensen 14 Mar 2023	Rick Jerz 15 Mar 2023	8
	Cache performens test- over 800 = error 504 Locked	Michael Jensen 2 Dec 2022	Michael Jensen 7 Dec 2022	8
	Looking for a NAS/SAN recommendation Locked	Michael Greene 19 Feb 2021	Visvanath Ratnaweera 19 Feb 2021	1
	Load Testing Moodle 3.7 with Adaptable Theme Locked	Michael Lynn 24 Dec 2020	Alex Rowe 12 Jan 2021	20
	XAMPP on Windows Server 2012 running in production Locked	Michael Hankins 9 Mar 2019	Ken Task 16 Mar 2019	19
	Moodle with Shibboleth over SSL Locked	Michael Aherne 16 Oct 2017	Emma Richardson 17 Oct 2017	4
	1200 users Locked	Michael Shea 14 Sept 2015	Howard Miller 15 Sept 2015	6
	Event Monitoring Performance Locked	Michael Hughes 18 Feb 2015	Dirk Meyer 16 Feb 2017	10
	Saving quiz caching takes a long time and crashes Locked	Michael Ko 17 Dec 2014	Michael Ko 21 Jan 2015	12
	Cron job is endlessly editing calendar in specific restored courses Locked	Michael Deal 8 Aug 2014	Jon Marthaler 22 Aug 2014	11
	Moodle 2.6 running very slow Locked	Michael K 28 Apr 2014	Michael K 29 Apr 2014	8
	Moodle crashing after upgrade to 2.4.7 Locked	Michael Hughes 21 Jan 2014	Dan Poltawski 30 Jan 2014	10
	MySQL Database Master/slave replication and other thoughts Locked	Michael Hughes 5 July 2013	Dmitriy Kuzevanov 30 Sept 2016	16
	Minimum Apache Modules to run Moodle 2 Locked	Michael Haskell 15 Jan 2013	Andrew Lyons 6 Mar 2013	7
	CAS Browser Looping Locked	Michael Haskell 25 Oct 2012	jason everling 7 Nov 2012	4
	Moodle 2 is VERY SLOW - Staff are not happy! Locked	Michael Dean 25 Jan 2012	Chris Taylor 14 July 2016	21
	150 DB queries per lesson page - normal? Locked	Michael Cohn 12 Sept 2011	Tim Hunt 12 Sept 2011	1
	Best practices for MySQL Locked	Michael Melton 22 Mar 2011	Bartosz Cisek 23 Mar 2011	1
	The standed hardware req help Locked	Michael Melton 23 July 2010	Visvanath Ratnaweera 29 July 2010	8
	Serious Performance hit on login & user profiles Locked	Michael Hughes 18 June 2010	Bartosz Cisek 25 June 2010	1
	Warning if the Moodle server / website is not working Locked	Michael Harrington 31 Aug 2009	Rosalyn Metz 3 Sept 2009	7
	xampp windows installation package issues Locked	Michael Rodgers 12 Mar 2007	Michael Rodgers 12 Mar 2007	0
	stats_daily is HUGE Locked	Michael Johnson 23 Aug 2006	Penny Leach 28 Aug 2006	1
	What is the minimum MySQL version for 1.5? Locked	Michael Penney 14 Aug 2005	Jeff Graham 17 Aug 2005	7