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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
	Selecting hardware setup Locked	Nitin Nimkar 23 Apr 2011	Nitin Nimkar 26 Apr 2011	4
	requirements Locked	Nitharshanaa Shanmuganathan 9 Nov 2012	Nitharshanaa Shanmuganathan 9 Nov 2012	2
	general Locked	Nitharshanaa Shanmuganathan 7 Nov 2012	Nitharshanaa Shanmuganathan 8 Nov 2012	2
	Moodle bandwidth Locked	Nitharshanaa Shanmuganathan 18 Oct 2012	Nitharshanaa Shanmuganathan 19 Oct 2012	9
	Moodle performance and speed Locked	Nitesh Mittal 28 Oct 2006	Thomas Robb 28 Oct 2006	2
	Can Moodle work with mysql 3.2.3-55 and a few other questions Locked	Nita Hickok 28 Apr 2005	Martín Langhoff 29 Apr 2005	5
	Web Server for 100,000 users Locked	Nir Karniel 22 May 2013	Visvanath Ratnaweera 23 May 2013	16
	MySql Emergency!! Noobs in NEED!!!! Locked	Nina Kieninger 13 Mar 2009	Nina Kieninger 24 Mar 2009	6
	error 524 when clicking on "Site Administration" Locked	Nima Zarin Parsa 24 May 2020	Nima Zarin Parsa 7 June 2020	12
	Low performance: empty http requests? Locked	Nikolaas Dries 28 Oct 2020	Nikolaas Dries 28 Oct 2020	0
	Automated backup straight to other server? Locked	Nikolaas Dries 8 May 2020	Nikolaas Dries 8 June 2020	6
	Backups failing - some general questions Locked	Nikolaas Dries 7 Apr 2020	Nikolaas Dries 7 June 2020	13
	Site performance Locked	Nikki Macfarlane 28 Apr 2018	Howard Miller 29 Apr 2018	3
	memcached usage in clustered environment - replication questions Locked	Niels Hendriks 27 Dec 2016	Niels Hendriks 1 Jan 2017	2
	Unzip folder (700mb) - duration? Locked	Nicole Hoffmann 17 Jan 2021	Nicole Hoffmann 18 Jan 2021	7
	5s to load any page, and 30s if admin Locked	Nicolas Kouri 6 Mar 2018	Usman Asar 8 Mar 2018	8
	What is doing Moodle ? Our experience with tests and some questions Locked	Nicolas Sicard 6 Mar 2007	Maik Riecken 15 Mar 2007	8
	database making course load very slow Locked	Nicola Bennett 5 Feb 2007	Ken Wilson 18 Feb 2007	1
	Unusual constant database load & strange queries Locked	Nick Mika 22 Dec 2017	Nick Mika 4 Jan 2018	4
	Remote and local access Locked	Nick Garrod 10 Sept 2011	Visvanath Ratnaweera 21 Sept 2011	3
	MYSQL UTF-8 Locked	Nick Oliver 13 Jan 2010	Nate Hartmann 13 Jan 2010	1
	PHP and Moodle: Missing Elements Locked	Nicholas Bullen 8 July 2010	Visvanath Ratnaweera 4 Feb 2012	3
	Hosting sale for Moodle users @ NetMondo! Locked	NetMondo Web Services 20 Jan 2004	Thomas Bray 22 Feb 2004	5
	The moodle login page is slow	Netedge Technology 2 Nov 2023	Visvanath Ratnaweera 6 Nov 2023	3
	Moodle Deleting single course is taking longer than 10 minutes Locked	Neil Shah 14 Aug 2021	Howard Miller 18 Aug 2021	1
	Moodle site on Eukhost VPS Locked	neil hamilton 7 Oct 2009	neil hamilton 8 Oct 2009	3
	Would EasyPHP cut the mustard for a trial Locked	Neil Aubrey 13 Dec 2004	Bob Boufford 14 Dec 2004	4
	Could not insert record info in database. Locked	Neelima Ramesh 4 Jan 2010	Visvanath Ratnaweera 24 Feb 2010	1
	question about required hardware Locked	neama ageb 21 May 2014	Guillermo Madero 22 May 2014	6
	install moodle with linux Locked	neama ageb 6 July 2009	Visvanath Ratnaweera 6 July 2009	1
	Reqrired frontend and backend specification required for about 100,000 user Locked	neama ageb 12 Mar 2009	Visvanath Ratnaweera 15 Mar 2009	7
	Hardware issues with Moodle Locked	Nduka S Okoye 10 Mar 2017	Usman Asar 11 Mar 2017	2
	Can moodle support quiz with 600 concurrent users and 2000 concurrent users learning in other ... Locked	Nawaphon K.bawon 23 Oct 2019	Nawaphon K.bawon 28 Oct 2019	6
	Moodle Concurrent user Locked	Naveendurai K 6 Dec 2020	Visvanath Ratnaweera 14 Dec 2020	5
	No me carga el banco de preguntas, va todo bien menos cuando accedo al banco de preguntas que ...	Nauzet Medina Alemán 2 May 2023	Sergio Rabellino 2 May 2023	1
	Hardware requirements for 12000+ user moodle site Locked	Nathsahib Narale 28 Oct 2010	Tim Hunt 29 Oct 2010	4
	Sporadic email delivery times Locked	Nathan Bruley 5 Feb 2015	Nathan Bruley 6 Feb 2015	2
	Slow moodle 2.7 on update Locked	Nathan Friend 1 Sept 2014	Howard Miller 3 Sept 2014	7
	Profile specific pages with XHProf Locked	Nathan Bruley 14 Aug 2014	Nathan Bruley 15 Aug 2014	2
	OPTIMIZE does not change fragmentation Locked	Nathan Bruley 14 Aug 2014	jason everling 28 Aug 2014	48
	Installation of xhprof Locked	Nathan Bruley 1 Aug 2014	Nathan Bruley 1 Aug 2014	4
	Connection drop issues Locked	Nathan Bruley 26 July 2014	Nathan Bruley 6 Aug 2014	7
	Disable cron emails Locked	Nathan Bruley 15 July 2014	Nathan Bruley 22 July 2014	4
	Timeout problems? Locked	Nathan Bruley 20 June 2014	Nathan Bruley 19 July 2014	6
	Would this server be powerful enough? Locked	Nathan Bellato 13 Jan 2014	Howard Miller 14 Jan 2014	8
	Moodle runs slow or crashes every day at the same time. Locked	Nathan Seaton 18 Jan 2012	Andrew Lyons 23 Jan 2012	2
	Location of sessions, cache, and temp Locked	Nate Baxley 2 Nov 2009	Nate Baxley 2 Nov 2009	0
	Any possibility of SCORM data loss on peak usage? Locked	Natarajan M 31 Oct 2011	david zacarias 11 Nov 2011	7
	Hardware requirements for 50k users and multimedia rich Flash courses Locked	Natarajan M 23 Sept 2009	Visvanath Ratnaweera 15 Oct 2009	2
	Web Hosts Wont Allow Safe Mode turned Off Locked	Natalie Hall 19 Dec 2003	Martin Dougiamas 19 Dec 2003	1
	Site only accessible by IP, not domain name temporarily Locked	Najam Fazal 7 Apr 2021	Najam Fazal 21 Apr 2021	53
	Dockerized Moodle - Dynamic configuration Locked	Nahum Lipkunsky 16 Feb 2018	Howard Miller 19 Feb 2018	4
	Dockerized Moodle - Performance Locked	Nahum Lipkunsky 16 Feb 2018	Andrew Lyons 14 Aug 2018	47
	file.php Locked	Nahum Silva 26 Aug 2006	Nahum Silva 26 Aug 2006	0
	Error reading from database Locked	Nadun Rathnayaka 6 Jan 2021	Guillermo Dova 7 Jan 2021	2
	A new "Large scale Moodle deployment" support group Locked	Nadav Kavalerchik 18 Nov 2020	Nadav Kavalerchik 24 July 2021	16
	How to enhance the FCP and LCP performance factors in my site? Locked	Naaman Fallouh 4 Sept 2022	Naaman Fallouh 8 Sept 2022	15
	Viewing the log of a user or an activity is consuming the CPU and hanging the server! Locked	Naaman Fallouh 3 Aug 2022	Naaman Fallouh 10 Oct 2022	35
	Apache best MPM: Prefork, Worker or Event Locked	Naaman Fallouh 27 July 2016	Visvanath Ratnaweera 28 July 2016	6
	Moodle Connection Time Out Issue Locked	N B 1 Apr 2014	C Behan 26 Feb 2016	6
	500 concurrent Quiz users Locked	n - 30 July 2007	n - 12 Aug 2007	4
	dream server Locked	n - 18 July 2007	Visvanath Ratnaweera 20 July 2007	2
	Student Having Odd Problem with Course Page Access Locked	N Hansen 30 Apr 2006	Lesli Smith 13 May 2006	6
	Forbidden and 404 Locked	N Hansen 3 Apr 2006	Herbert Keijers 4 Apr 2006	1
	A Proposal to Speed Up Moodle Sites Greatly Locked	N Hansen 9 Oct 2005	Ron Meske 21 Feb 2009	11
	Which distribution of Linux should we use? Locked	n - 8 Oct 2005	Michael Hall 18 Nov 2005	24
	Get Hosted and Help Moodle at the Same Time Locked	N Hansen 20 Aug 2005	Manish Verma 13 Sept 2005	11
	Is this a reasonable response from a hosting company? Locked	N Hansen 6 Aug 2005	N Hansen 7 Aug 2005	3
	these marked unread messages are slowing Moodle down Locked	N Hansen 8 May 2005	Martín Langhoff 8 May 2005	5
	My new host (Opensourcehost) and why I recommend it Locked	N Hansen 8 July 2004	Martin Dougiamas 8 July 2004	1
	opensourcehost.com Locked	N Hansen 25 Mar 2004	N Hansen 25 Mar 2004	0
	APCu recommend configuration Locked	My Awesome Moodle 6 Nov 2017	My Awesome Moodle 6 Nov 2017	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
	Scorm Packages Upload and Duplicate Issue Locked	Muhammad Ammar` Ijaz 11 July 2017	Muhammad Ammar` Ijaz 11 July 2017	2
	Hardware requirement for my setup Locked	Muhammad Abdullah Ijaz 22 Nov 2018	Visvanath Ratnaweera 23 Nov 2018	2
	Issue: Moodle Becomes Non-Responsiveness for 10-15 minutes	Muhammad Abdul Basit 3 Jan 2024	Brett Dalton 8 Jan 2024	4
	WAF/Firewall on Moodle Locked	Muhamad Arif 10 Feb 2021	Visvanath Ratnaweera 10 Feb 2021	1
	Web server Performance Locked	Mudasir Irfan Ali Kharal 18 Oct 2011	Visvanath Ratnaweera 19 Oct 2011	2
	Moodle is very slow Locked	Ms. Rahaf AlHoshan 27 Dec 2022	Howard Miller 27 Dec 2022	3
	Slow loading times on Moodle Locked	Ms. Nouf AlRashed 27 Dec 2022	Howard Miller 27 Dec 2022	1
	Software Version Vs. performance Question Locked	Mr. Marc 6 Jan 2017	Mr. Marc 6 Jan 2017	2
	The longer the day goes it seems to get slower Locked	Mr. Marc 2 Aug 2012	Ken Task 5 Aug 2012	20
	Serious Performance Issues with 1.7 Locked	Mr. Marc 31 Jan 2009	Howard Miller 2 Feb 2009	6
	site loading slowly and sometime I get database connection failed Locked	Mr. Shortcut 5 May 2007	Đặng Quang Hùng 25 June 2008	30
	Memcached Locked	Mr Blue 6 July 2015	Mr Blue 6 July 2015	7
	EACCELERATOR: PHP crashed Locked	Morten Brydensholt 25 Sept 2008	Jim Coe 3 Sept 2009	2
	Multiple master Mysql replication with Moodle? Locked	Moritz von Schweintiz 9 Nov 2007	Andrew Lyons 29 Apr 2014	9
	Moodle Hardware Requirement For 300 Concurrent & 550 peak? Locked	Moole Addict 5 Feb 2013	Moole Addict 23 Feb 2013	13
	Moodle Quiz with 500 Concurrent User achieved Locked	Moodle Admin 13 Apr 2018	John Frunks 21 Apr 2018	2
	How can I config my Mysql Locked	moodle china 24 June 2007	moodle china 24 June 2007	2
	High availability - MySQL cluster v's replication (II) Locked	Moo pin 22 Jan 2013	Moo pin 22 Jan 2013	0
	Expensive SQL queries when logging in Locked	Montai Settapokin 13 Sept 2015	Montai Settapokin 15 Sept 2015	2
	Load Testing Moodle 2.9 with 250 concurrent users Locked	Montai Settapokin 31 Aug 2015	Tony Nguyen 17 Sept 2015	3
	Getting 404 errors when load testing Moodle 2.9 with only 10 concurrent users Locked	Montai Settapokin 27 Aug 2015	Montai Settapokin 31 Aug 2015	10
	MariaDB and Moodle Locked	Monico Briseño 18 Jan 2011	Monico Briseño 19 Jan 2011	2
	Slow Moodle 3.8.2 with Galera cluster - cache configuration? Locked	Monica LOUPOT 23 July 2020	Visvanath Ratnaweera 24 July 2020	1
	Strength and load test of server for Moodle Locked	Molin Men 26 June 2014	Tim Hunt 27 June 2014	1
	Moodledata at differennt server Locked	Mokrim Hassan 31 Jan 2008	Samuli Karevaara 31 Jan 2008	1
	MySQL Database Overloaded on Solaris 10 Locked	Mokrim Hassan 25 Sept 2007	Wen Hao Chuang 26 Sept 2007	1
	dashboard make error dmlreadexception Locked	Mojtaba Baghban 1 Sept 2020	Mojtaba Baghban 1 Sept 2020	1