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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
	Storage Capacity Needed Locked	Arlo Speer 28 Sept 2005	fevzi gungor 28 Sept 2005	1
	Stop and start moodle from remote machine Locked	Abdul Rafi Jaffarullah 30 Mar 2004	Arne Gylseth 7 Apr 2004	3
	Still Can't Get Mysql Working Right After Upgrade Locked	Hurstel Howard 9 Jan 2008	Hurstel Howard 9 Jan 2008	0
	Status indicator light for moodlebox on raspberry pi 3b+ Locked	Cade Dopp 21 May 2018	AL Rachels 23 May 2018	6
	stats_daily is HUGE Locked	Michael Johnson 23 Aug 2006	Penny Leach 28 Aug 2006	1
	Stats problems again - new bug in Moodle 1.9.2? Locked	Tony Butler 21 Aug 2008	Matteo Scaramuccia 10 Nov 2010	22
	Stats Cron Job Kills Server Locked	Glenn Black 12 Sept 2006	Ralph Patterson 28 Sept 2006	6
	Stats affecting server Locked	Dave Cuttriss 25 Oct 2010	Visvanath Ratnaweera 29 Oct 2010	2
	Statistics stupidly inefficient Locked	Bruce Webster 9 Mar 2009	Matteo Scaramuccia 22 Nov 2010	17
	STandard Moodle Administrator Locked	Alice Garrard 18 Jan 2014	jason everling 6 Feb 2014	3
	Standard Apache Settings? mod_become and "as root" Locked	Timothy Takemoto 22 Nov 2005	Timothy Takemoto 23 Nov 2005	4
	SSD as Cache vs Stand Alone Locked	Kompli Tivi 11 Aug 2017	Kompli Tivi 12 Aug 2017	2
	SQL Server High CPU Locked	Chuck Stratton 23 Jan 2023	Chuck Stratton 23 Jan 2023	0
	SQL query to see storage usage by course (incl. student uploads etc.) Locked	Hariharasudhan A S 30 Apr 2021	Hariharasudhan A S 18 May 2021	7
	Sporadic email delivery times Locked	Nathan Bruley 5 Feb 2015	Nathan Bruley 6 Feb 2015	2
	Splitting Server Load Locked	Reynard Cobham 17 Aug 2007	Jai Gupta 19 Aug 2007	1
	Splitting out to have the database in its own server Locked	Tammy Moore 2 Sept 2016	Howard Miller 18 Sept 2016	8
	splitting database to Amazon S3 Locked	graham green 12 Aug 2015	Paul Verrall 17 Aug 2015	12
	Speeding up Moodle - reindexing entire database would help? Locked	Jerry Lau 26 Sept 2018	Howard Miller 27 Sept 2018	6
	Speed UP Moodle! Help! Locked	Jet Batung Bakal 15 Sept 2009	Visvanath Ratnaweera 17 Sept 2009	3
	Speed up moodle 3x (times) Locked	Genner Cerna 29 June 2004	Genner Cerna 30 June 2004	2
	Speed up moodle Locked	Ashish Khatavkar 25 June 2010	Howard Miller 29 June 2010	4
	Speed Tests Locked	Erlyn Baack 10 Oct 2004	Howard Miller 11 Oct 2004	1
	Speed issues Locked	Richard Watkins 10 Sept 2003	Richard Watkins 16 Sept 2003	8
	Specs on a 125 users Moodle platform. (Need info please) Locked	Mauro Ramón 16 Feb 2007	Visvanath Ratnaweera 22 May 2007	3
	Specs for new server just for Moodle Locked	Mike Johnson 26 Jan 2006	Alex DePena 3 Nov 2007	17
	Specs for Moodle Server running on Windows Server 2003 Locked	John McLernon 8 Dec 2009	Visvanath Ratnaweera 10 Dec 2009	1
	specing servers and DMZ Locked	Matthew Hargraves 1 May 2008	Visvanath Ratnaweera 7 May 2008	1
	Specifications Moodle Server 8000 user Locked	abdallah abualia 3 Feb 2011	Visvanath Ratnaweera 4 Feb 2011	1
	Specification for school have 800/1000 users Locked	Mohamed Aljefri 19 Aug 2020	Ken Task 13 Sept 2020	4
	Specific configurations Locked	kaushik varma 15 July 2020	Marcus Green 23 July 2020	11
	Specific areas of Moodle slow, others perform fine Locked	David Nelson 27 Sept 2016	David Nelson 29 Sept 2016	3
	Special Characters strange behavior after update to 2.8.1 Locked	Deleted user 26 Nov 2014	Greg Rodenhiser 15 Jan 2015	1
	Soooo Slow Locked	Jay S 19 May 2005	J.K. Tan 4 July 2005	9
	Sony SDT-5200 Tape Drive Error Locked	M Y 6 May 2006	M Y 7 May 2006	3
	Sony SDT-5200 Tape Drive - Help Locked	M Y 6 May 2006	M Y 6 May 2006	5
	Sometimes, Moodle does not response (Internal Server Error) Locked	Hu La 24 Dec 2016	Howard Miller 24 Dec 2016	1
	Sometimes Moodle is not responding Locked	Odiljon Atabaev 6 Apr 2020	Visvanath Ratnaweera 7 Apr 2020	4
	Some trouble using JMeter to benchmark Moodle Locked	Aaron Smith 24 July 2009	Jordan Tomkinson 24 July 2009	1
	Some Tips on Getting nginx+php-fpm working Locked	Kory Prince 21 Oct 2011	Владимир Зотов 24 Sept 2015	12
	Some times files are not being uploaded.. getting bad page Locked	Miki Alliel 3 May 2009	Miki Alliel 3 May 2009	0
	some suggestions about server specs, please Locked	Gao Jun 25 Aug 2006	Gao Jun 25 Aug 2006	2
	some page content speed is slow Locked	Anderson Hsu 24 Sept 2016	Anderson Hsu 29 Sept 2016	4
	some moodles slow, some not slow Locked	Zaynab DElia 9 Aug 2005	Bill Burgos 9 Aug 2005	5
	Some benchmark results Locked	Lawrence Khoo 24 Apr 2004	Lawrence Khoo 26 Apr 2004	20
	Some basic info needed for using Moodle Locked	David Friedberg 29 Oct 2010	Visvanath Ratnaweera 5 Nov 2010	2
	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
	soliution for using moodle CMS Locked	Tomas Bersenas 20 Mar 2006	Andrew McMillan 21 Mar 2006	1
	Solaris or not Solaris Locked	Frank Lister 21 Aug 2015	Howard Miller 25 Aug 2015	7
	Software Version Vs. performance Question Locked	Mr. Marc 6 Jan 2017	Mr. Marc 6 Jan 2017	2
	Software to test Website under WinXP Locked	paul rayner 9 Feb 2007	Grant Carmichael 22 Feb 2007	2
	Software on moodle? Locked	Richard Whitehouse 13 June 2006	Dan Marsden 14 June 2006	1
	Software for testing max hit rate of Moodle server? Locked	Lawrence Khoo 22 Apr 2004	Thomas Haynes 8 July 2004	8
	Software compliance with AD 2008/ Exchange 2010 Locked	Al Bay 25 Aug 2011	Visvanath Ratnaweera 26 Aug 2011	1
	smtphosts or php default which is best? Locked	Colin Campbell 27 May 2005	Colin Campbell 2 June 2005	2
	SMTP question Locked	Manuel de la Torre 21 Jan 2007	Anthony Borrow 22 Jan 2007	3
	smaller sizes Locked	Francis T 29 June 2004	N Hansen 8 July 2004	4
	Smaller Quizes Locked	Thomas Bray 23 Feb 2004	Ger Tielemans 28 Feb 2004	4
	Slowness, DB errors, and admin question Locked	Jon Skulski 27 Feb 2008	Samuli Karevaara 27 Feb 2008	4
	Slowness of Moodle Locked	Heather P 24 June 2022	Howard Miller 30 June 2022	15
	slowness after the moodle site migration Locked	Pradeep Fernando 2 Jan 2014	Howard Miller 2 Jan 2014	1
	Slowest queries are inserting single row into mdl_sessions Locked	Diane Soini 9 Apr 2019	Jerry Lau 17 Apr 2019	14
	Slowdown and incompatability in move from 2.2. to 2.3 Locked	Bill Steele 22 Sept 2012	Visvanath Ratnaweera 25 Sept 2012	5
	Slowdown after 1.9 -> 2.2 migration Locked	Tamas Csillag 20 Sept 2012	Tamas Csillag 21 Sept 2012	2
	Slow writing speed to Postgres Database Locked	Acs Gabor 27 Feb 2017	Acs Gabor 1 Mar 2017	2
	Slow video upload - assignment feedback files Locked	David Conrad 19 Aug 2015	Simon Rediss-Whitfield 16 Sept 2015	2
	Slow speed linked to scripting problem? Locked	Ali West 15 Nov 2012	Ali West 19 Nov 2012	3
	slow slow quick quick slow Locked	Tom Denton 18 Jan 2006	Art Lader 18 Jan 2006	1
	slow site admin loading Locked	Tod Anderson 12 Sept 2012	Tod Anderson 18 Sept 2012	2
	Slow Server Respons for Multiple User Locked	Cavi Live 20 Aug 2020	Александр Степаненко 5 Sept 2020	9
	Slow response using Chrome when compared to IE - 2.8.3 (Build: 20150202) Locked	Stephen Bloomer 6 Feb 2015	Stephen Bloomer 7 Feb 2015	5
	Slow response times for some + ICMP from Moodle? Locked	Phil Hopfner 15 Nov 2008	Phil Hopfner 25 Nov 2008	1
	Slow Response – Download / Upload Locked	Mark Hardwick 29 Aug 2011	Visvanath Ratnaweera 30 Aug 2011	6
	Slow query with mdl_question_usages table Locked	Noat Tran 24 Aug 2021	Tim Hunt 25 Aug 2021	1
	Slow query on course search.php Locked	Ângelo Rigo 8 Apr 2011	Visvanath Ratnaweera 9 Apr 2011	1
	Slow query log Locked	jean-paul KIRKBRIDE 9 Mar 2011	jean-paul KIRKBRIDE 14 Mar 2011	13
	Slow queries when showing results Locked	Tarjei Huse 12 Apr 2010	Miki Alliel 12 Dec 2011	2
	Slow performance with load balancer Locked	Janvi MDL 1 Feb 2022	Tomoya Saito 3 Feb 2022	3
	Slow Performance and missed Benchmark Option	Ram Has 15 Apr 2024	Visvanath Ratnaweera 15 Apr 2024	1
	Slow Performance Locked	Cbrc VirtualLearning 19 Feb 2020	Ken Task 20 Feb 2020	5
	Slow Performance Locked	Alex 09 4 Dec 2008	Alex 09 10 Dec 2008	2
	Slow Performance Locked	Jack MacLeod 9 Feb 2006	Samuli Karevaara 10 Feb 2006	3
	slow performance Locked	noelle page 23 Jan 2006	Dan Stowell 23 Jan 2006	2
	Slow performance Locked	Arnor Kristjansson 20 Jan 2006	Martín Langhoff 20 Jan 2006	1
	Slow page loads Locked	john allen 7 Oct 2014	john allen 14 Oct 2014	6
	Slow Page loading speed in quiz Locked	Deepesh Yadav 20 Mar 2013	Howard Miller 20 Mar 2013	2
	Slow page loading in Moodle 2.3.1? Try this: Locked	Paul Nijbakker 7 Sept 2012	Visvanath Ratnaweera 16 Sept 2012	1
	Slow page load, Why? or somethig else? Locked	hugo joe 29 Mar 2010	Visvanath Ratnaweera 4 Apr 2010	1
	Slow only on SOME computers Locked	October Smith 15 Sept 2007	October Smith 15 Sept 2007	0
	Slow only for module courses Locked	Igor Sant Ana 20 June 2012	Igor Sant Ana 20 June 2012	1
	Slow Moving School Locked	Antonio Allah 6 Sept 2005	Antonio Allah 8 Sept 2005	5
	Slow Moodle Subwebs Locked	Roger Mepham 11 Feb 2009	Roger Mepham 11 Feb 2009	0
	Slow Moodle site in creating accounts and enrolling to course Locked	Kimeu Raphael 22 Nov 2020	Visvanath Ratnaweera 1 Dec 2020	1
	Slow Moodle Performance with Upgrades to 2.1.1 Locked	Tadge O'Brien 18 Oct 2011	Visvanath Ratnaweera 30 Oct 2011	9
	Slow Moodle performance net::ERR_INCOMPLETE_CHUNKED_ENCODING Event Monitor Locked	Joël Schmid 19 Oct 2016	Joël Schmid 3 Aug 2017	3
	Slow Moodle in Virtual Environment Locked	Andrew Eickstead 16 May 2008	Jonathan Moore 17 May 2008	1
	Slow Moodle in Thin Clients Locked	Alec Jordan Buencamino 24 June 2019	Alec Jordan Buencamino 24 June 2019	0
	Slow Moodle and Error message: 504 Gateway Timeout Locked	Dave Weninger 14 Dec 2020	Dave Weninger 19 Mar 2021	23
	Slow Moodle 3.8.2 with Galera cluster - cache configuration? Locked	Monica LOUPOT 23 July 2020	Visvanath Ratnaweera 24 July 2020	1
	Slow moodle 2.7 on update Locked	Nathan Friend 1 Sept 2014	Howard Miller 3 Sept 2014	7