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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
	Load testing - quiz Locked	Syed Ali 1 Dec 2016	Howard Miller 1 Dec 2016	1
	Jmeter moodle 2.8 test Locked	Rama Gundabhat 30 Nov 2016	Ken Task 30 Nov 2016	1
	"Print Book" option not working Locked	Jill Lee 29 Nov 2016	Emma Richardson 30 Nov 2016	1
	Problems with architecture Locked	Albert Ramsbottom 29 Nov 2016	Albert Ramsbottom 30 Nov 2016	10
	Need help to decide server configuration Locked	Akash Dobaria 25 Nov 2016	Howard Miller 29 Nov 2016	5
	Need help to decide server configuration Locked	Akash Dobaria 25 Nov 2016	Rick Jerz 26 Nov 2016	3
	How can I speed up backups on a clustered server environment? Locked	Mikhail Janowski 24 Nov 2016	Jeff White 30 Nov 2016	4
	Difficulty using memcached to store moodle session Locked	Daniel Tran 24 Nov 2016	Daniel Tran 26 Nov 2016	6
	Using MySQL memcached API for Moodle session storage Locked	Chris Fryer 18 Nov 2016	Chris Fryer 22 Nov 2016	3
	Trim down the log database size Locked	eli chan 16 Nov 2016	Leon Stringer 18 Nov 2016	2
	$CFG->wwwroot Locked	Mark Rudnicki 9 Nov 2016	Howard Miller 10 Nov 2016	1
	Automated performance tests Locked	Alex Stanec 3 Nov 2016	Mathew Gancarz 4 Nov 2016	2
	Are Some Moodle installation in a local area network Locked	ari mardian 2 Nov 2016	Muhammad Yani Sidi T 1 Dec 2016	8
	Performance Tuning and Load Testing Locked	Indresh Vishwakarma 26 Oct 2016	Ricardo Caiado 13 Jan 2017	18
	Cache Settings in config.php - help Locked	Noveck Gowandan 25 Oct 2016	Andrew Lyons 5 Nov 2016	6
	Setup Moodle with DynamoDB Locked	Liam M 21 Oct 2016	Michael Penney 30 July 2017	3
	Rethinking email delivery from Moodle 3.2 Locked	Dan Poltawski 20 Oct 2016	Michael Aherne 27 Oct 2016	17
	Slow Moodle performance net::ERR_INCOMPLETE_CHUNKED_ENCODING Event Monitor Locked	Joël Schmid 19 Oct 2016	Joël Schmid 3 Aug 2017	3
	Moodle 2.9 with VPL very slow on windows server Locked	ashok bhansali 19 Oct 2016	Howard Miller 19 Oct 2016	1
	Hosting assignment files externally Locked	Andrew Schlussel 12 Oct 2016	Howard Miller 13 Oct 2016	2
	Hosting For Moodle ? Locked	Ashley Collins 12 Oct 2016	Rick Jerz 12 Oct 2016	2
	moodle server partion question Locked	Anderson Hsu 10 Oct 2016	Howard Miller 10 Oct 2016	2
	Deploy Moodle on AWS EC2 Locked	Iman Al-Kindi 8 Oct 2016	Grant Mucha 1 Nov 2016	3
	VPS Configuration Locked	Thiago Nunes 7 Oct 2016	Howard Miller 7 Oct 2016	2
	Slow file download and playing SCORM videos Locked	Sali Kaceli 7 Oct 2016	Nelson Moller 2 Oct 2017	14
	Two suggestions for when you are running your load tests Locked	Tim Hunt 5 Oct 2016	Tim Hunt 8 Oct 2016	5
	Performance issues when updating a record in Moodle 3.0.3 Locked	SECOMV EMARF 30 Sept 2016	SECOMV EMARF 4 Oct 2016	7
	SCORM editing activity slow Locked	Tom Kleintjens 28 Sept 2016	Tom Kleintjens 28 Sept 2016	0
	Specific areas of Moodle slow, others perform fine Locked	David Nelson 27 Sept 2016	David Nelson 29 Sept 2016	3
	Hardware requirements Locked	Farhad Arshad 26 Sept 2016	Farhad Arshad 27 Sept 2016	13
	some page content speed is slow Locked	Anderson Hsu 24 Sept 2016	Anderson Hsu 29 Sept 2016	4
	How to recover Moodle from server crash? Locked	Allie Justice 21 Sept 2016	Howard Miller 23 Sept 2016	1
	performance problems solved in 3.1 Locked	Dominique LALOT 20 Sept 2016	Dominique LALOT 26 Sept 2016	4
	My Moodle Site is very slow ?? Locked	Phương Nguyễn 16 Sept 2016	Visvanath Ratnaweera 17 Sept 2016	1
	Moodle running of Amazon EFS Locked	Christos Savva 13 Sept 2016	Christos Savva 14 Oct 2016	6
	moodle connect speed Locked	Anderson Hsu 8 Sept 2016	Anderson Hsu 13 Sept 2016	6
	Event Monitoring Fixed? Locked	Deleted user 7 Sept 2016	Deleted user 7 Sept 2016	0
	Splitting out to have the database in its own server Locked	Tammy Moore 2 Sept 2016	Howard Miller 18 Sept 2016	8
	Local Moodle Website - System Configuration Locked	Dhananjay Sharma 29 Aug 2016	Usman Asar 18 Sept 2016	19
	What's the requirement specifications of a host needed to uplood moodle 3.1 with 3000 users Locked	Ahmed Samy 28 Aug 2016	Ahmed Samy 28 Aug 2016	0
	Global Search with thousands of documents Locked	William Mair 26 Aug 2016	William Mair 26 Aug 2016	0
	System-wide performance Locked	John D. Black 20 Aug 2016	Visvanath Ratnaweera 20 Aug 2016	2
	Purge / flush memcached_store command line Locked	Mike Wilson 16 Aug 2016	Mike Wilson 17 Aug 2016	4
	Server Overload Locked	vansh gulati 11 Aug 2016	Visvanath Ratnaweera 11 Aug 2016	3
	MySQL database halts on course management load Locked	Ulrik McArdle 10 Aug 2016	Ulrik McArdle 11 Aug 2016	5
	Partitioning scheme for Ubuntu Server Locked	Ryan B 10 Aug 2016	Howard Miller 13 Aug 2016	8
	hardware and software needs for a powerfull moodle server Locked	Gonzalo Pacheco Alvarez 6 Aug 2016	Visvanath Ratnaweera 8 Aug 2016	4
	Advice : AWS Capacity Planning for 20,000 concurrent users Locked	Sid Mad 5 Aug 2016	Albert Ramsbottom 12 Sept 2016	13
	Adding quiz on course error Locked	Sheryl Villaroman 2 Aug 2016	Sheryl Villaroman 2 Aug 2016	0
	[Moodle BenchMark] Disappointing score (1945) for a two VM setup, 12 CPU and 112 GB RAM in total Locked	Daniel Tillman 1 Aug 2016	Grant Mucha 30 Aug 2016	5
	Apache best MPM: Prefork, Worker or Event Locked	Naaman Fallouh 27 July 2016	Visvanath Ratnaweera 28 July 2016	6
	Performance Tip ... shared ... Locked	Ken Task 17 July 2016	Howard Miller 17 July 2016	1
	my platform works very slow Locked	tasos dimopoulos 13 July 2016	Howard Miller 14 July 2016	3
	optimizing mysql: tmpdir on tmpfs Locked	Rui Ruas 12 July 2016	Tomasz Muras 13 Aug 2016	2
	Debugging Debug report.... Locked	Steve Ambro v3.8 11 July 2016	Steve Ambro v3.8 11 July 2016	2
	Suggestion on buying used server for home use Locked	snehasis pradhan 27 June 2016	Howard Miller 27 June 2016	1
	[Moodle BenchMark] Need Beta-tester Locked	Mickaël PANNEQUIN 26 June 2016	Usman Asar 24 Sept 2019	101
	increase session_data cache size for LMS users Locked	Billy Zwiener 25 June 2016	Billy Zwiener 25 June 2016	0
	Problems to load the Administration Section Locked	Fabian Belledi 16 June 2016	Emma Richardson 17 June 2016	3
	Moodle for a school with around 3000 students Locked	sushumna rao 15 June 2016	Howard Miller 20 June 2016	6
	"Memcache" cache store what data is cached? Locked	Thorsten Bieser 8 June 2016	Thorsten Bieser 9 June 2016	4
	Can jMeter Testing of a Moodle - LDAP Authentication Locked	Ken Task 8 June 2016	Ken Task 8 June 2016	3
	PHP5 32bit vs 64bit performance on windows 64 bit server Locked	Paul Lindgreen 3 June 2016	Paul Lindgreen 9 June 2016	4
	moodle 3.1: 10x slower than 3.0.2 Locked	Martin Alexander 25 May 2016	Juan Gabriel Edu Labs 21 Jan 2017	10
	Strange NFS problem in rare case of deleting/creating same file Locked	sam marshall 23 May 2016	Albert Ramsbottom 26 May 2016	6
	Opcache errors in Windows Event Viewer - how to prevent? Locked	Perry Way 18 May 2016	Usman Asar 19 May 2016	7
	Help with weird PHP-FPM nginx behavior Locked	Jorge Villalon 17 May 2016	Nadav Kavalerchik 5 Nov 2016	3
	siteidentifier is NULL Locked	Jeff White 12 May 2016	Jeff White 12 May 2016	0
	Opcache question from NON technical user. M2.73 Locked	Dom F 11 May 2016	Mark Sharp 13 May 2016	13
	Partial load of Moodle pages Locked	Hittesh Ahuja 11 May 2016	Tim Hunt 12 May 2016	2
	Database read error when user try to login... Locked	Ricardo Caiado 10 May 2016	Ricardo Caiado 11 May 2016	3
	Session Partition full and File store path not exist Locked	R Ali 9 May 2016	Just H 22 May 2016	4
	Really Slow Quiz Locked	Jessica Tranter 7 May 2016	Jessica Tranter 11 May 2016	11
	Archiving Completed Students - grades, files, results Locked	Dan Logan 6 May 2016	Dan Logan 6 May 2016	0
	Login for anyone takes a long time - after upgrade Locked	David White 1 May 2016	Howard Miller 10 May 2016	25
	trying to preview in a proxy but getting some weird behavior. Is this normal of a proxy? Locked	Billy Zwiener 30 Apr 2016	Billy Zwiener 30 Apr 2016	0
	How might I go about purging huge tables/ can I delete quiz attempts PAST a certain date only? Locked	Billy Zwiener 27 Apr 2016	Tim Hunt 28 Apr 2016	3
	How to load balancing moodle Locked	Doan Dung 27 Apr 2016	Albert Ramsbottom 9 May 2016	6
	Crashing under increased activity... But not a lot ... 20 users maybe at the same time? Locked	Billy Zwiener 27 Apr 2016	Billy Zwiener 27 Apr 2016	6
	Blank page returned when i access by admin Locked	Doan Dung 26 Apr 2016	Doan Dung 27 Apr 2016	2
	Moodle 2.6 Apache Event MPM Locked	Juan C. 26 Apr 2016	Paul Verrall 9 May 2016	1
	Adelani Adekunle - Moodle made my System slow Locked	Adelani Adekunle 22 Apr 2016	Adelani Adekunle 8 May 2016	3
	Preferred php handler for large moodle site Locked	Farhan Karmali 20 Apr 2016	Mark Sharp 6 May 2016	8
	Performance of Moodle site Locked	Rajakumar Jillella 20 Apr 2016	Visvanath Ratnaweera 20 Apr 2016	2
	How have people spec'd thier environment? Locked	John Rickard 14 Apr 2016	Heather P 20 Apr 2016	1
	Disk space, duplicate? Locked	Chris Swaffield 13 Apr 2016	Albert Ramsbottom 14 Apr 2016	3
	Microsoft Azure Encyption Locked	Albert Ramsbottom 12 Apr 2016	Albert Ramsbottom 14 Apr 2016	4
	Advice on preferred hardware setup for upgrade and cloud use Locked	Jerry Lau 8 Apr 2016	Visvanath Ratnaweera 9 Apr 2016	9
	Very Large Moodle Installation Locked	Greg Shaw 30 Mar 2016	Albert Ramsbottom 6 Apr 2016	4
	Moodle data folder on a shared ntfs volume Locked	Heather P 17 Mar 2016	Ken Task 26 Apr 2016	13
	Filesystem recommendations for cross-network HA setup? Locked	Brad Smith 12 Mar 2016	Albert Ramsbottom 6 Apr 2016	20
	system monitoring Locked	dima maksoud 8 Mar 2016	dima maksoud 10 Mar 2016	2
	When to build a server cluster for Moodle (with examples)? Locked	Visvanath Ratnaweera 7 Mar 2016	Luis de Vasconcelos 25 Apr 2016	12
	The site is getting slower and slower for admin and teachers? Locked	Frankle Lee 李智高 7 Mar 2016	Visvanath Ratnaweera 9 Mar 2016	8
	Fallview Capital - Hardware issues with Moodle Locked	Marty Mittelman 6 Mar 2016	Usman Asar 6 Mar 2016	2
	Moving from Windows to Solaris Locked	Pedro Martins De Torre 2 Mar 2016	Howard Miller 24 Sept 2016	8
	Performance of the Assignment tool Locked	Tim Hunt 1 Mar 2016	Tim Hunt 1 Mar 2016	0
	Moodle 2.9.4 Poor Performance as Admin user Locked	Gus Hagelberg 26 Feb 2016	Andreas Panagiotopoulos 21 Dec 2016	8
	Moodle 3 - Recent conversations Locked	mimi nom 25 Feb 2016	Andrew Lyons 28 Feb 2016	4
	How many cache lock instances must be created when caching with memcached? Locked	David Ordóñez 25 Feb 2016	Paul Verrall 26 Feb 2016	4