Hardware and performance

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.


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DiscussionStarted byRepliesLast post
Long Loading Time After Login (TTFB) Picture of Uchendu Nwachukwu Uchendu Nwachukwu 2 Uchendu Nwachukwu
Fri, 9 Dec 2016, 2:24 AM
Problem at my Server Picture of Ali Arekat Ali Arekat 5 Emma Richardson
Thu, 8 Dec 2016, 4:05 AM
Moodle 3.2 - Memcached Session Handling PHP 7.0.9 Picture of Jeff White Jeff White 0 Jeff White
Tue, 6 Dec 2016, 3:40 AM
Maintaining large Log table Picture of Richard Flurey Richard Flurey 6 Zabelle Motte
Fri, 2 Dec 2016, 3:08 PM
Load testing - quiz Picture of Syed Ali Syed Ali 1 Howard Miller
Thu, 1 Dec 2016, 7:06 AM
Are Some Moodle installation in a local area network Picture of ari mardian ari mardian 8 Yani Sidi
Thu, 1 Dec 2016, 12:26 AM
Jmeter moodle 2.8 test Picture of Rama Gundabhat Rama Gundabhat 1 Ken Task
Wed, 30 Nov 2016, 11:13 PM
Problems with architecture You either love it or you hate it Albert Ramsbottom 10 Albert Ramsbottom
Wed, 30 Nov 2016, 5:44 PM
"Print Book" option not working Picture of Jill Lee Jill Lee 1 Emma Richardson
Wed, 30 Nov 2016, 10:14 AM
How can I speed up backups on a clustered server environment? Picture of Mikhail Janowski Mikhail Janowski 4 Jeff White
Wed, 30 Nov 2016, 3:00 AM
Need help to decide server configuration Picture of Akash Dobaria Akash Dobaria 5 Howard Miller
Tue, 29 Nov 2016, 3:43 AM
Need help to decide server configuration Picture of Akash Dobaria Akash Dobaria 3 Rick Jerz
Sat, 26 Nov 2016, 9:40 PM
Difficulty using memcached to store moodle session Picture of Daniel Tran Daniel Tran 6 Daniel Tran
Sat, 26 Nov 2016, 6:04 AM
Using MySQL memcached API for Moodle session storage Picture of Chris Fryer Chris Fryer 3 Chris Fryer
Tue, 22 Nov 2016, 5:32 PM
Trim down the log database size Picture of eli chan eli chan 2 Leon Stringer
Fri, 18 Nov 2016, 5:44 PM
$CFG->wwwroot Picture of Mark Rudnicki Mark Rudnicki 1 Howard Miller
Thu, 10 Nov 2016, 2:37 PM
Cache Settings in config.php - help Picture of Noveck Gowandan Noveck Gowandan 6 Andrew Nicols
Sat, 5 Nov 2016, 10:34 PM
Help with weird PHP-FPM nginx behavior Picture of Jorge Villalon Jorge Villalon 3 Nadav Kavalerchik
Sat, 5 Nov 2016, 6:53 PM
Automated performance tests Picture of Alex Stanec Alex Stanec 2 Mathew Gancarz
Fri, 4 Nov 2016, 9:28 PM
Deploy Moodle on AWS EC2 Picture of Iman Al-Kindi Iman Al-Kindi 3 Grant Mucha
Tue, 1 Nov 2016, 3:08 AM
Performance Tuning and Load Testing Picture of Indresh Vishwakarma Indresh Vishwakarma 17 Indresh Vishwakarma
Fri, 28 Oct 2016, 7:24 PM
Rethinking email delivery from Moodle 3.2 Dan at desk in Moodle HQ, Perth Dan Poltawski 17 Michael Aherne
Thu, 27 Oct 2016, 7:37 PM
Setup Moodle with DynamoDB Picture of Liam M Liam M 2 Liam M
Fri, 21 Oct 2016, 6:48 PM
Cron Job questions Picture of Melissa Benson Melissa Benson 19 RabNawaz Panhyar
Thu, 20 Oct 2016, 4:50 PM
Moodle 2.9 with VPL very slow on windows server Picture of ashok bhansali ashok bhansali 1 Howard Miller
Wed, 19 Oct 2016, 10:25 PM
Slow Moodle performance net::ERR_INCOMPLETE_CHUNKED_ENCODING Event Monitor Picture of Joël Schmid Joël Schmid 0 Joël Schmid
Wed, 19 Oct 2016, 8:31 PM
Moodle running of Amazon EFS Picture of Christos Savva Christos Savva 6 Christos Savva
Fri, 14 Oct 2016, 2:27 PM
Hosting assignment files externally Picture of Andrew Schlussel Andrew Schlussel 2 Howard Miller
Thu, 13 Oct 2016, 4:41 PM
Slow file download and playing SCORM videos Picture of Sal Kaceli Sal Kaceli 1 Sal Kaceli
Wed, 12 Oct 2016, 8:55 PM
Hosting For Moodle ? Picture of Ashley Collins Ashley Collins 2 Rick Jerz
Wed, 12 Oct 2016, 7:10 PM
moodle server partion question Picture of Anderson Hsu Anderson Hsu 2 Howard Miller
Mon, 10 Oct 2016, 5:46 PM
Two suggestions for when you are running your load tests Tim at Lone Pine Koala Sanctuary Tim Hunt 5 Tim Hunt
Sat, 8 Oct 2016, 4:23 AM
VPS Configuration Picture of Thiago Nunes Thiago Nunes 2 Howard Miller
Fri, 7 Oct 2016, 5:41 PM
How to configure MongoDB caching? Picture of Paul L Paul L 16 Sugeng Suprayogi
Thu, 6 Oct 2016, 10:39 AM
Performance issues when updating a record in Moodle 3.0.3 Picture of Luiz Peralba Luiz Peralba 7 Luiz Peralba
Tue, 4 Oct 2016, 9:54 PM
MySQL Database Master/slave replication and other thoughts Picture of Michael Hughes Michael Hughes 16 Dmitriy Kuzevanov
Fri, 30 Sep 2016, 5:38 PM
some page content speed is slow Picture of Anderson Hsu Anderson Hsu 4 Anderson Hsu
Thu, 29 Sep 2016, 10:02 PM
Specific areas of Moodle slow, others perform fine Picture of David Nelson David Nelson 3 David Nelson
Thu, 29 Sep 2016, 8:00 AM
SCORM editing activity slow Picture of Tom Kleintjens Tom Kleintjens 0 Tom Kleintjens
Wed, 28 Sep 2016, 11:00 PM
Hardware requirements Picture of Farhad Arshad Farhad Arshad 13 Farhad Arshad
Tue, 27 Sep 2016, 5:27 AM
performance problems solved in 3.1 Picture of Dominique LALOT Dominique LALOT 4 Dominique LALOT
Mon, 26 Sep 2016, 8:31 PM
Moving from Windows to Solaris Picture of Pedro Martins De Torre Pedro Martins De Torre 8 Howard Miller
Sat, 24 Sep 2016, 5:54 PM
How to recover Moodle from server crash? Picture of Allie Justice Allie Justice 1 Howard Miller
Fri, 23 Sep 2016, 6:26 AM
Local Moodle Website - System Configuration Picture of Dhananjay Sharma Dhananjay Sharma 19 Usman Asar
Sun, 18 Sep 2016, 5:07 AM
Splitting out to have the database in its own server Picture of Tammy Moore Tammy Moore 8 Howard Miller
Sun, 18 Sep 2016, 4:08 AM
My Moodle Site is very slow ?? Picture of Phương Nguyễn Phương Nguyễn 1 Visvanath Ratnaweera
Sat, 17 Sep 2016, 1:18 PM
Moodle on Bluehost? Picture of rockerz g rockerz g 13 Rick Jerz
Tue, 13 Sep 2016, 10:32 PM
moodle connect speed Picture of Anderson Hsu Anderson Hsu 6 Anderson Hsu
Tue, 13 Sep 2016, 10:11 AM
Advice : AWS Capacity Planning for 20,000 concurrent users Picture of Sid Mad Sid Mad 13 Albert Ramsbottom
Mon, 12 Sep 2016, 11:09 PM
100 active users limit with 4vCPU Picture of Matej Zerovnik Matej Zerovnik 19 Howard Miller
Mon, 12 Sep 2016, 6:48 PM
Event Monitoring Fixed? Picture of Mark Chaney Mark Chaney 0 Mark Chaney
Wed, 7 Sep 2016, 10:49 PM
[Moodle BenchMark] Disappointing score (1945) for a two VM setup, 12 CPU and 112 GB RAM in total Picture of Daniel Tillman Daniel Tillman 5 Grant Mucha
Tue, 30 Aug 2016, 11:26 PM
[Moodle BenchMark] Need Beta-tester Picture of Mickaël PANNEQUIN Mickaël PANNEQUIN 53 Grant Mucha
Tue, 30 Aug 2016, 2:08 PM
What's the requirement specifications of a host needed to uplood moodle 3.1 with 3000 users Picture of Ahmed Samy Ahmed Samy 0 Ahmed Samy
Sun, 28 Aug 2016, 12:40 AM
Global Search with thousands of documents Picture of William Mair William Mair 0 William Mair
Fri, 26 Aug 2016, 8:25 PM
System-wide performance Picture of John D. Black John D. Black 2 Visvanath Ratnaweera
Sat, 20 Aug 2016, 2:00 PM
Purge / flush memcached_store command line Mike Wilson Mike Wilson 4 Mike Wilson
Wed, 17 Aug 2016, 11:13 PM
optimizing mysql: tmpdir on tmpfs rui Rui Ruas 2 Tomasz Muras
Sat, 13 Aug 2016, 4:50 PM
Partitioning scheme for Ubuntu Server Picture of Ryan B Ryan B 8 Howard Miller
Sat, 13 Aug 2016, 3:08 PM
Server Overload Picture of vansh gulati vansh gulati 3 Visvanath Ratnaweera
Thu, 11 Aug 2016, 6:31 PM
MySQL database halts on course management load Picture of Ulrik McArdle Ulrik McArdle 5 Ulrik McArdle
Thu, 11 Aug 2016, 6:12 PM
Has Moodle become thrifty? Picture of Visvanath Ratnaweera Visvanath Ratnaweera 23 Visvanath Ratnaweera
Mon, 8 Aug 2016, 2:49 PM
hardware and software needs for a powerfull moodle server Picture of Gonzalo Pacheco Alvarez Gonzalo Pacheco Alvarez 4 Visvanath Ratnaweera
Mon, 8 Aug 2016, 2:27 AM
Adding quiz on course error she Sheryl Villaroman 0 Sheryl Villaroman
Tue, 2 Aug 2016, 8:55 AM
Apache best MPM: Prefork, Worker or Event Picture of Naaman Fallouh Naaman Fallouh 6 Visvanath Ratnaweera
Thu, 28 Jul 2016, 8:09 PM
To host or not to host a moodle site Picture of Teresa Fryer Teresa Fryer 24 Visvanath Ratnaweera
Thu, 28 Jul 2016, 12:52 PM
Performance Tip ... shared ... Picture of Ken Task Ken Task 1 Howard Miller
Sun, 17 Jul 2016, 6:56 PM
Moodle 2 is VERY SLOW - Staff are not happy! Picture of Michael Dean Michael Dean 21 Chris Taylor
Thu, 14 Jul 2016, 10:03 PM
I AM TERRIFIED : MOODLE IS VERY SLOW ! Picture of fleu risseur fleu risseur 24 Albert Ramsbottom
Thu, 14 Jul 2016, 9:35 PM
Event Monitoring Performance Picture of Michael Hughes Michael Hughes 9 Mark Chaney
Thu, 14 Jul 2016, 5:17 PM
my platform works very slow Picture of tasos dimopoulos tasos dimopoulos 3 Howard Miller
Thu, 14 Jul 2016, 5:30 AM
Debugging Debug report.... C'est Moi.... Steve Ambro v3.1 2 Steve Ambro v3.1
Mon, 11 Jul 2016, 8:16 PM
Redundant Moodle Application Picture of Matt Polaniecki Matt Polaniecki 4 Albert Ramsbottom
Mon, 11 Jul 2016, 7:11 PM
Load Testing Picture of Graham Stone Graham Stone 5 Michael Hughes
Tue, 28 Jun 2016, 6:18 PM
Suggestion on buying used server for home use Picture of snehasis pradhan snehasis pradhan 1 Howard Miller
Mon, 27 Jun 2016, 5:03 PM
increase session_data cache size for LMS users me Billy Zwiener 0 Billy Zwiener
Sat, 25 Jun 2016, 12:47 AM
Moodle for a school with around 3000 students Picture of sushumna rao sushumna rao 6 Howard Miller
Mon, 20 Jun 2016, 8:33 PM
Problems to load the Administration Section Picture of Fabian Belledi Fabian Belledi 3 Emma Richardson
Fri, 17 Jun 2016, 8:28 PM
moodle 3.1: 10x slower than 3.0.2 Picture of Martin Alexander Martin Alexander 9 Mark Pearson
Fri, 10 Jun 2016, 12:15 AM
"Memcache" cache store what data is cached? Picture of Thorsten Bieser Thorsten Bieser 4 Thorsten Bieser
Thu, 9 Jun 2016, 8:51 PM
PHP5 32bit vs 64bit performance on windows 64 bit server Picture of Paul L Paul L 4 Paul L
Thu, 9 Jun 2016, 12:56 AM
'smallest moodle 2.3 server' Picture of George Varghese George Varghese 6 George Varghese
Wed, 8 Jun 2016, 1:58 PM
Can jMeter Testing of a Moodle - LDAP Authentication Picture of Ken Task Ken Task 3 Ken Task
Wed, 8 Jun 2016, 4:19 AM
Strange NFS problem in rare case of deleting/creating same file Picture of sam marshall sam marshall 6 Albert Ramsbottom
Thu, 26 May 2016, 6:49 PM
Session Partition full and File store path not exist Picture of R Ali R Ali 4 Just H
Sun, 22 May 2016, 7:12 PM
Opcache errors in Windows Event Viewer - how to prevent? Picture of Perry Way Perry Way 7 Usman Asar
Thu, 19 May 2016, 1:21 AM
Opcache question from NON technical user. M2.73 Picture of Dom F Dom F 13 Mark Sharp
Fri, 13 May 2016, 5:05 PM
siteidentifier is NULL Picture of Jeff White Jeff White 0 Jeff White
Thu, 12 May 2016, 11:02 PM
Partial load of Moodle pages Picture of Hittesh Ahuja Hittesh Ahuja 2 Tim Hunt
Thu, 12 May 2016, 3:23 AM
Really Slow Quiz Picture of Jessica Tranter Jessica Tranter 11 Jessica Tranter
Wed, 11 May 2016, 6:52 AM
Database read error when user try to login... Ricardo Caiado Ricardo Caiado 3 Ricardo Caiado
Wed, 11 May 2016, 5:39 AM
Login for anyone takes a long time - after upgrade Picture of David White David White 25 Howard Miller
Tue, 10 May 2016, 8:19 PM
Moodle 2.6 Apache Event MPM Picture of Juan C. Juan C. 1 Paul Verrall
Mon, 9 May 2016, 4:00 PM
How to load balancing moodle Picture of Doan Dung Doan Dung 6 Albert Ramsbottom
Mon, 9 May 2016, 3:54 PM
Adelani Adekunle - Moodle made my System slow Picture of Adelani Adekunle Adelani Adekunle 3 Adelani Adekunle
Sun, 8 May 2016, 12:58 AM
Preferred php handler for large moodle site Picture of Farhan Karmali Farhan Karmali 8 Mark Sharp
Fri, 6 May 2016, 3:31 PM
Archiving Completed Students - grades, files, results Picture of Dan Logan Dan Logan 0 Dan Logan
Fri, 6 May 2016, 9:27 AM
trying to preview in a proxy but getting some weird behavior. Is this normal of a proxy? me Billy Zwiener 0 Billy Zwiener
Sat, 30 Apr 2016, 11:59 AM
How might I go about purging huge tables/ can I delete quiz attempts PAST a certain date only? me Billy Zwiener 3 Tim Hunt
Thu, 28 Apr 2016, 6:11 AM
Crashing under increased activity... But not a lot ... 20 users maybe at the same time? me Billy Zwiener 6 Billy Zwiener
Wed, 27 Apr 2016, 9:35 AM
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