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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
	Change filedir folder. Locked	Oh ByeongJoo 14 Apr 2015	Oh ByeongJoo 14 Apr 2015	0
	Moodle based on Postgres-XC Locked	David Paniagua Ruano 2 Mar 2015	David Paniagua Ruano 2 Mar 2015	0
	Newbie ? - Short video clip storage Locked	Tim Edsell 6 Feb 2015	Tim Edsell 6 Feb 2015	0
	Slow cronjobs in 2.7 vs 2.6 Locked	Ellio Mourinho 21 Jan 2015	Ellio Mourinho 21 Jan 2015	0
	longest Latency Locked	Paul Wakelam 7 Dec 2014	Paul Wakelam 7 Dec 2014	0
	add a link in administration with php code Locked	abbaspour abbaspour 30 Nov 2014	abbaspour abbaspour 30 Nov 2014	0
	Proposal to turn on quiz auto-save by default Locked	Tim Hunt 7 Oct 2014	Tim Hunt 7 Oct 2014	0
	hardware required for 500 concurrent users in aws Locked	Trilok Veeranki 2 Oct 2014	Trilok Veeranki 2 Oct 2014	0
	mod_fcgid: error reading data from FastCGI server Locked	Filippo Carnevali 26 Sept 2014	Filippo Carnevali 26 Sept 2014	0
	If anyone else having performance problems with Locally assigned roles Locked	Tim Hunt 25 Sept 2014	Tim Hunt 25 Sept 2014	0
	Is Opcache enough the improve performance of a Moodle 2.6 site? Locked	Mari Cruz García 25 Sept 2014	Mari Cruz García 25 Sept 2014	0
	Problem with Google SSO Locked	amarnath Kamepalli 18 Sept 2014	amarnath Kamepalli 18 Sept 2014	0
	Moodle 2.7 running on virtual server with 1Gbyte RAM Locked	Gary Lebowitz 5 Sept 2014	Gary Lebowitz 5 Sept 2014	0
	Open in new window Scorm loads but does not open Locked	Ricardo Plácido 29 Aug 2014	Ricardo Plácido 29 Aug 2014	0
	Single Sign On for different Moodle instances Locked	Kristina Ban 27 Aug 2014	Kristina Ban 27 Aug 2014	0
	posqresql update Locked	joel Green 16 July 2014	joel Green 16 July 2014	0
	Problems with MongoDB for application cache? Locked	Colin Campbell 6 July 2014	Colin Campbell 6 July 2014	0
	Drag and Drop lag Locked	Acs Gabor 19 June 2014	Acs Gabor 19 June 2014	0
	finding function Locked	srikanth raju 13 June 2014	srikanth raju 13 June 2014	0
	synchronising dataroot using unison between web servers Locked	Gerry Hall 27 Apr 2014	Gerry Hall 27 Apr 2014	0
	problem in site registration Locked	Avi Levy 24 Apr 2014	Avi Levy 24 Apr 2014	0
	MUC performance information in a Windows 2008-IIS7 server Locked	Mari Cruz García 25 Mar 2014	Mari Cruz García 25 Mar 2014	0
	Moodle 2.5 Templates Locked	Chase Brown 15 Feb 2014	Chase Brown 15 Feb 2014	0
	AGILIZACION DEL SISTEMA DE MATRICULA Locked	joseph smith 8 Feb 2014	joseph smith 8 Feb 2014	0
	Performance with Ajax Locked	Daniel Lombardo 30 Nov 2013	Daniel Lombardo 30 Nov 2013	0
	Is Moodle 2.5.2+ faster than 2.5.1+ ? Locked	Rick Jerz 16 Oct 2013	Rick Jerz 16 Oct 2013	0
	Health Tool Locked	Rory Peacock 14 Oct 2013	Rory Peacock 14 Oct 2013	0
	Can I built moodle site with EasyPHP+windows server2003+moodle2.5.2 Locked	rui zeng 10 Oct 2013	rui zeng 10 Oct 2013	0
	Moodle performance in hosted environement Locked	Alan Kmiecik 30 Sept 2013	Alan Kmiecik 30 Sept 2013	0
	play video in mobile not play Locked	laww m 29 Sept 2013	laww m 29 Sept 2013	0
	Moodle 2.5.2 for Windows loading very slow Locked	Pippo Pioppo 27 Sept 2013	Pippo Pioppo 27 Sept 2013	0
	Plugin Error Locked	Freddie Batista 27 Sept 2013	Freddie Batista 27 Sept 2013	0
	Unofficial (?) preview of Moodle 2.6 performance Locked	Justin Filip 27 Sept 2013	Justin Filip 27 Sept 2013	0
	How to (really) delete fake accounts? Locked	David Dunn 19 Sept 2013	David Dunn 19 Sept 2013	0
	Server suddenly uses all memory resources. Locked	Arnold Lamont 9 Sept 2013	Arnold Lamont 9 Sept 2013	0
	Super slow site Locked	Eugene Voevodin 6 Sept 2013	Eugene Voevodin 6 Sept 2013	0
	Moodle causing httpd service to hog CPU Locked	Ash Roach 22 Aug 2013	Ash Roach 22 Aug 2013	0
	moodle 2.5 performance Locked	Sanjay Pandey 6 Aug 2013	Sanjay Pandey 6 Aug 2013	0
	Moodle 2.51 clean install much slower than Moodle 2.3.2 clean install Locked	Sam Mudle 5 Aug 2013	Sam Mudle 5 Aug 2013	0
	Moodle 2.5.1 running slow on any machine I use Locked	Sergiu Lazarescu 1 Aug 2013	Sergiu Lazarescu 1 Aug 2013	0
	Performance issue over WAN Locked	vedkumar gupta 26 July 2013	vedkumar gupta 26 July 2013	0
	Training deployment in Moodle Locked	Kaustav Pramanik 25 July 2013	Kaustav Pramanik 25 July 2013	0
	Using SPDY with Moodle? Locked	David Scotson 26 June 2013	David Scotson 26 June 2013	0
	Hardware and Performance Locked	Junaid Vindhani 10 June 2013	Junaid Vindhani 10 June 2013	0
	Where to start choosing a server spec for moodle 2.# Locked	Tom Moseley 5 June 2013	Tom Moseley 5 June 2013	0
	increasing speed of searching courses Locked	Vijay N 20 May 2013	Vijay N 20 May 2013	0
	Which organization for keeping a good response time ? Locked	vouty - 4 Apr 2013	vouty - 4 Apr 2013	0
	LOADING QUESTIONS: Error writing to database Locked	john mark almarez 25 Mar 2013	john mark almarez 25 Mar 2013	0
	Disable logging Locked	Mike Algozzine 14 Mar 2013	Mike Algozzine 14 Mar 2013	0
	Problem with uploading SCORM package to Moodle 2.4.1 platform Locked	Gary Lebowitz 9 Mar 2013	Gary Lebowitz 9 Mar 2013	0
	High availability - MySQL cluster v's replication (II) Locked	Moo pin 22 Jan 2013	Moo pin 22 Jan 2013	0
	driver oci8 for Oracle Locked	Esteban Sánchez 15 Nov 2012	Esteban Sánchez 15 Nov 2012	0
	mod_bwshare setting for moodle Locked	Frank B 25 Oct 2012	Frank B 25 Oct 2012	0
	Moodle Performance Test on JMeter Locked	Elavarasan MS 1 Oct 2012	Elavarasan MS 1 Oct 2012	0
	MySQL queries monitor for Moodle Locked	Alexander Holsteinson 5 May 2012	Alexander Holsteinson 5 May 2012	0
	Survey for Moodle system administrators Locked	Visvanath Ratnaweera 21 Jan 2012	Visvanath Ratnaweera 21 Jan 2012	0
	UK Based VPS Recommendations Locked	Phil Nichols 19 Oct 2011	Phil Nichols 19 Oct 2011	0
	perfparse.pl updated to support Moodle 2.x Locked	Dan Poltawski 30 Sept 2011	Dan Poltawski 30 Sept 2011	0
	Quick Question: cURL Cache Locked	Deleted user 27 Sept 2011	Deleted user 27 Sept 2011	0
	Performance tuning Moodle on Windows/IIS with Output Caching Locked	Luis de Vasconcelos 22 Sept 2011	Luis de Vasconcelos 22 Sept 2011	0
	Hardware requirement for moodle Locked	Azmat Ullah 15 Sept 2011	Azmat Ullah 15 Sept 2011	0
	Database size / performance - Moodle 2.0.2 Locked	Class Virtual 14 Sept 2011	Class Virtual 14 Sept 2011	0
	Move database to new server (?SAN?) Locked	steve farrow 12 Aug 2011	steve farrow 12 Aug 2011	0
	Problem with Module Auth is not readable, check ... Locked	marcos2 silva2 27 July 2011	marcos2 silva2 27 July 2011	0
	Teaching via satellite with Moodle and Moodle video server Locked	Gianfranco Picozzi 20 June 2011	Gianfranco Picozzi 20 June 2011	0
	php register long arrays Locked	Heather P 13 June 2011	Heather P 13 June 2011	0
	Installation of Language Lab on Moodle Locked	CL Winans 14 May 2011	CL Winans 14 May 2011	0
	Past Moodle Backup Logs Locked	Donna Hrynkiw 2 Apr 2011	Donna Hrynkiw 2 Apr 2011	0
	Yea.. More sessions questions. Locked	sakai user 23 Dec 2010	sakai user 23 Dec 2010	0
	Hardware requirement Locked	Daniel Tan 15 Nov 2010	Daniel Tan 15 Nov 2010	0
	uploaduser.php performance - can it be improved? Locked	Stewart Hutton 14 Nov 2010	Stewart Hutton 14 Nov 2010	0
	Server Alert Locked	Jon Fila 7 Oct 2010	Jon Fila 7 Oct 2010	0
	MOODLE fail to load styles.php over wireless Locked	chris john 30 Sept 2010	chris john 30 Sept 2010	0
	Intel Atom D510 as Dedicated Server? Locked	James Nolan 20 Sept 2010	James Nolan 20 Sept 2010	0
	javascript error in ie7 on the first page of the site Locked	Irith Herman 27 Aug 2010	Irith Herman 27 Aug 2010	0
	noob question : How to increase the extra php memory ? Locked	Mireille Raad 9 June 2010	Mireille Raad 9 June 2010	0
	Moodle 1.9.7 and Clustering Locked	Noveck Gowandan 27 Mar 2010	Noveck Gowandan 27 Mar 2010	0
	How do I turn logging off? Locked	Bill Parsons 18 Feb 2010	Bill Parsons 18 Feb 2010	0
	Cache type setting under performance Locked	Doris Johnson 16 Feb 2010	Doris Johnson 16 Feb 2010	0
	How many students/participants will moodle hold for a continued ongoing course? Locked	Kimberly Dawn 13 Jan 2010	Kimberly Dawn 13 Jan 2010	0
	easy data upload Locked	Tomislav Negulić 12 Jan 2010	Tomislav Negulić 12 Jan 2010	0
	Any limits on gradebook export? Locked	Ebenezer Le Page 12 Jan 2010	Ebenezer Le Page 12 Jan 2010	0
	Cloud Sites (Hosting) with Rackspace? Locked	William Tan 14 Dec 2009	William Tan 14 Dec 2009	0
	New section in the coding guidelines about performance Locked	Tim Hunt 26 Nov 2009	Tim Hunt 26 Nov 2009	0
	Serious SQL query performance problem with table mdl_grade_grades Locked	Marcelo Lopes 26 Nov 2009	Marcelo Lopes 26 Nov 2009	0
	501 Internal Errors w/ Upload and Download Locked	Daniel Chuhta 24 Nov 2009	Daniel Chuhta 24 Nov 2009	0
	phpxref cannot get past output_dir problem Locked	HJWUCGA INC. 19 Nov 2009	HJWUCGA INC. 19 Nov 2009	0
	Very slow on localhost on my PC Locked	Kev Richards 14 Nov 2009	Kev Richards 14 Nov 2009	0
	Location of sessions, cache, and temp Locked	Nate Baxley 2 Nov 2009	Nate Baxley 2 Nov 2009	0
	Hosting Server Storage limited Locked	Philip Nugent 22 Oct 2009	Philip Nugent 22 Oct 2009	0
	moodle e dispositivos móveis Locked	everton santos 30 Sept 2009	everton santos 30 Sept 2009	0
	Concurrent user testing tools or methodology Locked	HJWUCGA INC. 4 Sept 2009	HJWUCGA INC. 4 Sept 2009	0
	scalable architecture for moodle Locked	robert ngo 1 Sept 2009	robert ngo 1 Sept 2009	0
	problems with PHP and eAccelerator installed from yum Locked	Thomas Haines 24 Aug 2009	Thomas Haines 24 Aug 2009	0
	problem in pages loading Locked	sajad khadem nejad 26 July 2009	sajad khadem nejad 26 July 2009	0
	Site Import Problems Locked	Keith Wills 24 July 2009	Keith Wills 24 July 2009	0
	FastCGI and Threadsafe Locked	Chris Williams 23 July 2009	Chris Williams 23 July 2009	0
	Proxy balancer and stickysession value Locked	Bko 83 21 July 2009	Bko 83 21 July 2009	0
	Moodle + Gzip or ob_gzhandler Locked	Genner Cerna 10 July 2009	Genner Cerna 10 July 2009	0
	Read/Write splitting of DB operations Locked	Jai Gupta 4 July 2009	Jai Gupta 4 July 2009	0