This page is the general hub to coordinate everything related to performance in Tiki. There are quite a few options in tiki-admin.php?page=performance Minify, Memcached , XCache, APC, etc.

Todo

SVG-edit code is not minified
CodeMirror code is not minified
Filtering Best Practices picking the right filters improves performance
Sprite Generator
~~Re-save all images in Tiki package to make them lighter.~~ Done for Tiki13
grinder may be used for load-testing -Dave Thacker

Wishlist

Open

Rating	Subject	Submitted by	Importance	Easy to solve?	Priority	Category	Created	LastModif	Comments
(0)	http://tiki.org/tiki-admin.php?page=performance OpCache has run out of memory	Marc Laporte	8	8	64	Dogfood on a *.tiki.org site	2014-07-30	2014-07-30	0
(0)	php console.php cache:clear --all has no effect	Marc Laporte	7	8	56	Error Regression	2014-04-26	2014-04-26	1 jonnybradley-18 Nov 20
(0)	TikiWiki Performance issue with Azure website	upsafety	10 high		50	Support request	2014-10-01	2014-10-01	5 koth-02 Oct 14
(0)	(2.2) Invalid offset in lib/tikilib.php : 6193 (when dealing with cached pages)	jhamell	1 low		5	Error	2009-02-04	2009-02-04	0
(0)	doc.t.o: memcachepool.set SERVER_ERROR object too large for cache lib/cache/memcachelib.php	Xavier de Pedro	7	7	49	Error Community projects Dogfood on a *.tiki.org site	2014-03-18	2014-03-18	0
(1)	Error just after profile is applied: Cache file temp/cache/modulexxx is not writable	Xavier de Pedro	6	8	48	Usability Regression Bug	2019-07-06	2019-07-06	0
(0)	HTTP headers incorrect	Wiebe	5	9	45	Consistency	2019-02-14	2019-09-24	0
(0)	6.7 LTS: Possible security threat: Logging into Wiki A as admin may raise your privilege level in Wiki B	hman	7	6	42	Error Feature request	2012-05-21	2012-06-01	0
(0)	Read-only mode (ex.: when migrating a Tiki to a new server and you want the old one to still show content but not have edits)	Marc Laporte	8	5	40	Feature request	2011-11-28	2013-11-13	2 marclaporte-27 Mar 17
(0)	Cached images are broken on themes.tw.o (feature broken?)	Xavier de Pedro	6		30	Error Dogfood on a *.tiki.org site	2008-12-04	2008-12-04	0
(0)	Deeply nested large file galleries slow to a crawl when file browsing	liquidape	5		25	Usability Support request	2008-10-01	2009-08-30	1 SEWilco-12 Feb 09
(0)	Activating plugins doesn't invalidate cache and thus, plugin help doesn't appear on next page edit		5		25	Dogfood on a *.tiki.org site Consistency Conflict of two features (each works well independently)	2009-05-04	2009-05-04	0
(0)	Using Wiki cache can show the wrong language to other users	Marc Laporte	5	5	25	Conflict of two features (each works well independently)	2012-10-13	2013-10-28	0
(0)	Supply Page Last Modifyed Information	drsassafras			25	Feature request	2014-04-28	2014-04-28	0
(0)	14.x: codemirror (amb mayeb other js?) stops working when pref tiki minify late js files is enabled	Xavier de Pedro	5	5	25	Regression	2015-04-10	2015-04-10	0
(0)	Is there a way to make tikiwiki faster without throwing more expensive compute resources at it	Kevin Doyle	5	5	25	Usability	2023-11-15	2023-11-15	3 Bsfez-25 Nov 23
(0)	Improve page load times by not loading unused CSS and Javascript (e.g., elfinder.js, code_mirror.js, etc.)	Aris Bernotas	6	2	12	Usability Feature request	2023-04-18	2023-04-18	12 aris002-21 Apr 23
(0)	Check & report broken links	Marc Laporte	5	2	10	Feature request Dogfood on a *.tiki.org site	2006-03-28	2021-10-10	1 Bsfez-10 Oct 21
(0)	Annotations: doesn't work well with wiki page cache	Marc Laporte	2		10	Conflict of two features (each works well independently)	2008-12-14	2008-12-14	0
(0)	tiki-admin_system.php -> the stats are all wrong and should show only 1 langue if not i18n site		2		10	Error	2009-04-14	2009-04-14	0

«
1 (current)
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Pending

Rating	Subject	Submitted by	Importance	Easy to solve?	Priority	Category	Created	LastModif	Comments
(0)	_categorized-Permissions cannot be assigned when upgrading from 1.9 to 1.10 - cache problem	sitko	5		25	Error	2008-03-17	2008-03-17	0
(0)	smarty template cache path exceeding maximum lenght	CAPSLOCK2000	2		10	Error	2005-11-09	2021-09-30	2 Bsfez-30 Sep 21
(0)	Tracker list plugin cache is showing a hash	Marc Laporte	5		25	Error Dogfood on a *.tiki.org site	2008-01-28	2008-01-28	0
(0)	Dogfood Unified search (Zend_Search_Lucene) on doc.t.o, dev.t.o, profiles.t.o	Marc Laporte	7		35	Error Dogfood on a *.tiki.org site	2012-01-26	2012-11-03	0
(0)	Console cache:clear command creates files as the current user	Jonny Bradley	8	7	56	Regression	2020-11-18	2021-07-29	4 mikeua-30 Jul 21

Closed

Rating	Subject	Submitted by	Importance	Easy to solve?	Priority	Category	Volunteered to solve	Created	LastModif	Comments
(0)	Add memcached support, with admin panel		8		40	Feature request Patch		2009-08-29	2009-12-24	0
(0)	Improve YSlow scores		8		40	Feature request Patch Dogfood on a *.tiki.org site		2009-08-30	2010-07-01	1 marclaporte-01 Jul 10
(0)	Blocking query in trackers code	amette	9 high		45	Error Dogfood on a *.tiki.org site		2009-06-05	2011-09-17	4 koth-11 Nov 09
(0)	Long table truncated when presented as (cached)	Bernard Sfez / Tiki Specialist	6		30	Error	sylvieg	2006-08-10	2021-10-11	1 Bsfez-11 Oct 21
(0)	On a new installation (existing db updated) tiki clearing cache fail due to files permissions	Bernard Sfez / Tiki Specialist	5	5	25	Regression		2020-09-29	2020-10-07	2 Bsfez-29 Sep 20
(0)	setup.sh create unusable tikiwiki website if cache is full!	caliwebman			25	Usability		2009-07-12	2012-11-03	1 marclaporte-12 Jul 09
(0)	Banner cache is not cleared when using 'Clear all Tiki caches' feature	Carsten Schmitz	5	9	45	Usability		2012-02-10	2013-07-09	0
(0)	PHP ERRORS and NOTICES using 5.2.6	Geoff Brickell	4		20	Error		2008-10-19	2013-06-15	1 Chealer9-30 Aug 09
(0)	wiki parsing processes inefficiently much and maybe even insecure	Gergely	9 high		45	Error		2010-08-18	2010-08-19	4 Gergely-20 Aug 10
(0)	Cache not clearing in Tiki6	guytebbutt	5		25	Error		2010-12-02	2011-05-21	3 guytebbutt-19 Jan 11
(0)	Accessive Categories Slows Down Performance	John Morris	7		35	Usability		2017-04-12	2017-05-02	9 jmorris-02 May 17
(0)	Minify JS broken if JS CDN in use	Jonny Bradley	9	5	45	Regression Release Blocker		2015-04-17	2015-04-25	4 WolfgangA-25 Apr 15
(0)	Menu cache problem	Javier Reyes	4		20	Error	Javier Reyes	2005-11-26	2021-09-30	2 Bsfez-30 Sep 21
(0)	Tracker item list not refreshing after changes	Nelson Ko	6		30	Error	Nelson Ko	2007-08-11	2013-10-20	0
(0)	virtual wikis seem to share cache for groups and categories drop down lists	Michel Van Eeckhout	4		20	Usability		2007-04-13	2021-10-20	1 Bsfez-20 Oct 21
(0)	Fixed HTTP Expires Header is in year 1981	lkordix	7	4	28	Error		2013-10-08	2013-10-19	0
(0)	New "cache" section or admin panel	Marc Laporte	8		40	Feature request	luciash d' being 🧙	2007-01-05	2009-09-29	0
(0)	User tasks on dev.tikiwiki.org is mega slow (60+ seconds for some operations)	Marc Laporte	3	5	15	Error		2007-08-13	2021-10-28	2 Bsfez-28 Oct 21
(0)	output handler 'ob_gzhandler' cannot be used after 'URL-Rewriter' in tiki-setup.php on line 1890	Marc Laporte		5	25	Error		2007-08-15	2020-02-26	1 drsassafras-26 Feb 20
(0)	svn: Working copy 'temp/cache' is missing or not locked	Marc Laporte	7		35	Error Community projects		2008-07-13	2010-01-15	0

[+]

Also

https://sourceforge.net/tracker/index.php?func=detail&aid=902503&group_id=64258&atid=506846

2010-01-26 profiling on Tiki trunk (Tiki5)

Lessons learned from

LPH did some profiling on several DBs that were sent in and proceeded to several performances commits. The lesson is that most problems caused by poor server config. Improvements to the admin panel were made to help admins configure their server properly. (ex.: having enough memory for xCache)

alias