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)	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)	TikiWiki Performance issue with Azure website	upsafety	10 high		50	Support request	2014-10-01	2014-10-01	5 koth-02 Oct 14
(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
(0)	Supply Page Last Modifyed Information	drsassafras			25	Feature request	2014-04-28	2014-04-28	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)	Newsletters not being sent out normally if Gzip output is enabled	calport	2		10	Conflict of two features (each works well independently)	2012-05-08	2012-05-08	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)	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)	HTTP headers incorrect	Wiebe	5	9	45	Consistency	2019-02-14	2019-09-24	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)	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
(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)	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)	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)	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)	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)	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)	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)	(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

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Pending

Rating	Subject	Submitted by	Importance	Easy to solve?	Priority	Category	Created	LastModif	Comments
(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)	_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)	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
(1)	Rebuilding index stats: add Execution time, Memory usage and number of Queries	Marc Laporte	9	9	81	Feature request Indexing	Nelson Ko	2013-10-25	2016-10-12	1 marclaporte-12 Oct 16
(0)	CodeMirror doesn't minify like everything else does	Marc Laporte	2	4	8	Conflict of two features (each works well independently)		2014-08-10	2016-12-09	0
(0)	jquery-migrate.min.map 404 and jquery.min.map 404 (Not Found)	Marc Laporte	3	2	6	Error	Nelson Ko	2013-09-07	2013-11-03	2 marclaporte-20 Oct 13
(0)	Add support for Optimizer+ stats in the performance admin panel	Marc Laporte	7	8	56	Feature request		2013-06-04	2013-10-31	0
(0)	UI not visible to Upload video via Kaltura	upsafety	10 high		50	Support request		2014-10-01	2014-10-01	0
(0)	dev.tw.o: Sorting items from trackerlist plugin doesn't work for anons due to cache issue	Marc Laporte	1 low		5	Feature request Dogfood on a *.tiki.org site Conflict of two features (each works well independently)		2009-11-25	2013-06-06	0
(0)	cdn domain should redirect to non cdn domain, for non static content	Marc Laporte	1 low		5	Error		2010-04-11	2011-01-06	0
(0)	Solved: Multiple domains to single site modules in the wrong place	pqlug	1 low		5	Usability		2012-01-07	2012-11-03	1 marclaporte-03 Nov 12
(0)	Pollution of URLs by sending relative links to inexisting subdirectories	Marc Laporte	7	7	49	Error Conflict of two features (each works well independently)	Nelson Ko	2012-10-16	2013-10-28	1 marclaporte-29 Jan 13
(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)	Minify and cache js and css files, with an admin panel to refresh	Marc Laporte	9 high		45	Feature request Patch		2009-08-29	2013-06-05	1 marclaporte-19 Nov 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)	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)	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)	New "cache" section or admin panel	Marc Laporte	8		40	Feature request	luciash d' being 🧙	2007-01-05	2009-09-29	0
(0)	Tracker Limitation of 3000-5000 entries or File Gallery	tapos	8		40	Feature request		2009-03-23	2011-05-21	1 marclaporte-21 May 11
(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)	Tracker performance improvements	Xavier de Pedro	8		40	Usability Support request Dogfood on a *.tiki.org site	Marc Laporte	2010-01-14	2010-03-31	0
(0)	lib/jquery_tiki/tiki-maps.js is loaded even if maps are not used	Marc Laporte	4	10 easy	40	Regression		2014-07-29	2017-10-23	4 Bsfez-23 Oct 17

[+]

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