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Tasks By Project

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Project: Performance Issue

Switch to Active Tasks 69 Phabricator task(s).

Phabricator Link Wiki Link Status Priority Author Assignee Projects Subtasks Parent Tasks
T103429 T103429: Investigation: Parser save hook handler does master writes in GETs resolved High (red)
    T104650 T104650: Revision API cannot be cached in varnish when requested by a user with deletedtext or similar rights open Needs Triage (violet)
      T110612 T110612: Spike: Does HTML minification gain us anything? declined Low (yellow)
        T110613 T110613: Strip certain HTML markup from the DOM e.g. navboxes declined Low (yellow)
        T111266 T111266: Make LoadBalancer slave lag check and read-only mode more robust (for example, using pt-heartbeat) resolved High (red)
        T118028 T118028: Consider using URL compression with pre-defined dictionary to shorten URLs; possibly use this instead of RESTBase POST storage declined Low (yellow)
          T119612 T119612: Consider a serialization that supports random access for storage in the DB for Wikidata open Lowest (sky)
            T119637 T119637: Update HHVM package to recent release resolved High (red)
            T119648 T119648: Fix getLagFromPtHeartbeat() to use the pt entry for the root master, not the immediate one resolved Low (yellow)
              T119689 T119689: Enable $wgCentralAuthUseSlaves to avoid master queries resolved Medium (orange)
                T124959 T124959: Remove `navboxes` from HTML in mobile web beta and show the impact resolved Medium (orange)
                T125894 T125894: Measure stripping HTML from stable channel and check it's consistent with results in beta resolved Medium (orange)
                  T127140 T127140: Spike: Investigate high TTFB for page views in mobile skin declined Medium (orange)
                    T127883 T127883: Enable lazy loaded images for 50% of users in production declined Medium (orange)
                    T129467 T129467: HHVM 3.12 has a race-condition when starting up resolved High (red)
                      T129682 T129682: Look into solutions for replaying traffic to testing environment(s) open Medium (orange)
                        T133385 T133385: Implement GTID replication on MariaDB 10 servers resolved Medium (orange)
                          T135170 T135170: Require POST in ?action=purge resolved Needs Triage (violet)
                          T154750 T154750: Mobile mentions should link to mobile view and not desktop view duplicate High (red)
                            T160984 T160984: Reduce max execution time of interactive queries or a better detection and killing of bad query patterns resolved High (red)
                              T165068 T165068: Parser::braceSubstitution() recreates new RequestContext and calls RequestContextCreateSkin twice open Medium (orange)
                                T178278 T178278: Performance test the service resolved High (red)
                                  T201801 T201801: Improve TitleValue, TitleFactory, TitleParser performance to be on-par with Title resolved Needs Triage (violet)
                                    T204669 T204669: Slow access to Special:Contributions on mediawiki.org (due to enabling actor table WRITE_BOTH mode) resolved High (red)
                                      T206498 T206498: MediaWiki needlessly queries page data twice on page views open Low (yellow)
                                      T214054 T214054: Stress test ORES/kubernetes (above 4.5k scores/second) stalled Low (yellow)
                                        T221458 T221458: Special:Log on commons -- entire web request took longer than 60 seconds and timed out resolved Unbreak Now! (pink)
                                          T221511 T221511: Possible full scan query ApiQueryUserContribs::execute for revision_actor_temp table on commonswiki resolved Needs Triage (violet)
                                            T222966 T222966: > 2% of API wall time spent generating UUIDs resolved Medium (orange)
                                              T223151 T223151: Review special replica partitioning of certain tables by `xx_user` resolved Medium (orange)
                                              T223315 T223315: Make it possible to mass-clear via Special:EditWatchlist without job queue open Low (yellow)
                                                T232182 T232182: Parsoid/PHP performance benchmarking on scandium / eqiad cluster resolved Medium (orange)
                                                  T233179 T233179: Use ExternalStoreAccess::fetchFromURLs in blobStore::getBlobBatch open Needs Triage (violet)
                                                    T234450 T234450: Special:Contributions requests with a high &limit= caused excessive database load resolved Low (yellow)
                                                    T235011 T235011: API query times out open Low (yellow)
                                                      T235265 T235265: Slow query on SpecialMostLinked creating lag on wikidata slaves resolved Needs Triage (violet)
                                                        T237026 T237026: Page creation log cannot be viewed from oldest records, Fatal: "execution time limit of 60 seconds was exceeded" resolved Needs Triage (violet)
                                                          T237430 T237430: Add object caching and PoolCounter to minor edit count endpoint resolved High (red)
                                                            T240405 T240405: WikiPage::updateCategoryCounts causing replication lag due to long-running writes on commonswiki resolved Medium (orange)
                                                              T240418 T240418: Slow query on arwiki for ApiQueryUserContribs::execute resolved Needs Triage (violet)
                                                                T241837 T241837: WMFTimeoutException on Commons for WhatLinksHere resolved High (red)
                                                                  T244058 T244058: Strategy for storing parser output for "old revision" (Popular diffs and permalinks) resolved High (red)
                                                                  T244254 T244254: ApiQueryExtLinksUsage::run needs tuning resolved Needs Triage (violet)
                                                                    T244533 T244533: Slow query taking up to 60 seconds to run IndexPager::buildQueryInfo (NewFilesPager) resolved Needs Triage (violet)
                                                                      T244569 T244569: SpecialRecentChanges::doMainQuery needs tuning open Medium (orange)
                                                                        T245492 T245492: Slow query: IndexPager::buildQueryInfo (MediaWiki\Linter\LintErrorsPager) open Needs Triage (violet)
                                                                          T24559 T24559: wikidiff2 is extremely slow with tall/vertical input declined Medium (orange)
                                                                            T247028 T247028: Database 'INSERT' query rate doubled (module_deps regression?) resolved High (red)
                                                                              T247167 T247167: $wgDBservers does not always equally distribute load declined Needs Triage (violet)
                                                                                T250444 T250444: Deprecate and remove Parser::firstCallInit() open Needs Triage (violet)
                                                                                  T250527 T250527: Consider enabling max_statement_time on all production DB servers to limit impact of bad queries declined High (red)
                                                                                    T254688 T254688: SpecialWhatLinksHere::showIndirectLinks on wikidatawiki needs optimizing resolved Medium (orange)
                                                                                      T258097 T258097: A long babel execution causes a PHP OoM error duplicate Needs Triage (violet)
                                                                                        T260232 T260232: BatchRowIterator slow query on commonswiki resolved High (red)
                                                                                          T260997 T260997: Linker::getRollbackEditCount queries are forced into a suboptimal execution plan due to index forcing resolved Needs Triage (violet)
                                                                                            T263220 T263220: Limit concurrency of DPL queries open High (red)
                                                                                            T265204 T265204: /page/{title}/links/media returns 500 error when more than 100 media files present open Medium (orange)
                                                                                              T268075 T268075: Enable caching for old revisions in production resolved Needs Triage (violet)
                                                                                                T274041 T274041: Investigate performance impact of HookRunner.php loading 500+ interfaces open Medium (orange)
                                                                                                  T277084 T277084: Speed up MediaSearch results declined Needs Triage (violet)
                                                                                                    T278263 T278263: Consider caching for the Image Suggestions service open Needs Triage (violet)
                                                                                                      T287859 T287859: Creating an election with "all wikis" can give a DBTransactionSizeError resolved High (red)
                                                                                                        T297236 T297236: timeouts and memory limits on translatewiki.net open Unbreak Now! (pink)
                                                                                                          T50483 T50483: Expose a parsoid public web API end point in the MediaWiki API resolved Medium (orange)
                                                                                                          T54936 T54936: Move data-parsoid and possibly data-mw out of the DOM, add uids resolved High (red)
                                                                                                          T71222 T71222: list=logevents slow for users with last log action long time ago resolved Medium (orange)
                                                                                                            T85244 T85244: Evaluate TAssembly for UI messages declined Low (yellow)
                                                                                                              T90001 T90001: Evaluate folding msg_resource and msg_resource_links tables into objectcache duplicate Low (yellow)
                                                                                                                T97096 T97096: API requests are not cached for logged-in users unless uselang is set explicitly open High (red)


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