Performance Team Status Report

Project Performance-Team from 2017-10-01 to 2017-12-16

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Doing 182361 Collection Network Information API info from browsers that support it Screep None
Doing 182385 Cleanup WebPageReplay for running tests against production Elaborated Done None
Doing 170825 Performance review of LoginNotify Screep Done None
Doing 175238 Write extensive on-wiki documentation about Thumbor Screep Done None
Doing 175689 Remove X-Content-Dimensions for multipage originals Screep Done None
Doing 177073 Split the backend savetiming metric into submetrics Screep Done None
Doing 177283 Get up to speed on Edge dev/perf tools Screep Done None
Doing 178350 Provide better backend instrumentation for ResourceLoader Screep Done None
Doing 178531 Add statsd metric to WANObjectCache Screep Done None
Doing 178943 startUp() callback sometimes happen before 'mw' is defined in IE10 Screep Done None
Doing 179458 Create Herald rule to tag #Performance-Team on relevant projects Screep Done None
Doing 179622 Update our Graphite metrics for current retention rules Screep Done None
Doing 180598 NavigationTimingv2 misses mediaWikiLoadComplete Elaborated Done None
Doing 180793 Frequent "Wikimedia\\Rdbms\\DatabaseMysqlBase::lock failed to acquire lock" errors on WMF mediawiki logs Screep Done None
Doing 182200 Anonymous 3G speed indices fluctuating by 2000 on the en.wiki Barack Obama article starting on November 30th, 17:00 Screep Done None
Doing 182262 Refactor getRandom() and inSample() methods from NavigationTiming extension, add tests Screep Done None
Doing 31784 ResourceLoader: JsMinPlus is too memory hungry (memory leaks?) Screep Done None
Doing 124742 Upgrade to jQuery 3 In-Scope Done None
Doing 166199 Add metrics for master queries on HTTP GET/HEAD In-Scope Done None
Doing 166759 If possible, turn off $wgAutoloadAttemptLowercase Screep Done None
Doing 169522 Measure separate NavigationTiming metric(s) focused on Asia with higher sampling In-Scope Done None
Doing 110903 Make webperf eventlogging consumers use eventlogging on Kafka Screep Open None
Doing 181877 CSS loading sometimes delayed in Firefox; FOUC reproducibly displayed Screep Open None
Doing 151466 Performance Q2 2017/18 goal: Install and use mcrouter in deployment-prep Screep Open None
Doing 153048 Write blog post about the "hidden browser tabs incident" In-Scope Open None
Doing 180667 Collect RUMSpeedIndex from users Screep Open None
Doing 180766 Make MediaWiki profiler in Beta match production Screep Open None
Doing 169144 Serve thumb.php requests with Thumbor Screep Open None
Doing 178559 Chrome 62 performance regression Screep Open None
Doing 88445 MediaWiki active/active datacenter investigation and work In-Scope Open None
Doing 171071 Perform testing for TLS effect on connection rate Screep Open None
Doing 181315 load.php response taking 160s (of which only 0.031s in Apache) Screep Open None
Doing 175239 Write a guide on how to test performance locally before pushing changes Screep Open None
Doing 179555 Investigate 60% drop in Navigation Timing report rate Elaborated Open None
Doing 176361 Run performance tests using local proxy In-Scope Open None
Doing 181413 Refactor NavigationTiming extension so that it can be used to oversample based on criteria Screep Open None