[Wikidata-bugs] [Maniphest] [Commented On] T177311: 2% of /w/load.php spent in WebStart/onBeforeCreateEchoEvent for Wikibase

[Krinkle]

Krinkle added a comment.

The above flame graph is from HHVM profiling samples over 24 hours from production traffic. While useful to see the overall impact on average, it does not provide timings (due to being sampled). Here two profiles from XHGui for an individual request (including flamegraph).

https://performance.wikimedia.org/xhgui/run/flamegraph?id=59d4a63a3f3dfacf5d63a6ab (total: 1.3s)

• EchoNotificationsHandlers::onBeforeCreateEchoEvent (111ms, 8%)

https://performance.wikimedia.org/xhgui/run/flamegraph?id=59d4a5ef3f3dfacf5daf6f40 (total: 45s)

• EchoNotificationsHandlers::onBeforeCreateEchoEvent (231ms, 1%)

TASK DETAIL

https://phabricator.wikimedia.org/T177311

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To: Krinkle
Cc: aude, thiemowmde, Krinkle, Aklapper, GoranSMilovanovic, QZanden, Vali.matei, Izno, Wikidata-bugs, Mbch331

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