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Spike: Investigate high TTFB for page views in mobile skin
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TTFB appears to take 4-5s for the Barack Obama article on the beta cluster and production for a 2G connection.
I'd like to understand where the server side work is happening to make this so high as this accounts for the majority of first paint time.

Duration: 4hrs
Output: report (preferably for beta cluster environment) listing where time in code is spent organised by function.

Event Timeline

Jdlrobson raised the priority of this task from to High.
Jdlrobson updated the task description. (Show Details)

Is this a new perf regression relative to some time in the past? Is it only on cache misses?

@BBlack nothing new just keen to understand where all the processing is happening to identify ways to improve it.

Here's a profiled request of :

Note that this was captured on mw1017, which is configured for very verbose logging, so the time spent in logging-related code is inflated.

Jdlrobson lowered the priority of this task from High to Medium.Jun 1 2016, 9:46 PM
Jdlrobson updated the task description. (Show Details)

Doesn't look like there is anything actionable here.