Clarification around data.days entries

[Robert Kaiser]

Richard Newman schrieb:
> Fennec records sessions when they *finish*, but attributes them 
> retrospectively to the date on which the session began. 

Just out of interest, does that mean the currently open session is 
always missing? What about ones that have been unexpectedly terminated, 
do we detect and record those correctly?

> I expect multi-day sessions to be rare enough to be ignorable.

I'd not be so sure there. With the current habits of never explicitely 
closing apps on phones (you even need to know how you can do that if you 
actually want it) and not turning off phones over night, we can easily 
get into the browser never closing unless it's killed by the OOM killer, 
which might be rare on high-end devices (basically never happens on my 
Nexus 10 tablet, for example).

Also, we know for a fact that there's quite a few people on desktop that 
are running Firefox for weeks on a single session. It would be nice to 
get out of that FHR data how common multi-day sessions are, but I 
strongly suspect that they are not "ignorable" after all.

KaiRo