Last modified: 2014-11-06 21:19:00 UTC
time_firstbyte is currently a single-precision float. Varnish exposes 9 decimal digits. So we should switch time_firstbyte to double to be able to store all varnish-exposed digits even in corner cases.
Change 171264 had a related patch set uploaded by QChris: Change webrequest's time_firstbyte from float to double https://gerrit.wikimedia.org/r/171264
Change 171264 merged by Ottomata: Change webrequest's time_firstbyte from float to double https://gerrit.wikimedia.org/r/171264
float is the devil!!! sorry, couldn't resist, they cost me three days of pain once in a Berlekamp error corrector.