> To achieve this capacity with HZ=1000 without increasing the storage size > by another level, we reduced the granularity of the first wheel level from > 1ms to 4ms. According to our data, there is no user which relies on that > 1ms granularity and 99% of those timers are canceled before expiry.
the only likely problem cases are msleep(1) uses... but we could just map those to usleep(1000,2000) (imo we should anyway)
