Re: Add statistics_collector_listen_addresses to fix hard-coding of "localhost"
От | Gavin Flower |
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Тема | Re: Add statistics_collector_listen_addresses to fix hard-coding of "localhost" |
Дата | |
Msg-id | 4EAA5541.8000702@archidevsys.co.nz обсуждение исходный текст |
Ответ на | Re: Add statistics_collector_listen_addresses to fix hard-coding of "localhost" (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-bugs |
On 28/10/11 08:53, Tom Lane wrote: > Gavin Flower<GavinFlower@archidevsys.co.nz> writes: >> Actually, a minute is not always 60 seconds, as you can legally have 62 >> seconds in a minute! > <pedantry> > > There never have been, and will never be, two leap seconds declared in > the same minute --- the need for such would require that the authorities > in charge of declaring leap seconds had been asleep at the switch when > they should have declared the first one, and for awhile afterwards > as well, since the natural spacing of such events is well over a year. > Even if they did get that far behind, they would catch up by declaring > *one* added leap second in several successive opportunities. > > The idea that there could need to be 62 seconds in a minute appears to > stem from a typographical error in an ancient version of some Unix > documentation or other (hardly a reference material for timekeeping), > which has been faithfully copied into a bunch of later computer-oriented > standards. But it's wrong, no matter how many places say that. Ask an > astronomer rather than a computer scientist, if you're not convinced. > > </pedantry> > > regards, tom lane Thanks for the explanation! If we ever really needed the 62 second minute, and the timekeepers were not sleeping on the job, it would be because of a catastrophic geological event that would almost certainly mean that the survivors would be having more pressing concerns... (major earthquakes affect the speed of the Earth's rotation - microseconds in the case of the last major Japanese earthquake)
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