[LEAPSECS] Google, Amazon, now Microsoft
Poul-Henning Kamp
phk at phk.freebsd.dk
Sun May 31 10:28:59 EDT 2015
--------
In message <087CC3E4-B63E-44BA-9AD6-22DCE13A314A at dotat.at>, Tony Finch writes:
>> The opererative detail is this:
>>
>> "Microsoft has determined that clocks on tens of thousands
>> of servers globally running Azure should switch to the leap
>> second at midnight in the time zone where they are based."
>>
>> As far as I know, it is not like Microsoft has any choice, "local
>> midnight" is the only time their software makes it possible for
>> them to make sure that all servers jump at the same time.
>
>But they have servers in multiple locations, so if they are running on the
>local time zone they will not leap at the same time...
Welcome to the (probably painful) world of "heuristic handling of
leap seconds".
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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