[time-nuts] Leap second smear at Google

John C. Westmoreland, P.E. john at westmorelandengineering.com
Sat Sep 21 04:47:03 UTC 2013


Christopher,

Obviously GOOG needs a time-nut on their staff!

Interesting stuff!
John W.



On Fri, Sep 20, 2013 at 6:48 PM, Christopher Quarksnow <cquarksnow at gmail.com
> wrote:

> Besides the famous Android stint described in Google bug 5485
> https://code.google.com/p/android/issues/detail?id=5485 that took 2 years
> to fix, so many Android phones system clocks were 15 seconds fast then, I
> just found the source of another discrepancy where Google spreads the leap
> second offset to avoid artifacts with servers, platforms, environments or
> programs unable to handle a sudden second leap :
>
> http://googleblog.blogspot.com/2011/09/time-technology-and-leaping-seconds.html
>
> Maybe not as bad as Oracle in 2009 :
> http://www.pcworld.com/article/156453/article.html
>
> I don't know how "elegant" this solution from Google is, especially with
> Google Wallet time payments or transactions that could be back-dated in
> relation to a banking system, or other Google apps, but I thought it might
> be of interest to some before they need a house of clocks to keep in sync
> with Google on such days ! http://www.youtube.com/watch?v=xyRKQ84ztkE
>
> Christopher Quarksnow
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