> So my question is: does google cluster guarantees time and date sync
> among its nodes?

IIRC, the last time this came up, the answer was no.  They expect the
times on different nodes wil be somewhat synchronized and reasonably
close to correct, but make no guarantees.



On May 28, 7:39 am, cryb <cbuti...@gmail.com> wrote:
> Hello.
> Although it should be obvious, the Google cluster should provide a
> time and date synchronization service for all its nodes.
> I've done some search on the internet and I went through appengine
> docs, but I didn't find any reference that states this.
> I know that this should be common sense, but I just want to make sure.
> So my question is: does google cluster guarantees time and date sync
> among its nodes?
> I ask this because I need it for expiration primitives that won't work
> properly if such a service is not in place.
> Thanks.
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