[google-appengine] Any guarantees on time sync among servers?

2010-03-26 Thread jbdhl
I know that the app engine servers are synchronized with NTP so that their clocks should be almost perfectly synchronized. Should. But can I rely on that? Are there any mechanisms that decouples a node if its clock gets e.g. more than N seconds out of sync the rest (or some master node)? If so, wha

Re: [google-appengine] Any guarantees on time sync among servers?

2010-03-26 Thread Ikai L (Google)
The autogenerated ID is not guaranteed to be sequential, but it is guaranteed to be unique. It seems fairly unlikely that the times would be out of sync, but you can use Memcache's INCR on values. This is atomic and returns the next higher integer value. On Fri, Mar 26, 2010 at 1:45 AM, jbdhl wro