On December 25, 2016 1:21:43 AM GMT+01:00, Joel Jacobson <j...@trustly.com> 
wrote:

>Is it really a typical real-life scenario that processes can be
>waiting extremely often for extremely short periods of time,
>where the timing overhead would be significant?

Yes. Consider WAL insertion, procarray or other similar contended locks.

Andres
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