On Sun, Jul 17, 2016 at 4:15 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> The concern I've got about this proposal is that the results get very
> questionable as soon as we start dropping statement entries for lack
> of space.  last_executed would be okay, perhaps, but first_executed
> not so much.


Also, for what it's worth, I should point out to Jun that
GetCurrentTimestamp() should definitely not be called when a spinlock
is held like that.

Peter Geoghegan

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