On 2013-10-30 08:45:03 -0400, Robert Haas wrote:
> If I'm reading this correctly, the last three runs on frogmouth have
> all failed, and all of them have failed with a complaint about,
> specifically, Global/PostgreSQL.851401618.  Now, that really shouldn't
> be happening, because the code to choose that number looks like this:
> 
>         dsm_control_handle = random();
> 
> One possibility that occurs to me is that if, for some reason, we're
> using the same handle every time on Windows, and if Windows takes a
> bit of time to reclaim the segment after the postmaster exits (which
> is not hard to believe given some previous Windows behavior I've
> seen), then running the postmaster lots of times in quick succession
> (as initdb does) might fail.  I dunno what that has to do with the
> patch, though.

Could it be that we haven't primed the random number generator with the
time or something like that yet?

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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