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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Amit Kapila <amit.kapila16@gmail.com>
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Comments: In-reply-to Amit Kapila <amit.kapila16@gmail.com>
 message dated "Sat, 17 Oct 2015 15:34:43 +0530"
Date: Sat, 17 Oct 2015 10:03:39 -0400
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Amit Kapila <amit.kapila16@gmail.com> writes:
> On Sat, Oct 17, 2015 at 12:07 AM, Robert Haas <robertmhaas@gmail.com> wrote:
>> Maybe we need to be using PostmasterRandom() rather than random() for
>> the control segment name.

> +1.  Though I think it is better to investigate the actual cause before
> doing this.

BackendRun() deliberately prevents that from working.  And it also sets
srandom() to a new value for each subprocess, so that AFAICS this idea
would be a net negative.  If you are seeing duplicate key values getting
selected, the problem is elsewhere.

			regards, tom lane


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