Amit Kapila <> writes:
> On Sat, Oct 17, 2015 at 12:07 AM, Robert Haas <> 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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