Andres Freund <> writes:
> On 2017-10-02 17:30:25 -0400, Tom Lane wrote:
>> Or replace the spinlock with an LWLock?

> That'd probably be a good idea, but I'm loathe to do so in the back
> branches. Not at this callsite, but some others, there's some potential
> for contention.

If this is the only problem then I'd agree we should stick to a spinlock
(I assume the strings in question can't be very long).  I was thinking
more about what to do if we find other violations that are harder to fix.

                        regards, tom lane

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