Bruce Momjian <[EMAIL PROTECTED]> writes:
> Stephan Szabo wrote:
>> It looks like deadlock_timeout is set PGC_POSTMASTER so it's not
>> supposed to be reread on SIGHUP (reload) but only on postmaster start.

> I think it doesn't reload because we want to have the same timeouts for
> all backends, and reload doesn't happen at the same instant for all
> backend.

Yeah, I've forgotten the details, but I'm pretty sure we were worried
about race conditions or missed timeouts of some sort if we allowed
deadlock_timeout to change on-the-fly.  Try digging in the archives
if you want the whole scoop.

                        regards, tom lane

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