On 20.01.2011 22:15, Dimitri Fontaine wrote:
Robert Haas<robertmh...@gmail.com> writes:
Sending them a signal seems like a promising approach, but the trick
is guaranteeing that they've actually acted on it before you start the
checkpoint.
How much using a latch here would help? Or be overkill?
A latch doesn't give you an acknowledgment from the backends that
they've received and acted on the guc change. You could use it as a
building block to construct that, though.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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