Simon Riggs <simon@2ndQuadrant.com> writes:
> On Fri, 2011-03-04 at 00:02 +0900, Fujii Masao wrote:
>> > * synchronous_standby_names = "*" matches all standby names
>>
>> Using '*' as the default seems to lead the performance degradation by
>> being connected from unexpected synchronous standby.
>
> You can configure it however you wish. It seemed better to have an out
> of the box setting that was useful.
Well the HBA still needs some opening before anyone can claim to be a
standby. I guess the default line would be commented out and no standby
would be accepted as synchronous by default, assuming this GUC is sighup.
Regards,
--
Dimitri Fontaine
http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
