On Thu, Mar 3, 2011 at 1:14 PM, Simon Riggs <simon@2ndquadrant.com> wrote:
> On Thu, 2011-03-03 at 18:51 +0100, Dimitri Fontaine wrote:
>> 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.
>
> The patch sets "*" as the default, so all standbys are synchronous by
> default.
>
> Would you prefer it if it was blank, meaning no standbys are
> synchronous, by default?
I think * is a reasonable default.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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