Re: Fast promotion, loose ends

On 22 April 2013 16:09, Shaun Thomas <sthomas@optionshouse.com> wrote:
> On 04/22/2013 02:58 AM, Simon Riggs wrote:
>
>> So, to initiate promotion, you can create a file called
>> $DATADIR/fast_promote or $DATADIR/promote
>
>
> Pardon my naiveté, but could it also be an option to read the method from
> the promotion file?
>
> echo "slow" > /my/promotion/path
>
> That would work without any default naming scheme, and only incurs a read on
> the file-handle.

We could do that and a similar mechanism existed in pg_standby, but
was removed in 9.0.

Given where we are and the shape of the code I'd rather not do that.

--Simon Riggs                   http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services