Re: recovery.conf location

On Oct 1, 2010, at 5:47 AM, Fujii Masao <masao.fujii@gmail.com> wrote:
> On Fri, Oct 1, 2010 at 9:21 AM, Josh Berkus <josh@agliodbs.com> wrote:
>> On 9/29/10 7:54 PM, Tom Lane wrote:
>>> Robert Haas <robertmhaas@gmail.com> writes:
>>>> But that's not what Tom is talking about, I don't think: you might
>>>> also want a way to explicitly whack the flag in pg_control around.
>>>> That would probably be along the lines of pg_resetxlog.  I'm not sure
>>>> how much use case there is for such a thing, but if it's needed it's
>>>> certainly wouldn't be hard to write.
>>> 
>>> Right, but instead of having to provide such a tool, we could just
>>> store the status as a text file.  There is a pretty time-honored
>>> tradition for that, ya know.
>> 
>> And then move all the other config parameters to postgresql.conf?
> 
> The consensus seems to be to move only parameters for the standby server
> (except standby_mode) to postgresql.conf. That is, primary_conninfo and
> trigger_file.
> 
>>  And
>> have PG poll that text file periodically so that you could update it and
>> it would fail over?
> 
> Hmm.. instead of that text file (i.e., recovery.conf), trigger file is
> periodically polled by the standby server.

I'm not sure I understand the point of moving all the parameters except one.

...Robert