Re: Time-Delayed Standbys

On 12 December 2013 10:42, KONDO Mitsumasa
<kondo.mitsumasa@lab.ntt.co.jp> wrote:

>> I agree with your request here, but I don't think negative values are
>> the right way to implement that, at least it would not be very usable.
>
> I think that my proposal is the easiest and simplist way to solve this
> problem. And I believe that the man who cannot calculate the difference in
> time-zone doesn't set replication cluster across continents.
>
>
>> My suggestion would be to add the TZ to the checkpoint record. This
>> way all users of WAL can see the TZ of the master and act accordingly.
>> I'll do a separate patch for that.
>
> It is something useful for also other situations. However, it might be
> going to happen long and complicated discussions... I　think that our hope is
> to commit this patch in this commit-fest or next final commit-fest.

Agreed on no delay for the delay patch, as shown by my commit.

Still think we need better TZ handling.

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