Re: prevent immature WAL streaming

On 9/17/21, 9:37 AM, "Alvaro Herrera" <alvherre@alvh.no-ip.org> wrote:
> OK, this version is much more palatable, because here we verify that the
> OVERWRITE_CONTRECORD we replay matches the record that was lost.  Also,
> I wrote a test script that creates such a broken record (by the simple
> expedient of deleting the WAL file containing the second half while the
> server is down); we then create a standby and we can observe that it
> replays the sequence correctly.
>
> If you have some time to try your reproducers with this new proposed
> fix, I would appreciate it.

I haven't had a chance to look at the patch yet, but it appears to fix
things with my original reproduction steps for the archive_status
stuff [0].

Nathan

[0] https://postgr.es/m/CBDDFA01-6E40-46BB-9F98-9340F4379505%40amazon.com