Re: Switching timeline over streaming replication

> I just committed a patch that should make the "requested WAL segment
> 000000020000000000000003 has already been removed" errors go away.
> The
> trick was for walsenders to not switch to the new timeline until at
> least one record has been replayed on it. That closes the window
> where
> the walsender already considers the new timeline to be the latest,
> but
> the WAL file has not been created yet.

OK, I'll download the snapshot in a couple days and make sure this didn't breaks something else.

--Josh