Re: Switching XLog source from archive to streaming when primary available

At Thu, 8 Sep 2022 10:53:56 -0700, Nathan Bossart <nathandbossart@gmail.com> wrote in 
> On Thu, Sep 08, 2022 at 05:16:53PM +0530, Bharath Rupireddy wrote:
> > I'm attaching the v3 patch with the review comments addressed, please
> > review it further.
> 
> My general point is that we should probably offer some basic preventative
> measure against flipping back and forth between streaming and archive
> recovery while making zero progress.  As I noted, maybe that's as simple as
> having WaitForWALToBecomeAvailable() attempt to restore a file from archive
> at least once before the new parameter forces us to switch to streaming
> replication.  There might be other ways to handle this.

+1.

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center