| From: | Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com> |
|---|---|
| To: | nathandbossart(at)gmail(dot)com |
| Cc: | bharath(dot)rupireddyforpostgres(at)gmail(dot)com, cary(dot)huang(at)highgo(dot)ca, pgsql-hackers(at)lists(dot)postgresql(dot)org, satyanarlapuram(at)gmail(dot)com |
| Subject: | Re: Switching XLog source from archive to streaming when primary available |
| Date: | 2022-09-09 05:26:57 |
| Message-ID: | 20220909.142657.1730100023574894984.horikyota.ntt@gmail.com |
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| Lists: | pgsql-hackers |
At Thu, 8 Sep 2022 10:53:56 -0700, Nathan Bossart <nathandbossart(at)gmail(dot)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
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