Re: v12 and TimeLine switches and backups/restores

Hi,

On Wed, Jul 01, 2020 at 12:12:14AM -0400, Stephen Frost wrote:
> Specifically, if you take a backup off a primary and, while that backup
> is going on, some replica is promoted and drops a .history file into the
> WAL repo, that backup is no longer able to be restored with the new
> recovery_target_timeline default.

Quick question to grasp the magnitude of this:

If a user takes a backup with pg_basebackup in streaming mode, would
that still be a problem? Or is this "only" a problem for base backups
which go through a wal archive common between primary and standby?

Michael

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