On Wed, Nov 9, 2022 at 3:00 PM Bharath Rupireddy <bharath.rupireddyforpostg...@gmail.com> wrote: > > On Wed, Nov 9, 2022 at 2:02 PM Kyotaro Horiguchi > <horikyota....@gmail.com> wrote: > > > > I don't think walsenders fetching segment from archive is totally > > stupid. With that feature, we can use fast and expensive but small > > storage for pg_wal, while avoiding replciation from dying even in > > emergency. > > It seems like a useful feature to have at least as an option and it > saves a lot of work - failovers, expensive rebuilds of > standbys/subscribers, manual interventions etc. > > If you're saying that even the walsedners serving logical replication > subscribers would go fetch from the archive location for the removed > WAL files, it mandates enabling archiving on the subscribers. >
Why archiving on subscribers is required? Won't it be sufficient if that is enabled on the publisher where we have walsender? -- With Regards, Amit Kapila.