Hi, On Thu, Mar 28, 2024 at 05:05:35PM +0530, Amit Kapila wrote: > On Thu, Mar 28, 2024 at 3:34 PM Bertrand Drouvot > <bertranddrouvot...@gmail.com> wrote: > > > > On Thu, Mar 28, 2024 at 04:38:19AM +0000, Zhijie Hou (Fujitsu) wrote: > > > > > To fix this, we could use the fast forward logical decoding to advance > > > the synced > > > slot's lsn/xmin when syncing these values instead of directly updating the > > > slot's info. This way, the snapshot will be serialized to disk when > > > decoding. > > > If we could not reach to the consistent point at the remote restart_lsn, > > > the > > > slot is marked as temp and will be persisted once it reaches the > > > consistent > > > point. I am still analyzing the fix and will share once ready. > > > > Thanks! I'm wondering about the performance impact (even in fast_forward > > mode), > > might be worth to keep an eye on it. > > > > True, we can consider performance but correctness should be a > priority,
Yeah of course. > and can we think of a better way to fix this issue? I'll keep you posted if there is one that I can think of. > > Should we create a 17 open item [1]? > > > > [1]: https://wiki.postgresql.org/wiki/PostgreSQL_17_Open_Items > > > > Yes, we can do that. done. Regards, -- Bertrand Drouvot PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com