Re: Logical Replication upgrade
Amit Kapila <amit.kapila16@gmail.com>
From: Amit Kapila <amit.kapila16@gmail.com>
To: "David G. Johnston" <david.g.johnston@gmail.com>
Cc: "mimidatabase@gmail.com" <mimidatabase@gmail.com>, "pgsql-docs@lists.postgresql.org" <pgsql-docs@lists.postgresql.org>
Date: 2026-04-17T03:54:47Z
Lists: pgsql-docs
On Thu, Apr 16, 2026 at 11:16 AM David G. Johnston <david.g.johnston@gmail.com> wrote: > > On Wednesday, April 15, 2026, Amit Kapila <amit.kapila16@gmail.com> wrote: >> >> >> So, how about: "All slots on the old cluster must be usable, i.e., >> their pg_replication_slots.conflicting is false."? > > > That works. > > Then we’d also change: > > The new cluster must not have permanent logical slots, i.e., there must be no slots where pg_replication_slots.temporary is false. > > To be: > > “The new cluster is only permitted to have temporary logical slots, i.e., ones where pg_replication_slots.temporary is true.” > What you wrote is correct but it is better to keep what is not allowed for this case. Based on that, how about the following: "The new cluster must not have any permanent logical slots; i.e., any existing logical slots must have pg_replication_slots.temporary set to true." -- With Regards, Amit Kapila.
Commits
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Doc: Improve the wording of logical slot prerequisites.
- f3ae1ec7295b 19 (unreleased) landed
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Doc: Add the steps for upgrading the logical replication cluster.
- 7fdeaf5774d0 18.0 cited