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-rw-r--r--src/bin/pg_upgrade/server.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/src/bin/pg_upgrade/server.c b/src/bin/pg_upgrade/server.c
index 873e5b5117b..7eb15bc7d5a 100644
--- a/src/bin/pg_upgrade/server.c
+++ b/src/bin/pg_upgrade/server.c
@@ -242,24 +242,6 @@ start_postmaster(ClusterInfo *cluster, bool report_and_exit_on_error)
appendPQExpBufferStr(&pgoptions, " -c synchronous_commit=off -c fsync=off -c full_page_writes=off");
/*
- * Use max_slot_wal_keep_size as -1 to prevent the WAL removal by the
- * checkpointer process. If WALs required by logical replication slots
- * are removed, the slots are unusable. This setting prevents the
- * invalidation of slots during the upgrade. We set this option when
- * cluster is PG17 or later because logical replication slots can only be
- * migrated since then. Besides, max_slot_wal_keep_size is added in PG13.
- */
- if (GET_MAJOR_VERSION(cluster->major_version) >= 1700)
- appendPQExpBufferStr(&pgoptions, " -c max_slot_wal_keep_size=-1");
-
- /*
- * Use idle_replication_slot_timeout=0 to prevent slot invalidation due to
- * idle_timeout by checkpointer process during upgrade.
- */
- if (GET_MAJOR_VERSION(cluster->major_version) >= 1800)
- appendPQExpBufferStr(&pgoptions, " -c idle_replication_slot_timeout=0");
-
- /*
* Use -b to disable autovacuum and logical replication launcher
* (effective in PG17 or later for the latter).
*/