"Phil Endecott" <spam_from_pgsql_lists@xxxxxxxxxxxx> writes: > Is replication going to work from an x86-64 master to an > arm64 replica? The hard part of this is usually whether the operating systems are identical. If they have different locale data, you may find that indexes on text columns appear out-of-order and therefore corrupt on the replica. See https://wiki.postgresql.org/wiki/Locale_data_changes regards, tom lane