The pg_replication_origin_status view contains information about how far replay for a certain origin has progressed. For more on replication origins see Chapter 49.
Table 51.80. pg_replication_origin_status Columns
Name
Type
References
Description
local_id
Oid
pg_replication_origin.roident
internal node identifier
external_id
text
pg_replication_origin.roname
external node identifier
remote_lsn
pg_lsn
The origin node's LSN up to which data has been replicated.
local_lsn
pg_lsn
This node's LSN at which remote_lsn has been replicated. Used to flush commit records before persisting data to disk when using asynchronous commits.