Reported-by: Dagfinn Ilmari Mannsåker
pg_current_wal_insert_lsn> displays the current write-ahead log
insertion location and pg_current_wal_flush_lsn> displays the
current write-ahead log flush location. The insertion location is the logical>
- end of the transaction log at any instant, while the write location is the end of
+ end of the write-ahead log at any instant, while the write location is the end of
what has actually been written out from the server's internal buffers and flush
location is the location guaranteed to be written to durable storage. The write
location is the end of what can be examined from outside the server, and is usually