<para>
Directly moving WAL records from one database server to another
is typically described as log shipping. <productname>PostgreSQL</>
- implements file-based log shipping by transfering WAL records
+ implements file-based log shipping by transferring WAL records
one file (WAL segment) at a time. WAL files (16MB) can be
shipped easily and cheaply over any distance, whether it be to an
adjacent system, another system at the same site, or another system on
</para>
<para>
- After a commit record has been written to disk on the primary the
+ After a commit record has been written to disk on the primary, the
WAL record is then sent to the standby. The standby sends reply
messages each time a new batch of WAL data is written to disk, unless
<varname>wal_receiver_status_interval</> is set to zero on the standby.