Scott Briggs wrote:
> So if you do need to use wal files to catch up a slave, what would
> that process be? If you caught up with wal files, how would streaming
> replication know what positon to start at? And how would you tell
> streaming replication the new position after catching up with wal
> files?
See
http://www.postgresql.org/docs/9.1/static/warm-standby.html#STANDBY-SERV
ER-OPERATION,
particularly the second paragraph.
WAL records are ordered, so the standby can request the correct
WAL record when it connects to the primary.
Yours,
Laurenz Albe