Markus Wanner wrote: > Hi, > > Bruce Momjian wrote: > > Backends would > > update a shared memory variable specifying how far they want the wal > > streamer to advance and send a signal to the wal streamer if necessary. > > Backends would monitor another shared memory variable that specifies how > > far the wal streamer has advanced. > > That sounds like WAL needs to be written to disk, before it can be sent > to the standby. Except maybe with some sort of mmap'ing the WAL.
Well, WAL is either on disk or in the wal_buffers in shared memory --- in either case, a WAL streamer can get to it. -- Bruce Momjian <[EMAIL PROTECTED]> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
