On Jun 11, 2010, at 16:31 , Tom Lane wrote: > Fujii Masao <masao.fu...@gmail.com> writes: >> In 9.0, walsender reads WAL always from the disk and sends it to the standby. >> That is, we cannot send WAL until it has been written (and flushed) to the >> disk. > > I believe the above statement to be incorrect: walsender does *not* wait > for an fsync to occur.
Hm, but then Robert's failure case is real, and streaming replication might break due to an OS-level crash of the master. Or am I missing something? best regards, Florian Pflug -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
