On Thu, Nov 14, 2013 at 1:02 AM, Sawada Masahiko <sawada.m...@gmail.com> wrote: > I attached patch adds new wal_level 'all'. > If wal_level is set 'all', the server logs WAL not only when wal_level > is set 'hot_standby' ,but also when updating hint bit. > That is, we will be able to know all of the changed block number by > reading the WALs. > This wal_level is infrastructure for fast failback. (i.g., without fresh > backup) > It need to cooperate with pg_rewind.
This needs to be a separate parameter, not something that gets jammed into wal_level. I'm also not 100% sure we want it, but let's hear what others think. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers