hello everyone: i found database crashed,i checked log,it indicated error: CONTEXT: xlog redo insert: rel 48777166/22362/48778276; tid 2/2 i wanted to know:what's meaning of real? and what's meaning of 48777166/22362/48778276 ?what's meaning of tid 2/2 ? please tell me it's meaning or where to find it ?thanks. -- View this message in context: http://postgresql.1045698.n5.nabble.com/postgresql-ask-for-someparameters-tp5717522.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general