Clemens Eisserer <linuxhippy@xxxxxxxxx> wrote: > Hi, > > I would like to use postgresql's unlogged tables on an embedded system > to avoid frequent writes to flash memory. > While documentation clearly states that unlogged tables don't have to > go through the WAL, it doesn't mention what happens to the data when > it is written directly to the database. > > Will unlogged tables also cause sync/fsync calls, or will they stay in > the page cache of the system as they will be lost anyway after a > recovery? > > Thank you in advance, Clemens They will lost after a crash, but after a regular shutdown / restart all data in the table. Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889° -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general