Jayashankar K B wrote: > Could anyone explain me the significance of the following compile time parameters ? > > 1. --disable-integer-datetimes > > 2. --disable-float4-byval > > 3. --disable-float8-byval > > > > Do they have any effect on performance of postgres w.r.t speed of database insert/select, amount of > CPU used during insert/select ? > > How can I know the default compile time parameter values? > > > > The environment in which we are trying to run postgres is a freescale MCF54xx controller based board > having 512MB RAM, 2GB memory with custom built Linux (32-bit environment). The options are well described in http://www.postgresql.org/docs/current/static/install-procedure.html --disable-integer-datetimes changes the internal storage and the precision of date/time data types. Leave the default. The other two options are only needed if you have old server extensions written in C. They affect performance negatively. Leave the default. The default is to have all three options on --enable-* Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general