dear all, I have 10.2.0.3 on solaris sparc, when trying to decrease log_buffer, it could not be done. always keep 14MB, sga is 3.5GB I want to decrease it to 1MB according to metalink note. 351857.1 it is expected behavior. so, is it save to change _log_io_size to 1MB ? -- thanks and regards ujang | oracle dba | mysql dba http://ora62.wordpress.com -- //www.freelists.org/webpage/oracle-l