You don't in 9i The FAST_START_IO_TARGET initialization parameter is used to specify the = maximum number of dirty blocks in the buffer cache.=20 Its use has been deprecated in favour of the FAST_START_MTTR_TARGET. (it = is only there to be backward compatible) In addition the DB_BLOCK_MAX_DIRTY_TARGET parameter has been removed J -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Sinardy Xing Sent: Tuesday, November 02, 2004 8:30 AM To: oracle-l@xxxxxxxxxxxxx Subject: Block & Cache, Tuning Hi all, =20 Why Oracle introduce FAST_START_IO_TARGET and DB_BLOCK_MAX_DIRTY_TARGET, = how we use these both parameters together? =20 =20 =20 Sinardy =20 =20 This is new topic, Previously I was so blur reading wrong chapter of my = document. :) -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l