????1????鱨?????
????2????????????????AWR???????ASH
????3???????????????????????????????????
????4?????????????????????????????????????
????5??????????????????????CPU?????
????6???鵵?????????????
????7??FRA???????????????д?????????????????????????????????????????db_recovery_file_dest_size?????
????????????????????????????prelim??????????
????1??
????sqlplus /nolog
????set _prelim on
????connect / as sysdba
????sqlplus -prelim "/as sysdba"
????2??
????????
????oradebug hanganalyze 3
????RAC
????oradebug setinst all
????oradebug -g def hanganalyze 3
??????RAC???е????????????
????oradebug setmypid
????oradebug dump systemstate 266
????RAC??
????oradebug setmypid
????oradebug unlimit
????oradebug -g all dump systemstate 266