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在12.2中,Oracle新增了两个V$DIAG_TRACE_FILE and V$DIAG_TRACE_FILE_CONTENTS视图,使查看trace文件路径及其内容变得非常简单。不用大把拼接sql去查了。
如:
SQL> SELECT ADR_HOME,TRACE_FILENAME,CON_ID
FROM v$diag_trace_file
WHERE con_id = 3;
ADR_HOME TRACE_FILENAME CON_ID
---------------------------------------------------------------------- ------------------------------ ----------
/u01/app/oracle/diag/rdbms/orcl/orcl orcl_mmon_2309.trc 1
/u01/app/oracle/diag/rdbms/orcl/orcl orcl_ora_5757.trc 1
/u01/app/oracle/diag/rdbms/orcl/orcl orcl_lgwr_2289.trc 1
/u01/app/oracle/diag/rdbms/orcl/orcl orcl_dia0_6296.trc 1
/u01/app/oracle/diag/rdbms/orcl/orcl orcl_ofsd_6282_6286.trc 1
/u01/app/oracle/diag/rdbms/orcl/orcl orcl_dia0_6171_base_1.trc 1
/u01/app/oracle/diag/rdbms/orcl/orcl orcl_svcb_5836.trc 1
/u01/app/oracle/diag/rdbms/orcl/orcl orcl_ora_2231.trc 1
SQL> SELECT payload
FROM v$diag_trace_file_contents
WHERE trace_filename = 'orcl_mmon_2309.trc'
ORDER BY line_number;
....内容太多。。。
*** 2017-02-16T21:04:34.754390+08:00 (CDB$ROOT(1))
AUTO SGA: kmgs_parameter_update_timeout gen0 0 mmon alive 1
PAYLOAD
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
*** 2017-02-16T21:04:37.755725+08:00 (CDB$ROOT(1))
AUTO SGA: kmgs_parameter_update_timeout gen0 0 mmon alive 1
*** 2017-02-16T21:04:40.756642+08:00 (CDB$ROOT(1))
AUTO SGA: kmgs_parameter_update_timeout gen0 0 mmon alive 1
1179 rows selected.
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