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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:

查看con_id为3的产生的trace文件路径及名称

SQL>SELECTADR_HOME,TRACE_FILENAME,CON_IDFROMv$diag_trace_fileWHEREcon_id=3;ADR_HOMETRACE_FILENAMECON_ID--------------------------------------------------------------------------------------------------------------/u01/app/oracle/diag/rdbms/orcl/orclorcl_mmon_2309.trc1/u01/app/oracle/diag/rdbms/orcl/orclorcl_ora_5757.trc1/u01/app/oracle/diag/rdbms/orcl/orclorcl_lgwr_2289.trc1/u01/app/oracle/diag/rdbms/orcl/orclorcl_dia0_6296.trc1/u01/app/oracle/diag/rdbms/orcl/orclorcl_ofsd_6282_6286.trc1/u01/app/oracle/diag/rdbms/orcl/orclorcl_dia0_6171_base_1.trc1/u01/app/oracle/diag/rdbms/orcl/orclorcl_svcb_5836.trc1/u01/app/oracle/diag/rdbms/orcl/orclorcl_ora_2231.trc1

查看对应trace文件内容

SQL>SELECTpayloadFROMv$diag_trace_file_contentsWHEREtrace_filename='orcl_mmon_2309.trc'ORDERBYline_number;....内容太多。。。***2017-02-16T21:04:34.754390+08:00(CDB$ROOT(1))AUTOSGA:kmgs_parameter_update_timeoutgen00mmonalive1PAYLOAD----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------***2017-02-16T21:04:37.755725+08:00(CDB$ROOT(1))AUTOSGA:kmgs_parameter_update_timeoutgen00mmonalive1***2017-02-16T21:04:40.756642+08:00(CDB$ROOT(1))AUTOSGA:kmgs_parameter_update_timeoutgen00mmonalive11179rowsselected.

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