How to enacle datapump trace using trace flag

 

[oracle@ol8 ~]$ expdp donghua/Password@pdbn1 metrics=y logtime=all reuse_dumpfiles=y trace=1FF0300

[oracle@ol8 ~]$ ls -ltr /u01/app/oracle/diag/rdbms/orcl21c/orcl21c/trace/*dw*.trc /u01/app/oracle/diag/rdbms/orcl21c/orcl21c/trace/*dm*.trc

-rw-r----- 1 oracle oinstall 1937397 Mar 12 16:18 /u01/app/oracle/diag/rdbms/orcl21c/orcl21c/trace/orcl21c_dw00_8803.trc
-rw-r----- 1 oracle oinstall  726755 Mar 12 16:18 /u01/app/oracle/diag/rdbms/orcl21c/orcl21c/trace/orcl21c_dm00_8787.trc

Export/Import DataPump Parameter TRACE - How to Diagnose Oracle Data Pump (Doc ID 286496.1)