Track the Time Spent on each operation in Expdp and Impdp

Trace the Expdp and Impdp Performance Issue using LOGTIME and METRICS Parameter

of course you can track the time for each export/import operation and direct export/import job to write the timestamp in logfile using LOGTIME parameter. More on Expdp/Impdp LOGTIME Read Here
But if you like additional information about the job (eg. which process is doing what and taking how much time) you can use METRICS=Y parameter.
These parameters are useful to investigate datapump performance and estimate the time of similar export, import operation

METRICS
Default: NO
Syntax and DescriptionMETRICS=[YES | NO]

An Example
$ cat exp_full_pdb01.par
DIRECTORY=DUMP
DUMPFILE=EXP_PDB01_FULL%U.DMP
LOGFILE=EXP_PDB01_FULL.LOG
SCHEMAS=TEST
REUSE_DUMPFILES=Y
FLASHBACK_TIME=SYSTIMESTAMP
METRICS=Y
$ expdp system@PDB01 parfile=exp_full_pdb01.par
Export: Release 12.2.0.1.0 - Production on Fri Oct 26 13:14:59 2018
Copyright (c) 1982, 2017, Oracle and/or its affiliates. All rights reserved.
Password:
Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
Starting "SYSTEM"."SYS_EXPORT_SCHEMA_02": system/********@PDB01 parfile=exp_full_pdb01.par
W-1 Startup took 89 seconds
W-1 Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
W-1 Processing object type
SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
W-1      Completed 2 INDEX_STATISTICS objects in 6 seconds
W-1 Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
W-1      Completed 1 TABLE_STATISTICS objects in 2 seconds
W-1 Processing object type SCHEMA_EXPORT/STATISTICS/MARKER
W-1      Completed 1 MARKER objects in 16 seconds
W-1 Processing object type SCHEMA_EXPORT/USER
W-1      Completed 1 USER objects in 4 seconds
W-1 Processing object type SCHEMA_EXPORT/ROLE_GRANT
W-1      Completed 2 ROLE_GRANT objects in 2 seconds
.................................................................................................................................................
.................................................................................................................................................
W-1 Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
W-1      Completed 1 INDEX objects in 2 seconds
W-1 Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
W-1      Completed 1 CONSTRAINT objects in 2 secondsW-1 . . exported "TEST"."PEOPLE"                             6.796 KB       1 rows in 0 seconds using direct_pathW-1      Completed 1 SCHEMA_EXPORT/TABLE/TABLE_DATA objects in 0 seconds
W-1 Master table "SYSTEM"."SYS_EXPORT_SCHEMA_02" successfully loaded/unloaded
******************************************************************************
Dump file set for SYSTEM.SYS_EXPORT_SCHEMA_02 is:
/u01/dbatst2/stage/dump/EXP_PDB01_FULL01.dmp
Job "SYSTEM"."SYS_EXPORT_SCHEMA_02" successfully completed at Fri Oct 26 13:34:10 2018 elapsed 0 00:19:07

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