IMPDP enhancement

I am using Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit

i am tring to import dump file using data pump , file size : 80G

usually i use the below command

impdp dumpfile=dump.dmp logfile=logfile.log schemas=pro remap_schema=pro:test remap_tablespace=prodata:testdata remap_tablespace=proindex:testindex exclude=table_statistics

then i run gather stats to execute the statistics for schema test.

but this command take long time specialy whiling importing indexes (more than 8 hours)

so i did some researches to enhance the performance. such as :

1. do impdp with nologging :

can anyone show me the way to apply this?