Increase the Insert performance while using th e DBlink

Dear Friends ,
I am trying to insert 4 lacs records into a table by using the DB-Link.It is taking very long time ( 1hour) to insert the records,is there any other way where to increase the performance.
This is my insert statement.
insert /*+ APPEND PARALLEL NOLOGGING */ into target_table
select * from source_table@dblink_name

There is little chance alter table your_table noparallel would help (if parallel keyword was specified at table creation)
It seems you'll have to be more specific (I consider using parallelism as the last resort so consequently I don't have much experience)
- is this a one time job ?
there are several other methods (export/import, datapump, external tables ...) to get the job done
- is this a regular procedure ?
is it feasible to use methods mentioned above
- how frequently has to be performed ?
is it still feasible to use methods mentioned above (taking dblink performance as not acceptable)
- is it mandatory to transfer 400 000 rows from the other database ?
wouldn't be better to pull from the other database just the rows you need ?
wouldn't be better to make the other database the driving site ?
Regards
Etbin
Edited by: Etbin on 25.12.2011 13:30
Try to remove (not sure if it can be done) the status answered as others would think no other contributions are needed
you are supposed to mark the thread answered when you think a satisfactory solution from your point of view has been provided. Take a look at FAQ link (on upper right)

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