Datapump import takes ages

Hi,
I'm doing an import of a schema with one table with about 1 million (spatial) records. This import takes a very long time to complete, a ran the import on friday and when I looked at the proces on monday I saw is was finished at least 24 hours later after I started it. Here's the output:
Z:\>impdp system/password@ora schemas=bla directory=dpump_dir1 dumpfile=schema8.dmp
Import: Release 10.1.0.2.0 - Production on Friday, 21 January, 2005 16:32
Copyright (c) 2003, Oracle. All rights reserved.
Connected to: Personal Oracle Database 10g Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
Master table "SYSTEM"."SYS_IMPORT_SCHEMA_02" successfully loaded/unloaded
Starting "SYSTEM"."SYS_IMPORT_SCHEMA_02": system/********@ora schemas=bla directory=dpump_dir1 dumpfile=schema8.dmp
Processing object type SCHEMA_EXPORT/USER
Processing object type SCHEMA_EXPORT/SYSTEM_GRANT
Processing object type SCHEMA_EXPORT/ROLE_GRANT
Processing object type SCHEMA_EXPORT/DEFAULT_ROLE
Processing object type SCHEMA_EXPORT/SE_PRE_SCHEMA_PROCOBJACT/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
. . imported "BLA"."NLD_NW" 266.1 MB 1217147 rows
Job "SYSTEM"."SYS_IMPORT_SCHEMA_02" successfully completed at 15:22
The dumpfile was created with:
Z:\>expdp system/password@orcl schemas=bla directory=dpump_dir1 dumpfile=schema8.dmp
The source DB is running on Linux and the target is running WinXP.
I thought datapump was meant to be really fast, what's going wrong in my situation?

...I've just looked at the time needed to do the import into the same database from where I exported the dumpfile. This import operation takes 5 minutes.

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