Metadata Data Pump Export Is Slow When Exporting Indexes
(Doc ID 1555857.1)
Last updated on MARCH 01, 2019
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Metadata Data Pump export is very slow when exporting indexes and bitmap indexes. The tables to which indexes belong to and indexes are partitioned with a large number of partitions or subpartitions. This issue is seen for "normal" or transportable tablespaces Data Pump exports.
Tracing the DW* process(es) we can see the slowness is seen when executing:
== For "normal" export ==
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document