Metadata Data Pump Export Is Slow When Exporting Indexes (Doc ID 1555857.1)

Last updated on NOVEMBER 22, 2013

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

Symptoms

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 ==

 

Cause

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