Metadata Data Pump Export Is Slow When Exporting Indexes
Last updated on NOVEMBER 22, 2013
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 11.2]
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 ==
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