Last updated on NOVEMBER 28, 2016
Applies to:Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 10.2.0.3 - Release: 10.1 to 10.2
Information in this document applies to any platform.
A Data Pump Worker (DW) process trace (created by trace=480300) confirms a very long time is spent in exporting referential constraints.
-- TRACE FILE
KUPW: 19:18:25.550: 1: Processing object type DATABASE_EXPORT/SCHEMA/TABLE/CONSTRAINT/REF_CONSTRAINT
KUPW: 20:23:55.921: 1: Processing object type DATABASE_EXPORT/SCHEMA/PACKAGE_BODIES/PACKAGE/PACKAGE_BODY
Here, the trace illustrates, it took more the 1 hour to export all referential constraints which are part of the schema.
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