Oracle DataPump Export (EXPDP) Is Slow On Partitioned Tables
(Doc ID 2360635.1)
Last updated on MARCH 27, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 126.96.36.199 [Release 10.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Oracle DataPump export (expdp) is slow on partitioned tables.
SQL tracing of DataPump export with TRACE=480300 shows large value for:
"wait for unread message on broadcast channel".
In this case, "wait for unread message on broadcast channel" is 1372.47 seconds:
Elapsed times include waiting on following events:
Event waited on Times Max. Wait Total Waited
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