DataPump Export Is Slow When CURSOR_SHARING=FORCE And _OPTIM_PEEK_USER_BINDS=FALSE

(Doc ID 2348095.1)

Last updated on JANUARY 26, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 to 11.2.0.3 [Release 11.1 to 11.2]
Information in this document applies to any platform.

Symptoms

Expdp is very slow when cursor_sharing is set to force and _optim_peek_user_binds is set to false.

As one can be seen from 10046 trace, most of time is consumed on SQLs similar to:

Changes

The following parameters are set at database level:

cursor_sharing=force
and
_optim_peek_user_binds=false

Cause

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