Export Hangs Because Of Many Updates In AUD$ (Doc ID 438848.1)

Last updated on NOVEMBER 23, 2011

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 10.2.0.3 - Release: 10.2 to 10.2
Information in this document applies to any platform.

Symptoms

While running export process seems to hang or run very slow. Review of the traced export session via tkprof or v$ views shows that it is spending a lot of time on following statement:

update SYS.AUD$ set XID = :1 where sessionid = :2 and rawtohex(xid) = '0000000000000000'

Cause

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