Performance Degradation and JI Lock Contention Observed During Batch Load of Tables With On-Commit Materialized Views (Doc ID 371869.1)

Last updated on NOVEMBER 27, 2013

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.5.0 to 11.1.0.6 [Release 8.1.5 to 11.1]
Information in this document applies to any platform.


Symptoms

When running concurrent batch jobs against tables with on-commit materialized views, the jobs run very slowly and JI lock contention on the materialized views is observed.

Cause

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