HANG IN LOGMINER DICTIONARY QUERIES DUE TO BAD STATISTICS (Doc ID 1664951.1)

Last updated on FEBRUARY 02, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.1.0.1 [Release 11.2 to 12.1]
Information in this document applies to any platform.
Issue can affect Streams, GoldenGate Integrated Extract and other users of the logminer technology.

Symptoms

Users of logminer or related logminer based replication features may encounter performance issues where internal queries take an excessively long time to complete.

If logminer internal queries are showing up with excessive gets in AWR reports then this issue may have been encountered.

Cause

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