System Tablespace Growing Too Fast, SYS.SNAP_XCMT$ Table is the Largest Consumer of Space

(Doc ID 2406069.1)

Last updated on JUNE 07, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

SYSTEM tablespace is growing fast. The top 10 objects occupying huge space includes SYS.SNAP_XCMT$ Table. 

Changes

Commit SCN-based materialized view log created but there is no associated Mview. Materialized view log continues to grow and is not being purged.

Cause

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