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SYSTEM Tablespace Using MSSM Is Abnormally Growing And The Clusters C_TOID_VERSION# and/ or C_OBJ#_INTCOL# Are Using Most Of The Space. (Doc ID 943094.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.5 to 10.2.0.4 [Release 10.1 to 10.2]
Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Information in this document applies to any platform.


Symptoms

You could notice that the SYSTEM tablespace is abnormally growing, you try to identify which segments are using most of the space, and you find that the cluster(s) C_TOID_VERSION# and/ or C_OBJ#_INTCOL# is/ are using most of the space.

You can use the below SQL statement to find the top 10 sized segments of the SYSTEM Tablespace:

SQL> col segment_name format a20
SQL> col tablespace_name format a20
SQL> select SEGMENT_NAME, SEGMENT_TYPE, TABLESPACE_NAME, MB from
(select segment_name, segment_type, tablespace_name,bytes/1024/1024 MB, rank() over(order by bytes desc) srank from dba_segments) where srank <=10;

 

Cause

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