How to purge SYSAUX Tablespace (SQL_MANAGEMENT_BASE Occupant)

  • From: Sourav Biswas <biswas.sourav@xxxxxxxxxxx>
  • To: Oracle Mailinglist <oracle-l@xxxxxxxxxxxxx>
  • Date: Fri, 30 Aug 2019 11:51:01 +0000

Hi All,

What is the fastest and safest way to Purge SYSAUX tablespace. Currently it has 
grown to ~ 1tb in size. Please suggest as SQL_MANAGEMENT_BASE occupant needs to 
be released. Currently we have disabled automatic baseline gather. Its 
retention is 53 weeks.

Please suggest.


*****************************************************
(1a) SYSAUX usage - Schema breakdown (dba_segments)
*****************************************************
|
| Total SYSAUX size                    931,055.5 MB ( AUTOEXTEND ON for 33 out 
of 36 files )
| Fixed limit                           92,157.0 MB
| Auto Extent limit                  1,081,343.5 MB
|
| Schema  SYS          occupies        925,270.8 MB (  99.4% )
| Schema  AUDSYS       occupies          4,948.6 MB (   0.5% )
| Schema  APEX_050000  occupies            339.7 MB (   0.0% )
| Schema  APEX_040200  occupies            247.4 MB (   0.0% )
| Schema  MDSYS        occupies            120.9 MB (   0.0% )
| Schema  XDB          occupies             67.7 MB (   0.0% )
| Schema  ORDDATA      occupies             17.4 MB (   0.0% )
| Schema  SYSTEM       occupies             16.8 MB (   0.0% )
| Schema  WMSYS        occupies              9.9 MB (   0.0% )
| Schema  DVSYS        occupies              5.3 MB (   0.0% )
| Schema  GSMADMIN_INT occupies              4.6 MB (   0.0% )
| Schema  CTXSYS       occupies              4.1 MB (   0.0% )
| Schema  DBSNMP       occupies              1.4 MB (   0.0% )
| Schema  ORDSYS       occupies              0.4 MB (   0.0% )
| Schema  DBSFWUSER    occupies              0.4 MB (   0.0% )
| Schema  APPQOSSYS    occupies              0.1 MB (   0.0% )
|
********************************************************
(1b) SYSAUX occupants space usage (v$sysaux_occupants)
********************************************************
|
| Occupant Name        Schema Name               Space Usage
| -------------------- -------------------- ----------------
| SQL_MANAGEMENT_BASE  SYS                      742,080.9 MB
| SM/AWR               SYS                      141,251.1 MB
| AUDSYS               AUDSYS                     4,948.6 MB
| SM/ADVISOR           SYS                        4,289.8 MB
| SM/OPTSTAT           SYS                        2,977.3 MB
| JOB_SCHEDULER        SYS                          124.8 MB
| SDO                  MDSYS                        120.9 MB
| SM/OTHER             SYS                           72.8 MB
| XDB                  XDB                           67.7 MB
| AO                   SYS                           42.4 MB
| XSOQHIST             SYS                           42.4 MB
| ORDIM/ORDDATA        ORDDATA                       17.4 MB
| LOGMNR               SYSTEM                        14.6 MB
| WM                   WMSYS                          9.9 MB
| TEXT                 CTXSYS                         4.1 MB
| SMON_SCN_TIME        SYS                            3.3 MB
| PL/SCOPE             SYS                            2.6 MB
| LOGSTDBY             SYSTEM                         1.5 MB
| EM_MONITORING_USER   DBSNMP                         1.4 MB
| STREAMS              SYS                            1.2 MB
| ORDIM                ORDSYS                         0.4 MB
| AUTO_TASK            SYS                            0.4 MB
| AUDIT_TABLES         SYS                            0.0 MB
| EM                   SYSMAN                         0.0 MB
| EXPRESSION_FILTER    EXFSYS                         0.0 MB
| ORDIM/ORDPLUGINS     ORDPLUGINS                     0.0 MB
| ORDIM/SI_INFORMTN_SC SI_INFORMTN_SCHEMA             0.0 MB
| STATSPACK            PERFSTAT                       0.0 MB
| TSM                  TSMSYS                         0.0 MB
| ULTRASEARCH          WKSYS                          0.0 MB
| ULTRASEARCH_DEMO_USE WK_TEST                        0.0 MB
| XSAMD                OLAPSYS                        0.0 MB
|
| Others (Unaccounted space)                     34,980.1 MB
|

******************************************
(1c) SYSAUX usage - Unregistered Schemas
******************************************

| This section displays schemas that are not registered
| in V$SYSAUX_OCCUPANTS
|
| Schema  APEX_050000  occupies            339.7 MB
| Schema  APEX_040200  occupies            247.4 MB
| Schema  DVSYS        occupies              5.3 MB
| Schema  GSMADMIN_INT occupies              4.6 MB
| Schema  DBSFWUSER    occupies              0.4 MB
| Schema  APPQOSSYS    occupies              0.1 MB
|
| Total space                              597.4 MB
|




Best Regards,
Sourav Biswas
+91-9650017306

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