问题现象:SYSTEM表空间使用率超99%,前期设计时SYSTEM表空间是10G固定大小不允许自动扩展。
set linesize 200
col TABLESPACE_NAME for a25
col SUM_SPACE(M) for a20
col USED_SPACE(M) for a20
col USED_RATE(%) for a20
col FREE_SPACE(M) for a20
SELECT D.TABLESPACE_NAME,
SPACE || 'M' "SUM_SPACE(M)",
BLOCKS "SUM_BLOCKS",
SPACE - NVL (FREE_SPACE, 0) || 'M' "USED_SPACE(M)",
ROUND ( (1 - NVL (FREE_SPACE, 0) / SPACE) * 100, 2) || '%'
"USED_RATE(%)",
FREE_SPACE || 'M' "FREE_SPACE(M)"
FROM ( SELECT TABLESPACE_NAME,
ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
SUM (BLOCKS) BLOCKS
FROM DBA_DATA_FILES
GROUP BY TABLESPACE_NAME) D,
( SELECT TABLESPACE_NAME,
ROUND (SUM (BYTES) / (1024 * 1024), 2) FREE_SPACE
FROM DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F
WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
AND D.TABLESPACE_NAME = 'SYSTEM';
SELECT OWNER, SEGMENT_NAME, SEGMENT_TYPE, SUM(BYTES)/1024/1024
FROM DBA_SEGMENTS
WHERE TABLESPACE_NAME = 'SYSTEM'
GROUP BY OWNER, SEGMENT_NAME, SEGMENT_TYPE
ORDER BY 4;
truncate table AUD$;
SELECT OWNER, TABLE_NAME, TABLESPACE_NAME
FROM DBA_TABLES
WHERE TABLE_NAME = 'AUD$'
AND OWNER = 'SYS';
BEGIN
DBMS_AUDIT_MGMT.SET_AUDIT_TRAIL_LOCATION(
AUDIT_TRAIL_TYPE => DBMS_AUDIT_MGMT.AUDIT_TRAIL_AUD_STD,
AUDIT_TRAIL_LOCATION_VALUE => '&AUD_TBS_NAME');
END;
/