2022-05-15
归档日志空间占用和实际不符
1、归档设置
| NUM | NAME | TYPE | VALUE | DISPLAY_VALUE | ISDEFAULT | ISSES_MODIFIABLE | ISSYS_MODIFIABLE | ISINSTANCE_MODIFIABLE | ISMODIFIED | ISADJUSTED | ISDEPRECATED | ISBASIC | DESCRIPTION | UPDATE\_COMMENT | HASH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 993 | log\_archive\_dest\_1 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | TRUE | archival destination #1 text string | NULL | 2668113655 |
| 1002 | log\_archive\_dest\_10 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #10 text string | NULL | 4052929217 |
| 1003 | log\_archive\_dest\_11 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #11 text string | NULL | 250996408 |
| 1004 | log\_archive\_dest\_12 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #12 text string | NULL | 2055242793 |
| 1005 | log\_archive\_dest\_13 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #13 text string | NULL | 3129541886 |
| 1006 | log\_archive\_dest\_14 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #14 text string | NULL | 646973396 |
| 1007 | log\_archive\_dest\_15 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #15 text string | NULL | 2102065363 |
| 1008 | log\_archive\_dest\_16 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #16 text string | NULL | 3433075299 |
| 1009 | log\_archive\_dest\_17 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #17 text string | NULL | 3605958982 |
| 1010 | log\_archive\_dest\_18 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #18 text string | NULL | 2185923656 |
| 1011 | log\_archive\_dest\_19 | 2 | NULL | NULL | TRUE | TRUE | IMMEDIATE | TRUE | FALSE | FALSE | FALSE | FALSE | archival destination #19 text string | NULL | 3460444459 |
| 1170 | db\_recovery\_file\_dest | 2 | +ssd | +ssd | FALSE | FALSE | IMMEDIATE | FALSE | FALSE | FALSE | FALSE | TRUE | default database recovery file location | NULL | 3387568471 |
2、查询空间利用发现可回收的非常少,因为空间使用了600GB
SELECT * FROM V$RECOVERY_FILE_DEST;
| NAME | SPACE_LIMIT | SPACE_USED | SPACE_RECLAIMABLE | NUMBER_OF_FILES |
|---|---|---|---|---|
| +ssd | 858993459200 | 644224122880 | 0 | 14987 |
但是查询归档日志数量空的

3、查询整个空间使用
SELECT * FROM V$RECOVERY_AREA_USAGE;
| FILE_TYPE | PERCENT_SPACE_USED | PERCENT_SPACE_RECLAIMABLE | NUMBER_OF_FILES |
|---|---|---|---|
| CONTROL FILE | 0 | 0 | 0 |
| REDO LOG | 0 | 0 | 0 |
| ARCHIVED LOG | 0 | 0 | 0 |
| BACKUP PIECE | 0 | 0 | 0 |
| IMAGE COPY | 0 | 0 | 0 |
| FLASHBACK LOG | 0 | 0 | 0 |
| FOREIGN ARCHIVED LOG | 0 | 0 | 0 |
没有发现归档日志的使用空间
进入存储进行查询才4GB多

4、检查多余数据无


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