"Redo aws 사이즈조정"의 두 판 사이의 차이
DB CAFE
| 8번째 줄: | 8번째 줄: | ||
select GROUP#, BYTES, STATUS from V$LOG; | select GROUP#, BYTES, STATUS from V$LOG; | ||
</source> | </source> | ||
| − | + | <source lang=bash> | |
GROUP# BYTES STATUS | GROUP# BYTES STATUS | ||
---------- ---------- ---------------- | ---------- ---------- ---------------- | ||
| 15번째 줄: | 15번째 줄: | ||
3 134217728 INACTIVE | 3 134217728 INACTIVE | ||
4 134217728 INACTIVE | 4 134217728 INACTIVE | ||
| − | + | </source> | |
== 로그파일 추가(512MB) == | == 로그파일 추가(512MB) == | ||
| 32번째 줄: | 32번째 줄: | ||
select GROUP#, BYTES, STATUS from V$LOG; | select GROUP#, BYTES, STATUS from V$LOG; | ||
</source> | </source> | ||
| + | |||
| + | <source lang=bash> | ||
GROUP# BYTES STATUS | GROUP# BYTES STATUS | ||
---------- ---------- ---------------- | ---------- ---------- ---------------- | ||
| 42번째 줄: | 44번째 줄: | ||
7 536870912 UNUSED | 7 536870912 UNUSED | ||
8 536870912 UNUSED | 8 536870912 UNUSED | ||
| − | + | </source> | |
== 128MB사이즈 로그 파일 삭제 == | == 128MB사이즈 로그 파일 삭제 == | ||
| 55번째 줄: | 57번째 줄: | ||
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
/* Now there are 5 logs. */ | /* Now there are 5 logs. */ | ||
| − | + | <source lang=sql> | |
select GROUP#, BYTES, STATUS from V$LOG; | select GROUP#, BYTES, STATUS from V$LOG; | ||
| − | + | </source> | |
| + | <source lang=bash> | ||
GROUP# BYTES STATUS | GROUP# BYTES STATUS | ||
---------- ---------- ---------------- | ---------- ---------- ---------------- | ||
| 65번째 줄: | 68번째 줄: | ||
7 536870912 UNUSED | 7 536870912 UNUSED | ||
8 536870912 UNUSED | 8 536870912 UNUSED | ||
| − | + | </source> | |
/* Switch logs so that group 2 is no longer current. */ | /* Switch logs so that group 2 is no longer current. */ | ||
== 스위치 로그 발생하여 다음 파일 active == | == 스위치 로그 발생하여 다음 파일 active == | ||
| − | + | <source lang=sql> | |
exec rdsadmin.rdsadmin_util.switch_logfile; | exec rdsadmin.rdsadmin_util.switch_logfile; | ||
| − | + | </source> | |
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
/* Now one of the new logs is current. */ | /* Now one of the new logs is current. */ | ||
| − | + | <source lang=sql> | |
SQL>select GROUP#, BYTES, STATUS from V$LOG; | SQL>select GROUP#, BYTES, STATUS from V$LOG; | ||
| − | + | </source> | |
| + | <source lang=bash> | ||
GROUP# BYTES STATUS | GROUP# BYTES STATUS | ||
---------- ---------- ---------------- | ---------- ---------- ---------------- | ||
| 85번째 줄: | 89번째 줄: | ||
7 536870912 UNUSED | 7 536870912 UNUSED | ||
8 536870912 UNUSED | 8 536870912 UNUSED | ||
| − | + | </source> | |
/* Issue a checkpoint to clear log 2. */ | /* Issue a checkpoint to clear log 2. */ | ||
| 94번째 줄: | 98번째 줄: | ||
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
/* Now the final original log is inactive. */ | /* Now the final original log is inactive. */ | ||
| − | + | <source lang=sql> | |
select GROUP#, BYTES, STATUS from V$LOG; | select GROUP#, BYTES, STATUS from V$LOG; | ||
| − | + | </source> | |
| + | <source lang=bash> | ||
GROUP# BYTES STATUS | GROUP# BYTES STATUS | ||
---------- ---------- ---------------- | ---------- ---------- ---------------- | ||
| 104번째 줄: | 109번째 줄: | ||
7 536870912 UNUSED | 7 536870912 UNUSED | ||
8 536870912 UNUSED | 8 536870912 UNUSED | ||
| − | + | </source> | |
# Drop the final inactive log. | # Drop the final inactive log. | ||
| 113번째 줄: | 118번째 줄: | ||
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
/* Now there are four 512 MB logs. */ | /* Now there are four 512 MB logs. */ | ||
| − | + | <source lang=sql> | |
select GROUP#, BYTES, STATUS from V$LOG; | select GROUP#, BYTES, STATUS from V$LOG; | ||
| + | </source> | ||
| + | <source lang=bash> | ||
GROUP# BYTES STATUS | GROUP# BYTES STATUS | ||
---------- ---------- ---------------- | ---------- ---------- ---------------- | ||
| 122번째 줄: | 129번째 줄: | ||
7 536870912 UNUSED | 7 536870912 UNUSED | ||
8 536870912 UNUSED | 8 536870912 UNUSED | ||
| + | </source> | ||
2019년 8월 19일 (월) 19:07 판
thumb_up 추천메뉴 바로가기
- DBA { Oracle DBA 명령어 > DBA 초급 과정 > DBA 고급 과정 }
- 튜닝 { 오라클 튜닝 목록 }
- 모델링 { 데이터 모델링 가이드 }
목차
1 AWS REDO 로그 사이즈 변경[편집]
- 128MB 로그 파일을 512MB로 변경하기
1.1 현재 로그 확인[편집]
/* Query V$LOG to see the logs. */ /* You start with 4 logs of 128 MB each. */
select GROUP#, BYTES, STATUS from V$LOG;GROUP# BYTES STATUS
---------- ---------- ----------------
1 134217728 INACTIVE
2 134217728 CURRENT
3 134217728 INACTIVE
4 134217728 INACTIVE1.2 로그파일 추가(512MB)[편집]
/* Add four new logs that are each 512 MB */
exec rdsadmin.rdsadmin_util.add_logfile(bytes => 536870912);
exec rdsadmin.rdsadmin_util.add_logfile(bytes => 536870912);
exec rdsadmin.rdsadmin_util.add_logfile(bytes => 536870912);
exec rdsadmin.rdsadmin_util.add_logfile(bytes => 536870912);/* Query V$LOG to see the logs. */ /* Now there are 8 logs. */
select GROUP#, BYTES, STATUS from V$LOG;GROUP# BYTES STATUS
---------- ---------- ----------------
1 134217728 INACTIVE
2 134217728 CURRENT
3 134217728 INACTIVE
4 134217728 INACTIVE
5 536870912 UNUSED
6 536870912 UNUSED
7 536870912 UNUSED
8 536870912 UNUSED1.3 128MB사이즈 로그 파일 삭제[편집]
/* Drop each inactive log using the group number. */ /* 2번은 사용중이므로 삭제 불가 */
exec rdsadmin.rdsadmin_util.drop_logfile(grp => 1);
exec rdsadmin.rdsadmin_util.drop_logfile(grp => 3);
exec rdsadmin.rdsadmin_util.drop_logfile(grp => 4);/* Query V$LOG to see the logs. */ /* Now there are 5 logs. */
select GROUP#, BYTES, STATUS from V$LOG;GROUP# BYTES STATUS
---------- ---------- ----------------
2 134217728 CURRENT
5 536870912 UNUSED
6 536870912 UNUSED
7 536870912 UNUSED
8 536870912 UNUSED/* Switch logs so that group 2 is no longer current. */
1.4 스위치 로그 발생하여 다음 파일 active[편집]
exec rdsadmin.rdsadmin_util.switch_logfile;/* Query V$LOG to see the logs. */ /* Now one of the new logs is current. */
SQL>select GROUP#, BYTES, STATUS from V$LOG;GROUP# BYTES STATUS
---------- ---------- ----------------
2 134217728 ACTIVE
5 536870912 CURRENT
6 536870912 UNUSED
7 536870912 UNUSED
8 536870912 UNUSED/* Issue a checkpoint to clear log 2. */
exec rdsadmin.rdsadmin_util.checkpoint;/* Query V$LOG to see the logs. */ /* Now the final original log is inactive. */
select GROUP#, BYTES, STATUS from V$LOG;GROUP# BYTES STATUS
---------- ---------- ----------------
2 134217728 INACTIVE
5 536870912 CURRENT
6 536870912 UNUSED
7 536870912 UNUSED
8 536870912 UNUSED- Drop the final inactive log.
exec rdsadmin.rdsadmin_util.drop_logfile(grp => 2);/* Query V$LOG to see the logs. */ /* Now there are four 512 MB logs. */
select GROUP#, BYTES, STATUS from V$LOG;GROUP# BYTES STATUS
---------- ---------- ----------------
5 536870912 CURRENT
6 536870912 UNUSED
7 536870912 UNUSED
8 536870912 UNUSED