"Redo aws 사이즈조정"의 두 판 사이의 차이
DB CAFE
(새 문서: →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 ---------- ---------- -...) |
|||
| 1번째 줄: | 1번째 줄: | ||
| + | = AWS REDO 로그 사이즈 변경 = | ||
| + | * 128MB 로그 파일을 512MB로 변경하기 | ||
| + | |||
| + | == 현재 로그 확인 == | ||
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
/* You start with 4 logs of 128 MB each. */ | /* You start with 4 logs of 128 MB each. */ | ||
| − | + | <source lang=sql> | |
select GROUP#, BYTES, STATUS from V$LOG; | select GROUP#, BYTES, STATUS from V$LOG; | ||
| + | </source> | ||
GROUP# BYTES STATUS | GROUP# BYTES STATUS | ||
| 11번째 줄: | 16번째 줄: | ||
4 134217728 INACTIVE | 4 134217728 INACTIVE | ||
| + | |||
| + | == 로그파일 추가(512MB) == | ||
/* Add four new logs that are each 512 MB */ | /* Add four new logs that are each 512 MB */ | ||
| − | + | <source lang=sql> | |
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); | ||
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); | ||
| − | + | </source> | |
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
/* Now there are 8 logs. */ | /* Now there are 8 logs. */ | ||
| − | + | <source lang=sql> | |
select GROUP#, BYTES, STATUS from V$LOG; | select GROUP#, BYTES, STATUS from V$LOG; | ||
| − | + | </source> | |
GROUP# BYTES STATUS | GROUP# BYTES STATUS | ||
---------- ---------- ---------------- | ---------- ---------- ---------------- | ||
| 37번째 줄: | 44번째 줄: | ||
| + | == 128MB사이즈 로그 파일 삭제 == | ||
/* Drop each inactive log using the group number. */ | /* Drop each inactive log using the group number. */ | ||
| − | + | /* 2번은 사용중이므로 삭제 불가 */ | |
| + | <source lang=sql> | ||
exec rdsadmin.rdsadmin_util.drop_logfile(grp => 1); | exec rdsadmin.rdsadmin_util.drop_logfile(grp => 1); | ||
exec rdsadmin.rdsadmin_util.drop_logfile(grp => 3); | exec rdsadmin.rdsadmin_util.drop_logfile(grp => 3); | ||
exec rdsadmin.rdsadmin_util.drop_logfile(grp => 4); | exec rdsadmin.rdsadmin_util.drop_logfile(grp => 4); | ||
| − | + | </source> | |
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
| 59번째 줄: | 68번째 줄: | ||
/* 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 == | ||
exec rdsadmin.rdsadmin_util.switch_logfile; | exec rdsadmin.rdsadmin_util.switch_logfile; | ||
| 78번째 줄: | 88번째 줄: | ||
/* Issue a checkpoint to clear log 2. */ | /* Issue a checkpoint to clear log 2. */ | ||
| − | + | <source lang=sql> | |
exec rdsadmin.rdsadmin_util.checkpoint; | exec rdsadmin.rdsadmin_util.checkpoint; | ||
| − | + | </source> | |
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
| 97번째 줄: | 107번째 줄: | ||
# Drop the final inactive log. | # Drop the final inactive log. | ||
| − | + | <source lang=sql> | |
exec rdsadmin.rdsadmin_util.drop_logfile(grp => 2); | exec rdsadmin.rdsadmin_util.drop_logfile(grp => 2); | ||
| − | + | </source> | |
/* Query V$LOG to see the logs. */ | /* Query V$LOG to see the logs. */ | ||
2019년 8월 19일 (월) 19:04 판
- 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 INACTIVE
1.2 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 UNUSED
1.3 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