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- O/S-Error: (OS 23) 数据错误(循环冗余检查) 数据库恢复
- 数据库open报ORA-00959: tablespace ‘UNDOTBS1′ does not exist分析
- ASM删除表空间恢复
- ORA-12518 ORA-27302: 错误发生在: ssthrddcr
- plsql 插入blob
- 分享运气超级好的一次drop tablespace 数据恢复
- segment header异常对象删除处理
- Oracle 数据库(RDBMS)的版本支持状态摘要 (Doc ID 1674382.1)
- [back2023@proxy.tg].eking勒索数据库恢复
- ORA-600 ktbsdp2 处理
- win文件系统损坏oracle恢复
- asm disk 磁盘部分被清空恢复
- File #xxx found in data dictionary but not in controlfile. Creating OFFLINE file ‘MISSING00XXX’ in the controlfile
- commit_wait和commit_logging设置不当导致数据库无法正常启动
- ORA-00742 ORA-00312故障恢复
- 110T oracle故障恢复
- ora-600 kcratr_scan_lastbwr
- .asistchinadecryption扩展名勒索数据库恢复
- .[decrypt20@firemail.cc].eking 数据库勒索恢复
- ocr磁盘组掉盘故障处理
友情链接
标签归档:ogg v$logfile
ogg导致v$logfile查询频繁
在某些版本的ogg中发现ogg抽取进程对v$logfile视图查询影响比较大
对应的sql语句为:SELECT 1 FROM V$LOGFILE WHERE(STATUS NOT IN (‘STALE’, ‘INVALID’) OR STATUS IS NULL) AND MEMBER <> :log_name AND EXISTS ( SELECT 1 FROM V$LOG WHERE GROUP# = V$LOGFILE.GROUP# AND THREAD# = :ora_thread AND SEQUENCE# = :ora_seq_no ) AND ROWNUM = 1
查询mos发现相关问题描述:Query On V$logfile Running Excessive Number Of Times After upgrading ogg to 11.2.1.0.32 or 12.1.2.1.5 or later (Doc ID 2116395.1)和Bug 22650790 : CE 12.1.2.1.9: Query on v$logfile running excessive number of times

根据mos描述在ogg对应版本中设置:TRANLOGOPTIONS _ENABLESTREAMLINEDDBLOGREADER