本案例来自南区某客户,数据库版本为rac 11.2.0.4,同事反馈在短短1分钟左右出现大量的活动会话,等待事件为library cache lock,并伴随着row cache lock。之后没有做任何调整就恢复了正常。客户需要知道异常的原因。 继续阅读
ACD Active Change Directory AMDU ASM asm disk ASM恢复 asm文件 asm磁盘头 AT bbed block prefetch CBO COD Continuing Operations Directory crash Disk directory disk header drop database EXADATA file directory filter FST gc buffer busy acquire gdb JPPD ksfqpn ohasd ORA-00600[4193] ORA-00600[16703] ORA-04030 ORA-04031 ORA-15042 Predicate Move-Around PST push subquery Query transformations rac rebalance row cache lock set join conversion SJC systatedump truncate UNDO 磁盘组无法mount
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