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 LGWR library cache lock ogg ohasd ORA-00600[4193] ORA-00600[16703] ORA-04030 ORA-04031 ORA-15042 Predicate Move-Around PST push subquery rac rebalance row cache lock smon truncate view merge 磁盘组无法mount
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月归档:2022年05月
案例:troubleshooting high buffer gets in insert into … values …
本案例来自北区同事的分享,客户是exadata,11.2.0.4版本,故障现象是 … 继续阅读
案例:Troubleshooting library cache lock when concurrent insert
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 … 继续阅读
Troubleshooting: ‘Log file sync’ Waits
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案例:troubleshooting Large Waits With The Wait Event “resmgr:cpu quantum”
本案例来自西区某客户,数据库版本为11.2.0.4,客户反馈应用异常缓慢,几乎处 … 继续阅读