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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分类目录归档:Oracle troubleshooting
案例:troubleshooting LCK PROCESS HANG CAUSING ENTIRE DATABASE TO HANG
本案例来自西区某客户,数据库版本为12.2,6节点rac,当时应用反应异常缓慢。 … 继续阅读
案例:troubleshooting ORA-00600: internal error code, arguments: [25015] when drop tablespace
本案例来自北区某客户,数据库版本信息为AIX 7.1 RAC 11.2.0.4, … 继续阅读
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
关于log file sync,这对于每一个oracle dba甚至业务开发人员 … 继续阅读
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
案例:troubleshooting Connection is Slow using SCAN LISTENER
本案例来自西区某客户,数据库版本12.2。客户故障现象为连接local vip正 … 继续阅读
案例:troubleshooting ORA-04030 in MGA on 19c
本案例来自东区某客户,db版本为19.12,业务应用程序频繁报ORA-04030 … 继续阅读
案例:troubleshooting LGWR terminating the instance due to error 4021 on standby
该案例来自南区某客户的standby环境,数据库版本为11.2.0.4,凌晨实例 … 继续阅读
案例:troubleshooting ORA-04031 in “gcs dynamic shadows lms” on 19c
某客户环境rac 19.3出现大量ORA-04031报错,导致业务不能正常运行。