win10下github for desktop log in failed
打开gitshell 执行以下操作:C:\Users\liupeng\Documents\GitHub> git config --global user.name "xxxx"C:\Users\liupeng\Documents\GitHub> git config --global user.email "xxxxx@xxxx"
DG Broker管理dataguard注意事项
Once you start usingthe Broker you must always use the Broker to make any changes toyour Data Guard configuration. This means that you must useGrid Control or the Broker CLI DGMGRL to change any Data Guardsettings. If you use SQL*Plus to make configuratio...
enq: TM - contention解决之道——外键无索引导致锁争用(下)
enq: TM - contention解决之道——外键无索引导致锁争用
enq: TM - contention解决之道——外键无索引导致锁争用(上)
近日,开发负责人反映某生产环境业务处理缓慢,主要业务操作就是修改会员信息,登录查询后发现大量的session正在等待enq: TM - contention,且waiting的语句几乎都是update,session的即时信息没有保留,现在附上ash视图的一些统计信息,可以大概了解一下当时争用的场景SQL> @ash_wait_chains.sql username||...
Data Guard ORA-16825、ORA-16661解决一例
Data Guard ORA-16825、ORA-16661
Data Guard配置Broker解决ORA-16664、ORA-16792
给某一个客户安装ADG完毕,配置Broker方便日后的管理与切换,碰到些许问题,以作记录 创建完configuration之后,enable的过程很慢,而且状态出现error 主库查询:DGMGRL> SHOW CONFIGURATION VERBOSE;Configuration - anxinconfProtection Mode: MaxAvailability...
ORA-31617 unable to open dump file for write
Question: I am getting the ORA-31693 error during a data pump export in RAC:ORA-31693: Table data object "xxx" failed to load/unload and is being skipped due to error:ORA-31617: unable to open dump file "/u01/expdp/dump_test.dmp" for writeORA-19505: failed to identify file "/u01/e...
Oracle DataGuard switchover切换一例
Oracle DataGuard switchover切换
strace解决sqlplus登陆缓慢的问题一例
strace解决sqlplus登陆缓慢的问题一例