High Load on Oracle Standby: I/O and RECOVERY_PARALLELISM
Learn how high load on a mounted Oracle standby can be caused by redo apply parallelism, not slow storage. This blog reviews iostat, I/O queuing, and how tuning recovery parallelism…
Active DataGuard
ORA-01555 on Standby
ORA-01555 on standby explained. How redo apply lag, missing standby redo logs, and undo retention impact query consistency in standby.