- While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN)incremental level 0 backup is a bottleneck FORCE I OGGING is enabled for the database Which two could improve read performance()?
A、Disable FORCE LOGGING for the database
B、Enable asynchronous disk I/O
C、Increase the size of the database buffer cache.
D、Increase the level of RMAN multiplexing
E、Increase the size of tape I/O buffers
improve read performance 可以开启异步IO或者多通道增加读的速度。
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oracle
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