试题详情
- 多项选择题 You work as a database administrator for Certkiller .com. Users in the Certkiller PROD database complain about the slow response when accessing the database. In the Active Session Waiting： Configuration page you find that the majority of the wait time is for the redo log buffer.Further investigation using the Run Queue graph and operating system tools reveals that the redo log files are on the same disks， and that the disk I/O for the redo log files is the reason for the performance degradation. Which two actions would you take to gain performance？（）
A、Increase the size of redo log files
B、Increase the size of redo log buffer
C、Increase the number of redo log files
D、Place the redo log files on a separate disk
E、Decrease the number of redo log groups to two
F、Increate the number Log Writer （LGWR） process
- B,D
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