Many “log file switch" wait events are observed during Oracle performance diagnosis, which ways can be used to optimize the performance? (Multiple Choice)

Many “log file switch" wait events are observed during Oracle performance diagnosis, which ways can be used to optimize the performance? (Multiple Choice)
A . Increase log cache.
B . Migrate thelog file to the high performance layer.
C . Increase the number of log groups.
D . Increase the concurrency and throughput for archiving the log file.

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Answer: A,C,D