Disk file operations I/O
今天看11.2.0.3的trace时，发现这个事件 ，原来 没有见过 ， 查了一下。
Disk file operations I/O
This event is used to wait for disk file operations (for example, open, close, seek, and resize). It is also used for miscellaneous I/O operations such as block dumps and password file accesses.
Wait Time: The wait time is the actual time it takes to do the I/O
Parameter Description
FileOperation Type of file operation
fileno File identification number
filetype Type of file (for example, log file, data file, and so on)
Disk file operations I/O
This event is used to wait for disk file operations (for example, open, close, seek, and resize). It is also used for miscellaneous I/O operations such as block dumps and password file accesses.
Wait Time: The wait time is the actual time it takes to do the I/O
Parameter Description
FileOperation Type of file operation
fileno File identification number
filetype Type of file (for example, log file, data file, and so on)
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/25099483/viewspace-1067684/ ，如需转载，请注明出处，否则将追究法律责任。
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