FILESYSTEMIO_OPTIONS

FILESYSTEMIO_OPTIONS specifies I/O operations for file system files. This parameter is platform-specific and has a default value that is suitable for a particular platform.

Property	Description
Parameter type	String
Syntax	FILESYSTEMIO_OPTIONS = { ASYNCH | DIRECTIO | SETALL | NONE }
Default value	Varies by database version and operating system.
Modifiable	No
Modifiable in a PDB	No
Basic	No

Values:

• ASYNCH - Enable asynchronous I/O on file system files, which has no timing requirement for transmission.

• DIRECTIO - Enable direct I/O on file system files, which bypasses the buffer cache.

• SETALL - Enable both asynchronous and direct I/O on file system files.

• NONE - Disable both asynchronous and direct I/O on file system files.

See Also:

• Your platform-specific documentation for more details

• Oracle AI Database Performance Tuning Guide for information about setting this parameter before running I/O calibration