Summary information |
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|---|---|
Default value |
1 (on) |
Valid values |
0 (off), 1 (on) |
Status |
Static |
Display level |
Comprehensive |
Required role |
System Administrator |
Configuration group |
Disk I/O |
The allow sql server async i/o parameter enables Adaptive Server to run with asynchronous disk I/O. To use asynchronous disk I/O, you must enable it on both Adaptive Server and your operating system. See your operating system documentation for information on enabling asynchronous I/O at the operating system level.
In all circumstances, disk I/O runs faster asynchronously than synchronously. This is because when Adaptive Server issues an asynchronous I/O, it does not have to wait for a response before issuing further I/Os.
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