November 1994
Beginner to intermediate
390 pages
13h 21m
English
Content preview from AIX Storage Management
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been queued. The application can then continue working while the
physical disk operation takes place. Obviously not all applications will be
able to take advantage of this feature, but for those that can, the
performance benefits are significant. More information on this feature
can be found in InfoExplorer in the section on
Performance Implications
of Asynchronous Disk I/O
.
− sync and fsync
In a similar fashion to asynchronous disk I/O, the sync() system call
schedules a write of all modified memory data pages to disk, but returns
immediately. Conversely, the fsync() call will not return until the writing
is complete. Those application which must know ...
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