Flash memory has an inherent limitation on the number of reliable write
operations. Unfortunately, that number is measured not in millions, but
in thousands:
Like all flash memory devices, flash drives can sustain only
a limited number of write and erase cycles before failure.
Mid-range flash drives under normal conditions will support
several hundred thousand cycles, although write operations
will gradually slow as the device ages. This should be a
consideration when using a flash drive to run application
software or an operating system.
<http://en.wikipedia.org/wiki/USB_flash_drive#Strengths_and_weaknesses>
The implications for applications are significant, esp. those which
might seek the user convenience of an auto-save feature.
Have any of you had a flash drive fail on writes?
How serious do you think this limitation is in practical use?
--
Richard Gaskin
Managing Editor, revJournal
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