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Checkpoint

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Definitions Edit

A checkpoint is

[a] point in time or processing sequence in a computer run at which processing is momentarily halted to record the condition of all the variables of the run, such as the position of input and output (I/O) tapes and the contents of working storage so that a failed computer run can be restarted at the intermediate point. This process, in conjunction with a restart routine, minimizes reprocessing time occasioned by computer or other failures; sometimes called callback/recovery.[1]
[t]he process of saving the current state of a program and its data, including intermediate results, to disk or other nonvolatile storage, so that, if interrupted, the program could be restarted at the point at which the last checkpoint occurred.[2]

References Edit

  1. Computer Crime: Criminal Justice Resource Manual, Glossary of Technical Terms, at xiii-xiv.
  2. Federal Information System Controls Audit Manual, at 560.

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