Recovery segments
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 9, 2014
Issued Date -
N/A
app pub date -
Apr 27, 2012
filing date -
Apr 27, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
In one example, a method for implementing recovery segments includes sending an application message from a parent process executed by a first computing device to a child process executed by a second computing device and identifying a dependency created by the application message. This identified dependency is included in a dependence set of the child process and saved. A checkpoint is generated by the parent process and a checkpoint message that includes dependency information is sent from the parent process to the child process. The child process modifies the dependence set according to the dependency information and generates a second checkpoint that is saved in nonvolatile memory of the second computing device. Upon occurrence of a failure of the parent process, the child process reverts to a most recent checkpoint generated by the child process that does not include the effects of processing an orphan message.
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