Method and system for providing coordinated checkpointing to...

Details Method and system for providing coordinated checkpointing to... Method and system for providing coordinated checkpointing to...

2008-12-15

2011-12-13

Baderman, Scott (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S035000

Reexamination Certificate

active

08078910

ABSTRACT:
A method and system of checkpointing single process application groups and multi-process application groups. In an exemplary embodiment, the method may include creating at least one full checkpoint for each application in an application group, and creating at least one incremental application checkpoint for each application in the application group. Further, each of the at least one incremental application checkpoint may be automatically merged against a corresponding full application checkpoint. Further, checkpointing may be synchronized across all applications in the application group. In the exemplary embodiment, each application may use both fork( ) and exec( ) in any combination.

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