A User-level Checkpointing Library for POSIX Threads Programs

  • Authors:
  • William R. Dieter;James E. Lumpp Jr

  • Affiliations:
  • -;-

  • Venue:
  • FTCS '99 Proceedings of the Twenty-Ninth Annual International Symposium on Fault-Tolerant Computing
  • Year:
  • 1999

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Abstract

Several user-level checkpointing libraries that checkpoint Unix processes have been developed. However, they do not support multithreaded programs. This paper describes a user-level checkpointing library to checkpoint multithreaded programs that use the POSIX threads library provided by Solaris 2. Experiments with programs from the SPLASH-2 benchmark suite showed a 3% to 10% increase in execution time with checkpointing enabled, plus an additional overhead for saving the program's state.