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> This has been demonstrated to be not true. Again, see ckpt for a simple > example. > > Oh, right, well willingness to run inside of a container *is* something we > would require :) Not needed for checkpointing a single process, > however - see ckpt. Be careful not to assume that some set of requirements on our result is an appropriate set because, for each requirement, someone else has demonstrated a solution that meets that requirement. Sometimes there are tradeoffs. For example, ckpt will checkpoint/restart a single task without kernel support, but doesn't preserve (from its README at http://www.cs.wisc.edu/~zandy/ckpt/README): - File descriptors of open files, special devices, pipes, and sockets; - Interprocess communication state (such as shared memory, semaphores, mutex, messages); - Kernel-level thread state; - Process identifiers, including process id, process group; id, user id, or group id. and doesn't work with static bound programs (uses PRELOAD). -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson <pj@sgi.com> 1.925.600.0401 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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