Answers are grounded in this paper and cite their sources.
Consistent global snapshots are important in many distributed applications. We prove the exact conditions for an arbitrary checkpoint, or a set of checkpoints, to belong to a consistent global snapshot, a previously open problem. To describe the conditions, we introduce a generalization of Lamport's (1978) happened-before relation called a zigzag path.>
No takes yet. Share an insight, caveat, or question.
Netzer et al. (1995) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: