What's the difference between a phase and a checkpoint?

A checkpoint is a phase break, but not all phase breaks are a checkpoint. You can restart a graph from the last successful checkpoint, not the last successful phase break. the purpose of a checkpoint is for recovery, and it has overhead (writing the flow to the disk) so use sparingly.

Explanation:

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A checkpoint is a phase break, but not all phase breaks are a checkpoint. You can restart a graph from the last successful checkpoint, not the last successful phase break. the purpose of a checkpoint is for recovery, and it has overhead (writing the flow to the disk) so use sparingly. Hope this helps. :)

Explanation:

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