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:

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.