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what is difference between chk point n phase.Say im loading
a file (containig 1 lakh records) and my
graph fails after loading 50,000th record.What is the
advantage of using check point in this case.
Will i be able to start from 51000th record.
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Answer / ramnana
Phases divide the graph in to parts and executes one after the other to reduce the complexity and encounter deadlocks.
check points are like intermediate nodes which saves the data in to the disk permanently.We have to manual delete the data if we have checkpoints.If we have a successful checkpoint we can always roll back and rerun the graph from that point in case of a failure.
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