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Atomic saves #2760
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Atomic saves #2760
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Patch description
When working with these very large files, we have to worry about our cluster scheduler preempting our jobs in the middle of saving. This change makes the saving of model files atomic by saving to a temporary file, and then renaming the file to the goal.
Needs to have some spurious changes stripped from it (I was trying to make saving atomic).
Testing steps
Manual testing. CI