Two step development if tank is too small for diluted developer

For example, in order to have proper amount of an undiluted developer per film I need 1 liter of the diluted developer, but the tank capacity is only 0.5 liter. The idea is to develop half of the full time in first 0.5 liter of the solution, then the rest of the time in the second 0.5 liter. Has anybody tried it? Any special considerations? E.g. has the full time to be split in equal parts etc?

Thanks

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