6ee24849__Django_documentation___Django__Save_Keyword_Arguments
[Description] If set with an integer, transactions will occur at every step interval. For example, if step=1000, a commit would occur after the 1,000th feature, the 2,000th feature etc. [Save Keyword Arguments] 
step
f i d _ r a n g e
p r o g r e s s
s i l e n t
s t e p
s t r e a m
s t r i c t
v e r b o s e
LayerMapping data import utility | Django documentation | Django
Save Keyword Arguments