Increment kvstore's non_empty_dicts only on first insert #13528
Merged
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Found by @oranagra
Currently, when the size of dict becomes 1, we do not check whether
delta
is positive or negative.As a result,
non_empty_dicts
is still incremented when the size of dict changes from 2 to 1.We should only increment
non_empty_dicts
whendelta
is positive, as this indicates the first time an element is inserted into the dict.