I've did few quick benchmarks and found that iterator is indeed memory safe even for larger data sets. Performance vise its better to don't sort those iterated querysets, which makes them more memory efficient.
coverage: 98.676% (-0.02%) from 98.697%
when pulling 1998eb2dbe4f6577793cd92e29696ebb28b490fd on fix-1715-remove-chunk-queryset
into 467eaf409c0be2cd9b1f8fb192e084127a3a31f2 on main.
I've did few quick benchmarks and found that iterator is indeed memory safe even for larger data sets. Performance vise its better to don't sort those iterated querysets, which makes them more memory efficient.
Fixes #1715