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hibernate-demo/docs/output/association-n-plus-one.txt
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@BatchSize(10): 100 authors, 11 queries (expected 11 = 1 + ceil(100/10)), books touched = 300
@EntityGraph (fetchgraph hint): 100 authors, 1 queries, books touched = 300
JPQL JOIN FETCH: 100 authors, 1 queries, books touched = 300
=== Side-by-side query counts for 100 authors x 3 books each ===
naive lazy iteration : 101 queries
JPQL JOIN FETCH : 1 queries
@EntityGraph : 1 queries
@BatchSize(10) : 11 queries