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![andrewvillazon](https://secure.gravatar.com/avatar/4f3d10d9e25bf3997b6cf07434e2926d?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
andrewvillazon
5,553 PointsWhat is meant by 'Heavyweight Object'?
In the video Chris refers to the SessionFactory as a 'heavyweight object'. What does this mean?
1 Answer
![David Sielert](https://secure.gravatar.com/avatar/c736b79c1009af5556c5d6def4ca39d2?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
David Sielert
775 PointsHeavyweight objects can have long inheritance chains and/or encapsulate large objects..
Ronald Williams
Java Web Development Techdegree Graduate 25,021 PointsRonald Williams
Java Web Development Techdegree Graduate 25,021 PointsSessionFactory objects are resource intensive. Having more than one SessionFactory per database can hinder the performance of your application. This is why there should only be one SessionFactory per database.