# Child Documents performance

**URL:** <https://discuss.elastic.co/t/child-documents-performance/321120>\
**Category:** Elasticsearch\
**Created:** [December 13, 2022, 11:43am UTC](https://discuss.elastic.co/t/child-documents-performance/321120 "2022-12-13T11:43:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Emanuel\_Zienecker](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/emanuel_zienecker/32/77580_2.png) [@Emanuel\_Zienecker](https://discuss.elastic.co/u/Emanuel_Zienecker)\
**Post date:** [December 13, 2022, 11:43am UTC](https://discuss.elastic.co/t/child-documents-performance/321120/1 "2022-12-13T11:43:26Z")

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Hello, I am planning to change the model from nested of parent-child. The following model:

Questions -\> Answer. Currently these were all stored nested, now just as parent-child.

My question now is this: What makes more sense?

If there is one child which can have multiple answers or should each child be only one answer? There can be up to 10000 answers.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [January 10, 2023, 11:43am UTC](https://discuss.elastic.co/t/child-documents-performance/321120/2 "2023-01-10T11:43:39Z")

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