# Overheads of using nested type over arrays

**URL:** <https://discuss.elastic.co/t/overheads-of-using-nested-type-over-arrays/5918>\
**Category:** Elasticsearch\
**Created:** [November 20, 2011, 8:17am UTC](https://discuss.elastic.co/t/overheads-of-using-nested-type-over-arrays/5918 "2011-11-20T08:17:50Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![vineeth\_mohan](https://avatars.discourse-cdn.com/v4/letter/v/bc79bd/32.png) [@vineeth\_mohan](https://discuss.elastic.co/u/vineeth_mohan)\
**Post date:** [November 20, 2011, 8:17am UTC](https://discuss.elastic.co/t/overheads-of-using-nested-type-over-arrays/5918/1 "2011-11-20T08:17:50Z")

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Hello Shay ,

Can you tell us what is the overhead of using nested type over arrays.  
Will it eat up more computation time or memory ??

Tbanks  
Vineeth

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**Author:** ![kimchy](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kimchy/32/44952_2.png) [@kimchy](https://discuss.elastic.co/u/kimchy)\
**Post date:** [November 20, 2011, 9:00am UTC](https://discuss.elastic.co/t/overheads-of-using-nested-type-over-arrays/5918/2 "2011-11-20T09:00:42Z")

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Answered the _same_ question on another thread.

On Sun, Nov 20, 2011 at 10:17 AM, Vineeth Mohan  
[vineethmohan@algotree.com](mailto:vineethmohan@algotree.com)wrote:

> Hello Shay ,
> 
> Can you tell us what is the overhead of using nested type over arrays.  
> Will it eat up more computation time or memory ??
> 
> Tbanks  
> Vineeth

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 3:48am UTC](https://discuss.elastic.co/t/overheads-of-using-nested-type-over-arrays/5918/3 "2017-07-06T03:48:08Z")

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Closed on July 6, 2017, 3:48am UTC