# Concave geo shapes in 1.7.x

**URL:** <https://discuss.elastic.co/t/concave-geo-shapes-in-1-7-x/185948>\
**Category:** Elasticsearch\
**Created:** [June 15, 2019, 4:22pm UTC](https://discuss.elastic.co/t/concave-geo-shapes-in-1-7-x/185948 "2019-06-15T16:22:05Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Ignacio\_Vera](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ignacio_vera/32/36674_2.png) [@Ignacio\_Vera](https://discuss.elastic.co/u/Ignacio_Vera)\
**Post date:** [June 19, 2019, 8:16am UTC](https://discuss.elastic.co/t/concave-geo-shapes-in-1-7-x/185948/4 "2019-06-19T08:16:20Z")

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This behaviour is expected, have a look at this post:

> [@Find geo hash](https://discuss.elastic.co/t/find-geo-hash/181978):
>
> How do I find the length of geo hash elasticsearch is using to store geoshapes in my ES index? Elasticsearch version - 6.1.2 I have been seeing some really bad false positives detected by elasticsearch intersects geo query when polygons(~36MB) are really big.

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