# Max length for \_id type

**URL:** <https://discuss.elastic.co/t/max-length-for-id-type/106825>\
**Category:** Elasticsearch\
**Created:** [November 8, 2017, 9:15am UTC](https://discuss.elastic.co/t/max-length-for-id-type/106825 "2017-11-08T09:15:59Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [November 8, 2017, 9:50am UTC](https://discuss.elastic.co/t/max-length-for-id-type/106825/2 "2017-11-08T09:50:11Z")

</div>

Based on this [old thread](https://discuss.elastic.co/t/maximum-length-of-a-specified-document-id/4262) the maximum id length is 512 bytes.

---

_[View the full topic](https://discuss.elastic.co/t/max-length-for-id-type/106825)._