There're a limit for _id type? I think that in the past I read some limitation for _id and I put a limit for my docs with 20 digits, but I like use usually format for UUID in my ORM

Max length for _id type

Christian_Dahlqvist (Christian Dahlqvist) November 8, 2017, 9:50am 2

Based on this old thread the maximum id length is 512 bytes.

Topic		Replies	Views
Validation Failed: 1: id is too long, must be no longer than 512 bytes Elasticsearch	2	1992	November 5, 2017
Maximum length of a specified document ID Elasticsearch	3	13474	July 5, 2017
_id length Elasticsearch	7	3143	June 20, 2019
Max Id Size Elasticsearch	2	474	July 6, 2017
Id is too long, must be no longer than 512 Elasticsearch	3	3632	April 27, 2017

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Max length for _id type

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