Max limit on the number of values I can specify in the ids filter or generally query clause?

Question

In elasticsearch what is the max limit to specify the value in the number of values a match can be performed on? I read somewhere that it is 1024 but is also configurable. I

Answer 1

Yes! The number of values in fields is configurable. By default it is limited to 1024. You can configure it in the elasticsearch.yml file.

indices.query.bool.max_clause_count: 10000

Note: Increasing the limit will lead to high memory and CPU usage.

Refer to these links for more info:

https://groups.google.com/forum/#!topic/elasticsearch/LqywKHKWbeI

https://github.com/elasticsearch/elasticsearch/issues/482

http://elasticsearch-users.115913.n3.nabble.com/index-query-bool-max-clause-count-Setting-and-TermsQueryParser-td3050751.html

http://elasticsearch-users.115913.n3.nabble.com/Query-string-length-limit-td4054066.html