# Sorting mechanism

**URL:** <https://discuss.elastic.co/t/sorting-mechanism/123552>\
**Category:** Elasticsearch\
**Created:** [March 12, 2018, 1:20pm UTC](https://discuss.elastic.co/t/sorting-mechanism/123552 "2018-03-12T13:20:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![adityaril](https://avatars.discourse-cdn.com/v4/letter/a/ecd19e/32.png) [@adityaril](https://discuss.elastic.co/u/adityaril)\
**Post date:** [March 12, 2018, 1:20pm UTC](https://discuss.elastic.co/t/sorting-mechanism/123552/1 "2018-03-12T13:20:11Z")

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Hi,

M using elastic search for searching, I want to know which sorting algorithm is used by elastic search by default.

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [March 12, 2018, 2:41pm UTC](https://discuss.elastic.co/t/sorting-mechanism/123552/2 "2018-03-12T14:41:58Z")

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BM25: [https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules-similarity.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules-similarity.html)

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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:** [April 9, 2018, 2:41pm UTC](https://discuss.elastic.co/t/sorting-mechanism/123552/3 "2018-04-09T14:41:58Z")

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Closed on April 9, 2018, 2:41pm UTC

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