# Is dfs\_query\_then\_fetch automatically disabled on single shard?

**URL:** https://discuss.elastic.co/t/is-dfs-query-then-fetch-automatically-disabled-on-single-shard/350351
**Category:** Elasticsearch
**Created:** [January 4, 2024, 5:17am UTC](https://discuss.elastic.co/t/is-dfs-query-then-fetch-automatically-disabled-on-single-shard/350351 "2024-01-04T05:17:34Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Yukha\_Dharmeswara](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/yukha_dharmeswara/32/123770_2.png) [@Yukha\_Dharmeswara](https://discuss.elastic.co/u/Yukha_Dharmeswara)
#### Post date: [January 4, 2024, 5:17am UTC](https://discuss.elastic.co/t/is-dfs-query-then-fetch-automatically-disabled-on-single-shard/350351/1 "2024-01-04T05:17:34Z")

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When we specify **search\_type=dfs\_query\_then\_fetch** in querystring, does Elasticsearch automatically disable **dfs\_query\_then\_fetch** when there's only 1 shard in single node mode? Or do i have to use **query\_then\_fetch** to trigger the optimization like roundtrip minimalization? Thanks!

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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: [February 1, 2024, 5:18am UTC](https://discuss.elastic.co/t/is-dfs-query-then-fetch-automatically-disabled-on-single-shard/350351/2 "2024-02-01T05:18:05Z")

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