# NMSLIB does not support radial search

**URL:** https://forum.opensearch.org/t/nmslib-does-not-support-radial-search/23694
**Category:** OpenSearch
**Created:** [March 9, 2025, 6:33am UTC](https://forum.opensearch.org/t/nmslib-does-not-support-radial-search/23694 "2025-03-09T06:33:56Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Nagpraveen](https://avatars.discourse-cdn.com/v4/letter/n/e495f1/32.png) [@Nagpraveen](https://forum.opensearch.org/u/Nagpraveen)
#### Post date: [March 9, 2025, 6:33am UTC](https://forum.opensearch.org/t/nmslib-does-not-support-radial-search/23694/1 "2025-03-09T06:33:56Z")

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**Versions** (relevant - OpenSearch/Dashboard/Server OS/Browser):

2.19

**Describe the issue** :

Unable to execute neural qiery post indexing using nmslib engine.  
says the nmslib does not support radial search

**Configuration** :

**Relevant Logs or Screenshots** :

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### Author: ![Nagpraveen](https://avatars.discourse-cdn.com/v4/letter/n/e495f1/32.png) [@Nagpraveen](https://forum.opensearch.org/u/Nagpraveen)
#### Post date: [March 9, 2025, 6:34am UTC](https://forum.opensearch.org/t/nmslib-does-not-support-radial-search/23694/2 "2025-03-09T06:34:20Z")

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@pablo : please help if any suggestions. Thanks!

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### Author: ![vamshin](https://avatars.discourse-cdn.com/v4/letter/v/c5a1d2/32.png) [@vamshin](https://forum.opensearch.org/u/vamshin)
#### Post date: [March 10, 2025, 4:26am UTC](https://forum.opensearch.org/t/nmslib-does-not-support-radial-search/23694/3 "2025-03-10T04:26:27Z")

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@Nagpraveen Yes nmslib does not support radial search. Could you please use faiss engine?