# Adding new analyzers to elastic search requires new ES prefix?

**URL:** <https://forum.litium.com/t/adding-new-analyzers-to-elastic-search-requires-new-es-prefix/2628>\
**Category:** Questions\
**Tags:** litium-7\
**Created:** [June 29, 2022, 1:12pm UTC](https://forum.litium.com/t/adding-new-analyzers-to-elastic-search-requires-new-es-prefix/2628 "2022-06-29T13:12:16Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![felixfroberg](https://avatars.discourse-cdn.com/v4/letter/f/4bbf92/32.png) [@felixfroberg](https://forum.litium.com/u/felixfroberg)\
**Post date:** [June 29, 2022, 1:12pm UTC](https://forum.litium.com/t/adding-new-analyzers-to-elastic-search-requires-new-es-prefix/2628/1 "2022-06-29T13:12:16Z")

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I have tried to follow the [guide by Nils](https://forum.litium.com/t/how-can-i-add-an-edge-ngram-analyzer-to-elastic-search-q-a/2485) on how to add an ngram analyzer to elastic search. The index descriptor doesn’t seem to run unless I change the elastic search prefix in web.config. Is this the correct way to do it or are there other ways to trigger BuildIndexDescriptor(…)?

Litium version: _7.7.1_

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**Author:** ![NilsN](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.litium.com/nilsn/32/302_2.png) [@NilsN](https://forum.litium.com/u/NilsN)\
**Post date:** [June 30, 2022, 7:07am UTC](https://forum.litium.com/t/adding-new-analyzers-to-elastic-search-requires-new-es-prefix/2628/2 "2022-06-30T07:07:57Z")

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The index needs to be re-created to support new analyzers or changes to fields. When working locally I suppose you could delete the index when necessary instead.

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**Author:** ![felixfroberg](https://avatars.discourse-cdn.com/v4/letter/f/4bbf92/32.png) [@felixfroberg](https://forum.litium.com/u/felixfroberg)\
**Post date:** [June 30, 2022, 8:45am UTC](https://forum.litium.com/t/adding-new-analyzers-to-elastic-search-requires-new-es-prefix/2628/3 "2022-06-30T08:45:35Z")

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Do we need help from the support to create a new index in the test/prod environments?

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**Author:** ![NilsN](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.litium.com/nilsn/32/302_2.png) [@NilsN](https://forum.litium.com/u/NilsN)\
**Post date:** [June 30, 2022, 11:05am UTC](https://forum.litium.com/t/adding-new-analyzers-to-elastic-search-requires-new-es-prefix/2628/4 "2022-06-30T11:05:17Z")

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Incrementing the prefix will create a new index automatically, so no need to contact support.

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**Author:** ![system](https://canada1.discourse-cdn.com/flex030/uploads/litium/original/1X/12eddac3b8b661de1db86af10ac8151b571e6fb9.png) [@system](https://forum.litium.com/u/system)\
**Post date:** [July 28, 2022, 11:05am UTC](https://forum.litium.com/t/adding-new-analyzers-to-elastic-search-requires-new-es-prefix/2628/5 "2022-07-28T11:05:18Z")

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Closed on July 28, 2022, 11:05am UTC

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