# Mapping conflict -\> Reindex/mapping for only one field

**URL:** <https://discuss.elastic.co/t/mapping-conflict-reindex-mapping-for-only-one-field/303466>\
**Category:** Elasticsearch\
**Created:** [April 28, 2022, 6:41am UTC](https://discuss.elastic.co/t/mapping-conflict-reindex-mapping-for-only-one-field/303466 "2022-04-28T06:41:35Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![INS](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ins/32/92827_2.png) [@INS](https://discuss.elastic.co/u/INS)\
**Post date:** [April 28, 2022, 6:41am UTC](https://discuss.elastic.co/t/mapping-conflict-reindex-mapping-for-only-one-field/303466/1 "2022-04-28T06:41:35Z")

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Hi after some changes I need to reindex(or mapping) mass of close indexes of high capacity. I've tried already global reindex but it consumed a lot of time. How I can reindex/remapping all of my historical indexes through only one selected field? One field has been changed from string to number data type.

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [April 29, 2022, 1:00am UTC](https://discuss.elastic.co/t/mapping-conflict-reindex-mapping-for-only-one-field/303466/2 "2022-04-29T01:00:28Z")

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You can't reindex a single field like that unfortunately, it needs to be the entire document.

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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:** [May 27, 2022, 1:01am UTC](https://discuss.elastic.co/t/mapping-conflict-reindex-mapping-for-only-one-field/303466/3 "2022-05-27T01:01:22Z")

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