# Create a rollup index with double instead of default float

**URL:** <https://discuss.elastic.co/t/create-a-rollup-index-with-double-instead-of-default-float/279732>\
**Category:** Elasticsearch\
**Created:** [July 27, 2021, 1:34pm UTC](https://discuss.elastic.co/t/create-a-rollup-index-with-double-instead-of-default-float/279732 "2021-07-27T13:34:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![save4elastic](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/save4elastic/32/92180_2.png) [@save4elastic](https://discuss.elastic.co/u/save4elastic)\
**Post date:** [July 27, 2021, 1:34pm UTC](https://discuss.elastic.co/t/create-a-rollup-index-with-double-instead-of-default-float/279732/1 "2021-07-27T13:34:52Z")

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We have an index which uses double. However creating a rollup with the interface uses a float value instead of double and it causes the numbers not to tally up correctly.

Is there a way to create a rollup job/index and specify usage of a double instead of float?

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 24, 2021, 1:35pm UTC](https://discuss.elastic.co/t/create-a-rollup-index-with-double-instead-of-default-float/279732/2 "2021-08-24T13:35:05Z")

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