# How to apply an ILM to a rollup index

**URL:** <https://discuss.elastic.co/t/how-to-apply-an-ilm-to-a-rollup-index/226849>\
**Category:** Elasticsearch\
**Tags:** ilm-index-lifecycle-management\
**Created:** [April 7, 2020, 7:58am UTC](https://discuss.elastic.co/t/how-to-apply-an-ilm-to-a-rollup-index/226849 "2020-04-07T07:58:22Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![rhalliday](https://avatars.discourse-cdn.com/v4/letter/r/6f9a4e/32.png) [@rhalliday](https://discuss.elastic.co/u/rhalliday)\
**Post date:** [April 7, 2020, 8:53am UTC](https://discuss.elastic.co/t/how-to-apply-an-ilm-to-a-rollup-index/226849/3 "2020-04-07T08:53:42Z")

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Hi @Luca_Belluccini,

Thanks for your response.

That's a bit of a shame as it means our rollup index would end up being huge.

We'll have a look into data transforms and see if we can get the same effect with those.

Thanks,

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