# Segment merging on old indices

**URL:** <https://discuss.elastic.co/t/segment-merging-on-old-indices/229272>\
**Category:** Elasticsearch\
**Created:** [April 22, 2020, 1:37pm UTC](https://discuss.elastic.co/t/segment-merging-on-old-indices/229272 "2020-04-22T13:37:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![YvorL](https://avatars.discourse-cdn.com/v4/letter/y/9fc348/32.png) [@YvorL](https://discuss.elastic.co/u/YvorL)\
**Post date:** [April 22, 2020, 1:37pm UTC](https://discuss.elastic.co/t/segment-merging-on-old-indices/229272/1 "2020-04-22T13:37:02Z")

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Hi,

I've got a lot of daily indices and I'm not sure if Elasticsearch will perform any write actions on indices that aren't getting any new documents or updates, does it do anything like that?

Thanks!

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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 20, 2020, 1:37pm UTC](https://discuss.elastic.co/t/segment-merging-on-old-indices/229272/2 "2020-05-20T13:37:06Z")

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Closed on May 20, 2020, 1:37pm UTC

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