# \[ElasticSearch v.7.5\] How to merge daily and weekly indexes into a monthly index?

**URL:** <https://discuss.elastic.co/t/elasticsearch-v-7-5-how-to-merge-daily-and-weekly-indexes-into-a-monthly-index/351210>\
**Category:** Elasticsearch\
**Created:** [January 16, 2024, 9:24pm UTC](https://discuss.elastic.co/t/elasticsearch-v-7-5-how-to-merge-daily-and-weekly-indexes-into-a-monthly-index/351210 "2024-01-16T21:24:03Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![mpniel](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mpniel/32/113170_2.png) [@mpniel](https://discuss.elastic.co/u/mpniel)\
**Post date:** [January 16, 2024, 9:24pm UTC](https://discuss.elastic.co/t/elasticsearch-v-7-5-how-to-merge-daily-and-weekly-indexes-into-a-monthly-index/351210/1 "2024-01-16T21:24:03Z")

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How to merge daily and weekly indexes into a monthly index?  
In order to free shards.

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [January 16, 2024, 9:34pm UTC](https://discuss.elastic.co/t/elasticsearch-v-7-5-how-to-merge-daily-and-weekly-indexes-into-a-monthly-index/351210/2 "2024-01-16T21:34:55Z")

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The only way is to reindex.

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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:** [February 13, 2024, 9:34pm UTC](https://discuss.elastic.co/t/elasticsearch-v-7-5-how-to-merge-daily-and-weekly-indexes-into-a-monthly-index/351210/3 "2024-02-13T21:34:59Z")

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