# Transfer indices to new cluster

**URL:** <https://discuss.elastic.co/t/transfer-indices-to-new-cluster/350946>\
**Category:** Elasticsearch\
**Created:** [January 12, 2024, 12:40pm UTC](https://discuss.elastic.co/t/transfer-indices-to-new-cluster/350946 "2024-01-12T12:40:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![JimJ](https://avatars.discourse-cdn.com/v4/letter/j/76d3ee/32.png) [@JimJ](https://discuss.elastic.co/u/JimJ)\
**Post date:** [January 12, 2024, 12:40pm UTC](https://discuss.elastic.co/t/transfer-indices-to-new-cluster/350946/1 "2024-01-12T12:40:19Z")

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I put in place a new Elastic cluster v8.7 to replace an old one in v7.12.

In Elastic cluster v8.7, I started using Datastreams.

My question: what is the best way to transfer indices' data from old cluster to datastreams into the new one ?

Is it [Cross-cluster replication APIs](https://www.elastic.co/guide/en/elasticsearch/reference/8.7/ccr-apis.html) ?

Or [Restoring snapshots](https://www.elastic.co/guide/en/elasticsearch/reference/current/restore-snapshot-api.html) ?

Is it also possible to send data in Datastreams ?

Thank you so much for your help.

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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 9, 2024, 12:41pm UTC](https://discuss.elastic.co/t/transfer-indices-to-new-cluster/350946/2 "2024-02-09T12:41:00Z")

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