# What are the benefits of using sync reindexing API instead of async reindexing API?

**URL:** <https://discuss.elastic.co/t/what-are-the-benefits-of-using-sync-reindexing-api-instead-of-async-reindexing-api/335712>\
**Category:** Elasticsearch\
**Tags:** reindex\
**Created:** [June 11, 2023, 6:22am UTC](https://discuss.elastic.co/t/what-are-the-benefits-of-using-sync-reindexing-api-instead-of-async-reindexing-api/335712 "2023-06-11T06:22:04Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sanskarfc](https://avatars.discourse-cdn.com/v4/letter/s/f04885/32.png) [@sanskarfc](https://discuss.elastic.co/u/sanskarfc)\
**Post date:** [June 11, 2023, 6:22am UTC](https://discuss.elastic.co/t/what-are-the-benefits-of-using-sync-reindexing-api-instead-of-async-reindexing-api/335712/1 "2023-06-11T06:22:04Z")

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What are the benefits of using sync reindexing API instead of async reindexing API?

If the size of the documents is in multiple GBs, it looks like it is always better to use async API instead of sync API 🤔

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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:** [July 9, 2023, 6:22am UTC](https://discuss.elastic.co/t/what-are-the-benefits-of-using-sync-reindexing-api-instead-of-async-reindexing-api/335712/2 "2023-07-09T06:22:40Z")

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