# What value adds Data Streams vs Index Alias for time series data

**URL:** <https://discuss.elastic.co/t/what-value-adds-data-streams-vs-index-alias-for-time-series-data/260948>\
**Category:** Elasticsearch\
**Created:** [January 13, 2021, 7:51am UTC](https://discuss.elastic.co/t/what-value-adds-data-streams-vs-index-alias-for-time-series-data/260948 "2021-01-13T07:51:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ismarslomic](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ismarslomic/32/63870_2.png) [@ismarslomic](https://discuss.elastic.co/u/ismarslomic)\
**Post date:** [January 13, 2021, 7:51am UTC](https://discuss.elastic.co/t/what-value-adds-data-streams-vs-index-alias-for-time-series-data/260948/1 "2021-01-13T07:51:50Z")

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I'm struggling to understand what benefits [Data Streams](https://www.elastic.co/guide/en/elasticsearch/reference/current/data-streams.html) brings to the table, compared with Index Alias for time series data? Are there any performance (i.e indexing and querying) benefits?

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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 10, 2021, 7:51am UTC](https://discuss.elastic.co/t/what-value-adds-data-streams-vs-index-alias-for-time-series-data/260948/2 "2021-02-10T07:51:51Z")

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