# Delete by Query Impact in terms of Data size vs Time taken
**URL:** https://discuss.elastic.co/t/delete-by-query-impact-in-terms-of-data-size-vs-time-taken/295339
**Category:** Elasticsearch
**Created:** [January 25, 2022, 11:17am UTC](https://discuss.elastic.co/t/delete-by-query-impact-in-terms-of-data-size-vs-time-taken/295339 "2022-01-25T11:17:05Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@yash\_196](https://discuss.elastic.co/u/yash_196)
#### Post date: [January 25, 2022, 11:17am UTC](https://discuss.elastic.co/t/delete-by-query-impact-in-terms-of-data-size-vs-time-taken/295339/1 "2022-01-25T11:17:05Z")
Hi Everyone,
I am trying to understand the impact of using delete by query API in Elasticsearch. I am looking for some formula/metrics in terms of the time taken to delete a certain amount of data. Can anyone please help me with the same? Some examples to explain the use case if available will also help.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [February 22, 2022, 11:17am UTC](https://discuss.elastic.co/t/delete-by-query-impact-in-terms-of-data-size-vs-time-taken/295339/2 "2022-02-22T11:17:40Z")
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