# Elasticsearch Nest Bulk Delete in C#

**URL:** https://discuss.elastic.co/t/elasticsearch-nest-bulk-delete-in-c/160262
**Category:** Elasticsearch
**Created:** [December 10, 2018, 11:48pm UTC](https://discuss.elastic.co/t/elasticsearch-nest-bulk-delete-in-c/160262 "2018-12-10T23:48:27Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![surajbs](https://avatars.discourse-cdn.com/v4/letter/s/e68b1a/32.png) [@surajbs](https://discuss.elastic.co/u/surajbs)
#### Post date: [December 10, 2018, 11:48pm UTC](https://discuss.elastic.co/t/elasticsearch-nest-bulk-delete-in-c/160262/1 "2018-12-10T23:48:27Z")

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How can we do bulk delete comparing two (2) indexes/indices in C# ?

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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: [December 11, 2018, 9:57am UTC](https://discuss.elastic.co/t/elasticsearch-nest-bulk-delete-in-c/160262/2 "2018-12-11T09:57:49Z")

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You can not really "compare" two indices.

You can scroll one index and fetch all individual documents and then for each do a lookup or a search in the second index. Nothing automatic I mean.

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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: [January 8, 2019, 9:58am UTC](https://discuss.elastic.co/t/elasticsearch-nest-bulk-delete-in-c/160262/3 "2019-01-08T09:58:01Z")

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