# Best way to export CSVs from a single index?

**URL:** <https://discuss.elastic.co/t/best-way-to-export-csvs-from-a-single-index/73936>\
**Category:** Elasticsearch\
**Created:** [February 4, 2017, 9:55am UTC](https://discuss.elastic.co/t/best-way-to-export-csvs-from-a-single-index/73936 "2017-02-04T09:55:56Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![robotboy](https://avatars.discourse-cdn.com/v4/letter/r/c5a1d2/32.png) [@robotboy](https://discuss.elastic.co/u/robotboy)\
**Post date:** [February 4, 2017, 9:55am UTC](https://discuss.elastic.co/t/best-way-to-export-csvs-from-a-single-index/73936/1 "2017-02-04T09:55:56Z")

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Looking to benchmark exporting documents from ES onto a flat file. Will need to perform some simple transformation on the document in memory in order to convert to a flat structure.

Is it reasonable to assume disk-write-speed rate of export?

Any suggestions on choosing the scroll size/time parameters?

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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:** [March 4, 2017, 9:56am UTC](https://discuss.elastic.co/t/best-way-to-export-csvs-from-a-single-index/73936/2 "2017-03-04T09:56:10Z")

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Closed on March 4, 2017, 9:56am UTC

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