# Giant Data File

**URL:** <https://discuss.elastic.co/t/giant-data-file/206107>\
**Category:** Elasticsearch\
**Created:** [October 31, 2019, 9:15pm UTC](https://discuss.elastic.co/t/giant-data-file/206107 "2019-10-31T21:15:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![wwalker](https://avatars.discourse-cdn.com/v4/letter/w/43a26b/32.png) [@wwalker](https://discuss.elastic.co/u/wwalker)\
**Post date:** [October 31, 2019, 9:15pm UTC](https://discuss.elastic.co/t/giant-data-file/206107/1 "2019-10-31T21:15:41Z")

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Just finished upgrading from 7.2 to 7.4.1 and was cleaning up the 7.2 installations when something caught my eye. In the root of my 7.2 elasticsearch folder, I have a file named data that is about 18GB in size, what is it? My elasticsearch.yml has `config.data` set to a completely different folder, though I dont think that has anything to do with this file. I've renamed my 7.2 folder then restarted Elasticsearch 7.4 and everything still works fine. Any ideas?

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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:** [November 28, 2019, 9:15pm UTC](https://discuss.elastic.co/t/giant-data-file/206107/2 "2019-11-28T21:15:47Z")

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Closed on November 28, 2019, 9:15pm UTC

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