# File Compression in Elasticsearch

**URL:** <https://discuss.elastic.co/t/file-compression-in-elasticsearch/41874>\
**Category:** Elasticsearch\
**Created:** [February 16, 2016, 11:18am UTC](https://discuss.elastic.co/t/file-compression-in-elasticsearch/41874 "2016-02-16T11:18:16Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![lucifer](https://avatars.discourse-cdn.com/v4/letter/l/ad7895/32.png) [@lucifer](https://discuss.elastic.co/u/lucifer)\
**Post date:** [February 16, 2016, 11:18am UTC](https://discuss.elastic.co/t/file-compression-in-elasticsearch/41874/1 "2016-02-16T11:18:16Z")

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Can Elasticsearch compress the original documents? Like can it compress the original documents in a .gz format after it has performed all the indexing?

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [February 16, 2016, 9:02pm UTC](https://discuss.elastic.co/t/file-compression-in-elasticsearch/41874/2 "2016-02-16T21:02:23Z")

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Nope.

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**Author:** ![lucifer](https://avatars.discourse-cdn.com/v4/letter/l/ad7895/32.png) [@lucifer](https://discuss.elastic.co/u/lucifer)\
**Post date:** [February 17, 2016, 5:21am UTC](https://discuss.elastic.co/t/file-compression-in-elasticsearch/41874/3 "2016-02-17T05:21:26Z")

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What happens if I disable the \_source field?

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**Author:** ![lucifer](https://avatars.discourse-cdn.com/v4/letter/l/ad7895/32.png) [@lucifer](https://discuss.elastic.co/u/lucifer)\
**Post date:** [February 17, 2016, 11:15am UTC](https://discuss.elastic.co/t/file-compression-in-elasticsearch/41874/4 "2016-02-17T11:15:00Z")

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I have disabled the \_source field. How can I query specific fields of my logs?

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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:** [July 5, 2017, 11:15pm UTC](https://discuss.elastic.co/t/file-compression-in-elasticsearch/41874/5 "2017-07-05T23:15:45Z")

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