# Doc\_value overhead in disc space

**URL:** <https://discuss.elastic.co/t/doc-value-overhead-in-disc-space/22173>\
**Category:** Elasticsearch\
**Created:** [February 15, 2015, 12:00pm UTC](https://discuss.elastic.co/t/doc-value-overhead-in-disc-space/22173 "2015-02-15T12:00:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![zivsegal](https://avatars.discourse-cdn.com/v4/letter/z/b3f665/32.png) [@zivsegal](https://discuss.elastic.co/u/zivsegal)\
**Post date:** [February 15, 2015, 12:00pm UTC](https://discuss.elastic.co/t/doc-value-overhead-in-disc-space/22173/1 "2015-02-15T12:00:40Z")

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Hi,

I'm using elasticsearch 1.4.1, with extensive use of doc-values.

Checking the stats, I have a feeling that there is a large overhead in disc  
space - compared to the raw indexed docs size.

My questions are:

1. is there a way to tell how much disc space is used by the doc-values? I  
didn't find anything in the \_stats API.

2. is there an 'official' value in percentage of doc-value overhead?

Thanks!  
Ziv

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 12:32am UTC](https://discuss.elastic.co/t/doc-value-overhead-in-disc-space/22173/2 "2017-07-06T00:32:43Z")

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