# Whenever I index the data, index size is different, even though I set the same config and mapping

**URL:** https://discuss.elastic.co/t/whenever-i-index-the-data-index-size-is-different-even-though-i-set-the-same-config-and-mapping/17606
**Category:** Elasticsearch
**Created:** [May 20, 2014, 1:00am UTC](https://discuss.elastic.co/t/whenever-i-index-the-data-index-size-is-different-even-though-i-set-the-same-config-and-mapping/17606 "2014-05-20T01:00:04Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![jihyun\_suh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jihyun_suh/32/1551_2.png) [@jihyun\_suh](https://discuss.elastic.co/u/jihyun_suh)
#### Post date: [May 20, 2014, 1:00am UTC](https://discuss.elastic.co/t/whenever-i-index-the-data-index-size-is-different-even-though-i-set-the-same-config-and-mapping/17606/1 "2014-05-20T01:00:04Z")

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whenever I index the data, index size is different even though I set the same config and mapping.  
What happen to Elastic Search?

1. 

- tokenizer : standard
- index compression : true
- size of index : 2.78G

1. 

- tokenizer : standard
- index compression : true
- size of index : 3.00G

3

- tokenizer : standard
- index compression : true
- size of index : 2.89G

==============================  
1.

- tokenizer : standard
- source compression : true
- size of index : 3.12G

1. 

- tokenizer : standard
- source compression : true
- size of index : 2.76G

1. 

- tokenizer : standard  
-source compression : true
- size of index : 2.91G

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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 6, 2017, 1:28am UTC](https://discuss.elastic.co/t/whenever-i-index-the-data-index-size-is-different-even-though-i-set-the-same-config-and-mapping/17606/2 "2017-07-06T01:28:19Z")

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