# Elasticsearch forcemerge max\_num\_segments = 1

**URL:** https://discuss.elastic.co/t/elasticsearch-forcemerge-max-num-segments-1/95800
**Category:** Elasticsearch
**Created:** [August 4, 2017, 3:15am UTC](https://discuss.elastic.co/t/elasticsearch-forcemerge-max-num-segments-1/95800 "2017-08-04T03:15:16Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![phucvinh52](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/phucvinh52/32/13984_2.png) [@phucvinh52](https://discuss.elastic.co/u/phucvinh52)
#### Post date: [August 4, 2017, 3:15am UTC](https://discuss.elastic.co/t/elasticsearch-forcemerge-max-num-segments-1/95800/1 "2017-08-04T03:15:16Z")

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Hi all,  
I'm testing with elasticsearch (version 5).  
I have a problem when forcemerge with option max\_num\_segments = 1.  
After get segments via api \_cat/segments/my\_index?v=true and i received number segment != 1.  
It is usually \> 5.

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### Author: ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)
#### Post date: [August 4, 2017, 5:39am UTC](https://discuss.elastic.co/t/elasticsearch-forcemerge-max-num-segments-1/95800/2 "2017-08-04T05:39:10Z")

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Are you indexing new documents after the force merge?

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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: [September 1, 2017, 5:39am UTC](https://discuss.elastic.co/t/elasticsearch-forcemerge-max-num-segments-1/95800/3 "2017-09-01T05:39:24Z")

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