# ElasticSearch 6 Search query perfomance decrease

**URL:** https://discuss.elastic.co/t/elasticsearch-6-search-query-perfomance-decrease/126702
**Category:** Elasticsearch
**Created:** [April 4, 2018, 9:11am UTC](https://discuss.elastic.co/t/elasticsearch-6-search-query-perfomance-decrease/126702 "2018-04-04T09:11:49Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Giovanni\_Caputo](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/giovanni_caputo/32/10580_2.png) [@Giovanni\_Caputo](https://discuss.elastic.co/u/Giovanni_Caputo)
#### Post date: [April 4, 2018, 9:11am UTC](https://discuss.elastic.co/t/elasticsearch-6-search-query-perfomance-decrease/126702/1 "2018-04-04T09:11:50Z")

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The query perfomance are about 30 % more expensive!

Elasticsearch version : 6.2.2

Search query performance comparing version 5.2.2 there is about 30% performance decrease.  
I have near 300k documents,

I had care about mapping type using keyword type, and text type.

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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: [May 2, 2018, 9:11am UTC](https://discuss.elastic.co/t/elasticsearch-6-search-query-perfomance-decrease/126702/2 "2018-05-02T09:11:55Z")

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