# Elastic 2.0 slower query execution speed as 1.3

**URL:** https://discuss.elastic.co/t/elastic-2-0-slower-query-execution-speed-as-1-3/34973
**Category:** Elasticsearch
**Created:** [November 18, 2015, 4:58pm UTC](https://discuss.elastic.co/t/elastic-2-0-slower-query-execution-speed-as-1-3/34973 "2015-11-18T16:58:07Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![vignesh\_c](https://avatars.discourse-cdn.com/v4/letter/v/f6c823/32.png) [@vignesh\_c](https://discuss.elastic.co/u/vignesh_c)
#### Post date: [November 18, 2015, 11:02pm UTC](https://discuss.elastic.co/t/elastic-2-0-slower-query-execution-speed-as-1-3/34973/2 "2015-11-18T23:02:59Z")

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Hi Jayme,

I was having a very similar problem. Though it was with queries and not filters.

You could have a look at "query\_cache" property in \_nodes/stats?pretty=true for both 2.0 as well as for 1.3, if you are seeing any differences there. ([https://www.elastic.co/guide/en/elasticsearch/reference/2.0/query-cache.html](https://www.elastic.co/guide/en/elasticsearch/reference/2.0/query-cache.html))

You can try tweaking the cache size, to see if that solves/ reduces your problem.

In my case, the "query\_cache" was being used even though the queries were not being executed as a filter. And the miss count was quite high.  
More details : [Search is slower in ElasticSearch 2.0.0 than 1.7.3 when the document count is high ( \> 2.5 million)](https://discuss.elastic.co/t/search-is-slower-in-elasticsearch-2-0-0-than-1-7-3-when-the-document-count-is-high-2-5-million/34593)

Unfortunately, I do not have any more information on this. Hopefully an expert can throw more light on these issues.

Thanks,  
Vignesh

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