# Cross cluster search with elastic search scalability tests / performance results

**URL:** <https://discuss.elastic.co/t/cross-cluster-search-with-elastic-search-scalability-tests-performance-results/97053>\
**Category:** Elasticsearch\
**Created:** [August 15, 2017, 5:45am UTC](https://discuss.elastic.co/t/cross-cluster-search-with-elastic-search-scalability-tests-performance-results/97053 "2017-08-15T05:45:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![purval](https://avatars.discourse-cdn.com/v4/letter/p/cab0a1/32.png) [@purval](https://discuss.elastic.co/u/purval)\
**Post date:** [August 15, 2017, 5:45am UTC](https://discuss.elastic.co/t/cross-cluster-search-with-elastic-search-scalability-tests-performance-results/97053/1 "2017-08-15T05:45:14Z")

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My question is with reference to elasticsearch's new feature 'cross cluster search' [https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-cross-cluster-search.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-cross-cluster-search.html)

Are there any performance tests/ studies available for this feature? How scalable is it?  
One use case we have is, 10 clusters with 1 million documents each (total 10 mil across all clusters)  
(need to support pagination, any column search, and sorting)  
Is elastic search good fit for this scenario?

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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:** [September 12, 2017, 5:45am UTC](https://discuss.elastic.co/t/cross-cluster-search-with-elastic-search-scalability-tests-performance-results/97053/2 "2017-09-12T05:45:16Z")

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