# ElasticSearch Load Balancing failover on Node Failure

**URL:** <https://discuss.elastic.co/t/elasticsearch-load-balancing-failover-on-node-failure/66795>\
**Category:** Elasticsearch\
**Created:** [November 21, 2016, 11:30pm UTC](https://discuss.elastic.co/t/elasticsearch-load-balancing-failover-on-node-failure/66795 "2016-11-21T23:30:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![purnashree.b](https://avatars.discourse-cdn.com/v4/letter/p/ed8c4c/32.png) [@purnashree.b](https://discuss.elastic.co/u/purnashree.b)\
**Post date:** [November 21, 2016, 11:30pm UTC](https://discuss.elastic.co/t/elasticsearch-load-balancing-failover-on-node-failure/66795/1 "2016-11-21T23:30:47Z")

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HI,

I have an ES cluster of 8 nodes. 2 master(m1, m2), 3 clients (c1, c2, c3) and 3 data nodes (d1, d2, d3) respectively.

I have a Search application which sends http rest search requests and I have a data sync application using Java apis to index data.

Since Elastic search internally does load balancing, i wanted to understand if there is a mechanism for load balancing on node failures as well?

For instance, search app1 sends rest calls to [https://c1.company.com:9200](https://c1.company.com:9200), and then c1 node takes care of routing the request in the cluster. However, lets say the app makes a search request and c1 goes down, how does ES handle this request? Is this handled? Or should I use another Load balancing system between my application and ES which will take care of this failure detection and automatic failover redirection?

Thanks,  
Purnashree.

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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:** [December 19, 2016, 11:30pm UTC](https://discuss.elastic.co/t/elasticsearch-load-balancing-failover-on-node-failure/66795/2 "2016-12-19T23:30:57Z")

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