# Does the Elasticsearch Transport Client for Java API support connection pooling?
**URL:** https://discuss.elastic.co/t/does-the-elasticsearch-transport-client-for-java-api-support-connection-pooling/37610
**Category:** Elasticsearch
**Created:** [December 19, 2015, 1:30am UTC](https://discuss.elastic.co/t/does-the-elasticsearch-transport-client-for-java-api-support-connection-pooling/37610 "2015-12-19T01:30:47Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@maheshraju](https://discuss.elastic.co/u/maheshraju)
#### Post date: [December 19, 2015, 1:30am UTC](https://discuss.elastic.co/t/does-the-elasticsearch-transport-client-for-java-api-support-connection-pooling/37610/1 "2015-12-19T01:30:47Z")
Does the Elasticsearch Transport Client for Java API support connection pooling ? I'm using a Spring boot application(elasticsearch repository) that talks to Elasticsearch.
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### Author:  [@jprante](https://discuss.elastic.co/u/jprante)
#### Post date: [December 19, 2015, 5:16pm UTC](https://discuss.elastic.co/t/does-the-elasticsearch-transport-client-for-java-api-support-connection-pooling/37610/2 "2015-12-19T17:16:35Z")
Yes, TransportClient uses pooling and connects to multiple nodes of the cluster, also with automatic reconnects ("sniff mode"). Commands are sent in round-robin style to connected nodes.
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### Author:  [@maheshraju](https://discuss.elastic.co/u/maheshraju)
#### Post date: [December 22, 2015, 1:07am UTC](https://discuss.elastic.co/t/does-the-elasticsearch-transport-client-for-java-api-support-connection-pooling/37610/3 "2015-12-22T01:07:10Z")
Thanks a lot for sharing the details Jörg Prante.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 5, 2017, 11:29pm UTC](https://discuss.elastic.co/t/does-the-elasticsearch-transport-client-for-java-api-support-connection-pooling/37610/4 "2017-07-05T23:29:26Z")