# Connecting to cluster for querying?
**URL:** https://discuss.elastic.co/t/connecting-to-cluster-for-querying/3346
**Category:** Elasticsearch
**Created:** [September 18, 2010, 6:46pm UTC](https://discuss.elastic.co/t/connecting-to-cluster-for-querying/3346 "2010-09-18T18:46:00Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@Andrei](https://discuss.elastic.co/u/Andrei)
#### Post date: [September 18, 2010, 6:46pm UTC](https://discuss.elastic.co/t/connecting-to-cluster-for-querying/3346/1 "2010-09-18T18:46:00Z")
If I run a cluster of ElasticSearch nodes, can I connect to any node
in order to issue a query? How should I deal with failover if that
node is down - move onto the next one in the node list?
-Andrei
---
### Author:  [@kimchy](https://discuss.elastic.co/u/kimchy)
#### Post date: [September 18, 2010, 6:50pm UTC](https://discuss.elastic.co/t/connecting-to-cluster-for-querying/3346/2 "2010-09-18T18:50:19Z")
Yes, you can issue a query to any node, and it will execute it, if a node
fails, you can move to the next node. The cluster state API returns for all
the nodes the addresses it exposes, so you can build dynamic round robin /
failover (thats what the perl client does).
-shay.banon
On Sat, Sep 18, 2010 at 8:46 PM, Andrei [andrei@zmievski.org](mailto:andrei@zmievski.org) wrote:
> If I run a cluster of Elasticsearch nodes, can I connect to any node
> in order to issue a query? How should I deal with failover if that
> node is down - move onto the next one in the node list?
>
> -Andrei
---
### Author:  [@Andrei](https://discuss.elastic.co/u/Andrei)
#### Post date: [September 18, 2010, 6:58pm UTC](https://discuss.elastic.co/t/connecting-to-cluster-for-querying/3346/3 "2010-09-18T18:58:46Z")
Right, though have to find a healthy node first to issue the cluster
health
query against. 🙂
-Andrei
On Sep 18, 2:50 pm, Shay Banon [shay.ba...@elasticsearch.com](mailto:shay.ba...@elasticsearch.com) wrote:
> Yes, you can issue a query to any node, and it will execute it, if a node
> fails, you can move to the next node. The cluster state API returns for all
> the nodes the addresses it exposes, so you can build dynamic round robin /
> failover (thats what the perl client does).
>
> -shay.banon
---
### Author:  [@kimchy](https://discuss.elastic.co/u/kimchy)
#### Post date: [September 18, 2010, 7:04pm UTC](https://discuss.elastic.co/t/connecting-to-cluster-for-querying/3346/4 "2010-09-18T19:04:28Z")
Yes, though you can create a list of all the nodes when things are good, so
you know who to fall over to.
On Sat, Sep 18, 2010 at 8:58 PM, Andrei [andrei@zmievski.org](mailto:andrei@zmievski.org) wrote:
> Right, though have to find a healthy node first to issue the cluster
> health
> query against. 🙂
>
> -Andrei
>
> On Sep 18, 2:50 pm, Shay Banon [shay.ba...@elasticsearch.com](mailto:shay.ba...@elasticsearch.com) wrote:
>
> > Yes, you can issue a query to any node, and it will execute it, if a node
> > fails, you can move to the next node. The cluster state API returns for
> > all
> > the nodes the addresses it exposes, so you can build dynamic round robin
> > /
> > failover (thats what the perl client does).
> >
> > -shay.banon
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 4:19am UTC](https://discuss.elastic.co/t/connecting-to-cluster-for-querying/3346/5 "2017-07-06T04:19:12Z")