# Is it advisable NOT to use ES cluster for production?

**URL:** <https://discuss.elastic.co/t/is-it-advisable-not-to-use-es-cluster-for-production/21404>\
**Category:** Elasticsearch\
**Created:** [December 27, 2014, 2:54am UTC](https://discuss.elastic.co/t/is-it-advisable-not-to-use-es-cluster-for-production/21404 "2014-12-27T02:54:48Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![cordyceps](https://avatars.discourse-cdn.com/v4/letter/c/5f8ce5/32.png) [@cordyceps](https://discuss.elastic.co/u/cordyceps)\
**Post date:** [December 27, 2014, 2:54am UTC](https://discuss.elastic.co/t/is-it-advisable-not-to-use-es-cluster-for-production/21404/1 "2014-12-27T02:54:48Z")

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Hi, i'm wondering if running ES in non-cluster is ok for production, i have  
only \< 1 million docs  
Please give me advice thanks.

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**Author:** ![James\_Carr](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/james_carr/32/956_2.png) [@James\_Carr](https://discuss.elastic.co/u/James_Carr)\
**Post date:** [December 27, 2014, 4:56am UTC](https://discuss.elastic.co/t/is-it-advisable-not-to-use-es-cluster-for-production/21404/2 "2014-12-27T04:56:39Z")

</div>

Depends on what your definition of "ok for production" is. For me, that  
means sharding and replicas for appropriate failover when a node goes down.  
I guess you're okay if you run a single server, have a backup / restore  
process in place and searching be unavailable doesn't impact your  
application heavily.

On Fri, Dec 26, 2014 at 8:54 PM, cordyceps [agus.santoso@gmail.com](mailto:agus.santoso@gmail.com) wrote:

> Hi, i'm wondering if running ES in non-cluster is ok for production, i  
> have only \< 1 million docs  
> Please give me advice thanks.
> 
> --  
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> [https://groups.google.com/d/msgid/elasticsearch/261a6ea2-82c0-4552-9bf0-46da54db07ad%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/261a6ea2-82c0-4552-9bf0-46da54db07ad%40googlegroups.com?utm_medium=email&utm_source=footer)  
> .  
> For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).

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For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [December 27, 2014, 6:46am UTC](https://discuss.elastic.co/t/is-it-advisable-not-to-use-es-cluster-for-production/21404/3 "2014-12-27T06:46:44Z")

</div>

You could also ask yourself: is it ok for production to have one single database?  
If for your usecase the answer is yes, then you could use elasticsearch as well with only one node.

As long as you can read again your data from the source and reindex....

But for sure, I'd prefer running 3 nodes.

My 2 cents.  
David

> Le 27 déc. 2014 à 05:56, James Carr [james.r.carr@gmail.com](mailto:james.r.carr@gmail.com) a écrit :
> 
> Depends on what your definition of "ok for production" is. For me, that means sharding and replicas for appropriate failover when a node goes down. I guess you're okay if you run a single server, have a backup / restore process in place and searching be unavailable doesn't impact your application heavily.
> 
> > On Fri, Dec 26, 2014 at 8:54 PM, cordyceps [agus.santoso@gmail.com](mailto:agus.santoso@gmail.com) wrote:  
> > Hi, i'm wondering if running ES in non-cluster is ok for production, i have only \< 1 million docs  
> > Please give me advice thanks.
> > 
> > --  
> > You received this message because you are subscribed to the Google Groups "elasticsearch" group.  
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> > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
> 
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> For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).

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For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).

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**Author:** ![Gaurav\_gupta](https://avatars.discourse-cdn.com/v4/letter/g/e274bd/32.png) [@Gaurav\_gupta](https://discuss.elastic.co/u/Gaurav_gupta)\
**Post date:** [December 27, 2014, 7:52am UTC](https://discuss.elastic.co/t/is-it-advisable-not-to-use-es-cluster-for-production/21404/4 "2014-12-27T07:52:10Z")

</div>

Can't he just use two nodes as a bare minimum setup with number of replica  
as one so that the search is available even if one node goes down. He can  
add another node as soon as he observe any one node failure to avoid any  
data loss.

...my 2 cents.  
Gaurav  
On Dec 27, 2014 12:16 PM, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote:

> You could also ask yourself: is it ok for production to have one single  
> database?  
> If for your usecase the answer is yes, then you could use elasticsearch as  
> well with only one node.
> 
> As long as you can read again your data from the source and reindex....
> 
> But for sure, I'd prefer running 3 nodes.
> 
> My 2 cents.  
> David
> 
> Le 27 déc. 2014 à 05:56, James Carr [james.r.carr@gmail.com](mailto:james.r.carr@gmail.com) a écrit :
> 
> Depends on what your definition of "ok for production" is. For me, that  
> means sharding and replicas for appropriate failover when a node goes down.  
> I guess you're okay if you run a single server, have a backup / restore  
> process in place and searching be unavailable doesn't impact your  
> application heavily.
> 
> On Fri, Dec 26, 2014 at 8:54 PM, cordyceps [agus.santoso@gmail.com](mailto:agus.santoso@gmail.com) wrote:
> 
> > Hi, i'm wondering if running ES in non-cluster is ok for production, i  
> > have only \< 1 million docs  
> > Please give me advice thanks.
> > 
> > --  
> > You received this message because you are subscribed to the Google Groups  
> > "elasticsearch" group.  
> > To unsubscribe from this group and stop receiving emails from it, send an  
> > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com).  
> > To view this discussion on the web visit  
> > [https://groups.google.com/d/msgid/elasticsearch/261a6ea2-82c0-4552-9bf0-46da54db07ad%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/261a6ea2-82c0-4552-9bf0-46da54db07ad%40googlegroups.com)  
> > [https://groups.google.com/d/msgid/elasticsearch/261a6ea2-82c0-4552-9bf0-46da54db07ad%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/261a6ea2-82c0-4552-9bf0-46da54db07ad%40googlegroups.com?utm_medium=email&utm_source=footer)  
> > .  
> > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
> 
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> [https://groups.google.com/d/msgid/elasticsearch/CAJreXKDhUeWyuZN6epuWfU0kGE2iYB03JoqC7wde-CjRD3LvnQ%40mail.gmail.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/CAJreXKDhUeWyuZN6epuWfU0kGE2iYB03JoqC7wde-CjRD3LvnQ%40mail.gmail.com?utm_medium=email&utm_source=footer)  
> .  
> For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
> 
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> [https://groups.google.com/d/msgid/elasticsearch/E276EB10-7E23-433C-B722-7E9D79C5953D%40pilato.fr?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/E276EB10-7E23-433C-B722-7E9D79C5953D%40pilato.fr?utm_medium=email&utm_source=footer)  
> .  
> For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [December 27, 2014, 8:10am UTC](https://discuss.elastic.co/t/is-it-advisable-not-to-use-es-cluster-for-production/21404/5 "2014-12-27T08:10:27Z")

</div>

2 data nodes is fine. But a 3rd one, could be master only, would help to avoid split brain issues.

--  
David 😉  
Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs

> Le 27 déc. 2014 à 08:52, Gaurav gupta [gupta.gaurav0125@gmail.com](mailto:gupta.gaurav0125@gmail.com) a écrit :
> 
> Can't he just use two nodes as a bare minimum setup with number of replica as one so that the search is available even if one node goes down. He can add another node as soon as he observe any one node failure to avoid any data loss.
> 
> ...my 2 cents.  
> Gaurav
> 
> > On Dec 27, 2014 12:16 PM, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote:  
> > You could also ask yourself: is it ok for production to have one single database?  
> > If for your usecase the answer is yes, then you could use elasticsearch as well with only one node.
> > 
> > As long as you can read again your data from the source and reindex....
> > 
> > But for sure, I'd prefer running 3 nodes.
> > 
> > My 2 cents.  
> > David
> > 
> > > Le 27 déc. 2014 à 05:56, James Carr [james.r.carr@gmail.com](mailto:james.r.carr@gmail.com) a écrit :
> > > 
> > > Depends on what your definition of "ok for production" is. For me, that means sharding and replicas for appropriate failover when a node goes down. I guess you're okay if you run a single server, have a backup / restore process in place and searching be unavailable doesn't impact your application heavily.
> > > 
> > > > On Fri, Dec 26, 2014 at 8:54 PM, cordyceps [agus.santoso@gmail.com](mailto:agus.santoso@gmail.com) wrote:  
> > > > Hi, i'm wondering if running ES in non-cluster is ok for production, i have only \< 1 million docs  
> > > > Please give me advice thanks.
> > > > 
> > > > --  
> > > > You received this message because you are subscribed to the Google Groups "elasticsearch" group.  
> > > > To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com).  
> > > > To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/261a6ea2-82c0-4552-9bf0-46da54db07ad%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/261a6ea2-82c0-4552-9bf0-46da54db07ad%40googlegroups.com).  
> > > > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
> > > 
> > > --  
> > > You received this message because you are subscribed to the Google Groups "elasticsearch" group.  
> > > To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com).  
> > > To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAJreXKDhUeWyuZN6epuWfU0kGE2iYB03JoqC7wde-CjRD3LvnQ%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAJreXKDhUeWyuZN6epuWfU0kGE2iYB03JoqC7wde-CjRD3LvnQ%40mail.gmail.com).  
> > > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
> > 
> > --  
> > You received this message because you are subscribed to the Google Groups "elasticsearch" group.  
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> > To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/E276EB10-7E23-433C-B722-7E9D79C5953D%40pilato.fr](https://groups.google.com/d/msgid/elasticsearch/E276EB10-7E23-433C-B722-7E9D79C5953D%40pilato.fr).  
> > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
> 
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> For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).

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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:** [July 6, 2017, 12:41am UTC](https://discuss.elastic.co/t/is-it-advisable-not-to-use-es-cluster-for-production/21404/6 "2017-07-06T00:41:50Z")

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