# Elasticsearch Version Upgrade

**URL:** <https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343>\
**Category:** Elasticsearch\
**Created:** [April 21, 2015, 12:08pm UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343 "2015-04-21T12:08:38Z")\
**Posts on this page:** 9\
**Page:** 1

<div class="post-metadata">

**Author:** ![costya](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/costya/32/751_2.png) [@costya](https://discuss.elastic.co/u/costya)\
**Post date:** [April 21, 2015, 12:08pm UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/1 "2015-04-21T12:08:38Z")

</div>

Hi ,

We have Elasticsearch Servers running with Es Version 1.4.2,our client  
version is 1.4.1.

We are about to upgrade our Es cluster Version to 1.5.1 , my question is :

Do we need to upgrade the client version to 1.5.1 or our current version  
should be compatible with the new Version?

Thanks,  
Costya.

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<div class="post-metadata">

**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:** [April 21, 2015, 12:12pm UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/2 "2015-04-21T12:12:25Z")

</div>

It should work fine.

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

> Le 21 avr. 2015 à 14:08, Costya Regev [costya@totango.com](mailto:costya@totango.com) a écrit :
> 
> Hi ,
> 
> We have Elasticsearch Servers running with Es Version 1.4.2,our client version is 1.4.1.
> 
> We are about to upgrade our Es cluster Version to 1.5.1 , my question is :
> 
> Do we need to upgrade the client version to 1.5.1 or our current version should be compatible with the new Version?
> 
> ## Thanks, Costya.
> 
> 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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<div class="post-metadata">

**Author:** ![costya](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/costya/32/751_2.png) [@costya](https://discuss.elastic.co/u/costya)\
**Post date:** [April 21, 2015, 1:21pm UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/3 "2015-04-21T13:21:37Z")

</div>

Just checking ,

so you are sure that there is forward compatibility... and my system will  
work fine with Es Client version of 1.4.1 when the server's version will be  
1.5.1 , right ?

On Tuesday, April 21, 2015 at 3:12:44 PM UTC+3, David Pilato wrote:

> It should work fine.
> 
> --  
> David 😉  
> Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
> 
> Le 21 avr. 2015 à 14:08, Costya Regev \<[cos...@totango.com](mailto:cos...@totango.com) \<javascript:\>\>  
> a écrit :
> 
> Hi ,
> 
> We have Elasticsearch Servers running with Es Version 1.4.2,our client  
> version is 1.4.1.
> 
> We are about to upgrade our Es cluster Version to 1.5.1 , my question is :
> 
> Do we need to upgrade the client version to 1.5.1 or our current version  
> should be compatible with the new Version?
> 
> Thanks,  
> Costya.
> 
> --  
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> [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%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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<div class="post-metadata">

**Author:** ![costya](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/costya/32/751_2.png) [@costya](https://discuss.elastic.co/u/costya)\
**Post date:** [April 21, 2015, 1:39pm UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/4 "2015-04-21T13:39:17Z")

</div>

Another Question : if i will upgrade my Elasticsearch Client to Version  
1.5.1 and my Elasticsearch Servers will stay on version 1.4.2 will it work  
? it there a backward compatibility ?

On Tuesday, April 21, 2015 at 4:21:38 PM UTC+3, Costya Regev wrote:

> Just checking ,
> 
> so you are sure that there is forward compatibility... and my system will  
> work fine with Es Client version of 1.4.1 when the server's version will be  
> 1.5.1 , right ?
> 
> On Tuesday, April 21, 2015 at 3:12:44 PM UTC+3, David Pilato wrote:
> 
> > It should work fine.
> > 
> > --  
> > David 😉  
> > Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
> > 
> > Le 21 avr. 2015 à 14:08, Costya Regev [cos...@totango.com](mailto:cos...@totango.com) a écrit :
> > 
> > Hi ,
> > 
> > We have Elasticsearch Servers running with Es Version 1.4.2,our client  
> > version is 1.4.1.
> > 
> > We are about to upgrade our Es cluster Version to 1.5.1 , my question is :
> > 
> > Do we need to upgrade the client version to 1.5.1 or our current version  
> > should be compatible with the new Version?
> > 
> > Thanks,  
> > Costya.
> > 
> > --  
> > 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 [elasticsearc...@googlegroups.com](mailto:elasticsearc...@googlegroups.com).  
> > To view this discussion on the web visit  
> > [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com)  
> > [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%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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<div class="post-metadata">

**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:** [April 21, 2015, 2:03pm UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/5 "2015-04-21T14:03:46Z")

</div>

This should work in both ways.

The client knows what is the node version.  
The node knows what is the client version.

So basically, if one knows he should not send a new data because the other one is too old, it will simply ignore it.  
Same for reading. If your node is newer, he knows that the client won’t provide X or Y value. So he won’t try to read it.

That said, the best thing to do is to test it! 😃

--  
David Pilato - Developer | Evangelist

> **[Elasticsearch Platform — Find real-time answers at scale](https://www.elastic.co/)**
>
> Power insights and outcomes with the Elasticsearch Platform and AI. See into your data and find answers that matter with enterprise solutions designed to help you build, observe, and protect. Try Elasticsearch free today.

@dadoonet [https://twitter.com/dadoonet](https://twitter.com/dadoonet) | @elasticsearchfr [https://twitter.com/elasticsearchfr](https://twitter.com/elasticsearchfr) | @scrutmydocs [https://twitter.com/scrutmydocs](https://twitter.com/scrutmydocs)

> Le 21 avr. 2015 à 15:39, Costya Regev [costya@totango.com](mailto:costya@totango.com) a écrit :
> 
> Another Question : if i will upgrade my Elasticsearch Client to Version 1.5.1 and my Elasticsearch Servers will stay on version 1.4.2 will it work ? it there a backward compatibility ?
> 
> On Tuesday, April 21, 2015 at 4:21:38 PM UTC+3, Costya Regev wrote:  
> Just checking ,
> 
> so you are sure that there is forward compatibility... and my system will work fine with Es Client version of 1.4.1 when the server's version will be 1.5.1 , right ?
> 
> On Tuesday, April 21, 2015 at 3:12:44 PM UTC+3, David Pilato wrote:  
> It should work fine.
> 
> --  
> David 😉  
> Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
> 
> Le 21 avr. 2015 à 14:08, Costya Regev \<[cos...@totango.com](mailto:cos...@totango.com) \<\>\> a écrit :
> 
> > Hi ,
> > 
> > We have Elasticsearch Servers running with Es Version 1.4.2,our client version is 1.4.1.
> > 
> > We are about to upgrade our Es cluster Version to 1.5.1 , my question is :
> > 
> > Do we need to upgrade the client version to 1.5.1 or our current version should be compatible with the new Version?
> > 
> > Thanks,  
> > Costya.
> > 
> > --  
> > 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 [elasticsearc...@googlegroups.com](mailto:elasticsearc...@googlegroups.com) \<\>.  
> > To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com) [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com?utm_medium=email&utm_source=footer).  
> > For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout) [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
> 
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<div class="post-metadata">

**Author:** ![Norberto\_Meijome](https://avatars.discourse-cdn.com/v4/letter/n/ed655f/32.png) [@Norberto\_Meijome](https://discuss.elastic.co/u/Norberto_Meijome)\
**Post date:** [April 21, 2015, 11:14pm UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/6 "2015-04-21T23:14:41Z")

</div>

David, is this the case with older versions (both client and server on  
0.90.x versions using java client), and across the 0.90 to 1.x boundary, or  
only post 1.x?  
On 22/04/2015 12:03 am, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote:

> This should work in both ways.
> 
> The client knows what is the node version.  
> The node knows what is the client version.
> 
> So basically, if one knows he should not send a new data because the other  
> one is too old, it will simply ignore it.  
> Same for reading. If your node is newer, he knows that the client won’t  
> provide X or Y value. So he won’t try to read it.
> 
> That said, the best thing to do is to test it! 😃
> 
> --  
> _David Pilato_ - Developer | Evangelist  
> _[elastic.co](http://elastic.co) [http://elastic.co](http://elastic.co)_  
> @dadoonet [https://twitter.com/dadoonet](https://twitter.com/dadoonet) | @elasticsearchfr  
> [https://twitter.com/elasticsearchfr](https://twitter.com/elasticsearchfr) | @scrutmydocs  
> [https://twitter.com/scrutmydocs](https://twitter.com/scrutmydocs)
> 
> Le 21 avr. 2015 à 15:39, Costya Regev [costya@totango.com](mailto:costya@totango.com) a écrit :
> 
> Another Question : if i will upgrade my Elasticsearch Client to Version  
> 1.5.1 and my Elasticsearch Servers will stay on version 1.4.2 will it work  
> ? it there a backward compatibility ?
> 
> On Tuesday, April 21, 2015 at 4:21:38 PM UTC+3, Costya Regev wrote:
> 
> > Just checking ,
> > 
> > so you are sure that there is forward compatibility... and my system will  
> > work fine with Es Client version of 1.4.1 when the server's version will be  
> > 1.5.1 , right ?
> > 
> > On Tuesday, April 21, 2015 at 3:12:44 PM UTC+3, David Pilato wrote:
> > 
> > > It should work fine.
> > > 
> > > --  
> > > David 😉  
> > > Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
> > > 
> > > Le 21 avr. 2015 à 14:08, Costya Regev [cos...@totango.com](mailto:cos...@totango.com) a écrit :
> > > 
> > > Hi ,
> > > 
> > > We have Elasticsearch Servers running with Es Version 1.4.2,our client  
> > > version is 1.4.1.
> > > 
> > > We are about to upgrade our Es cluster Version to 1.5.1 , my question is  
> > > :
> > > 
> > > Do we need to upgrade the client version to 1.5.1 or our current version  
> > > should be compatible with the new Version?
> > > 
> > > Thanks,  
> > > Costya.
> > > 
> > > --  
> > > 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 [elasticsearc...@googlegroups.com](mailto:elasticsearc...@googlegroups.com).  
> > > To view this discussion on the web visit  
> > > [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com)  
> > > [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%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/6bd32750-ed76-457a-ac79-24e810b689be%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/6bd32750-ed76-457a-ac79-24e810b689be%40googlegroups.com?utm_medium=email&utm_source=footer)  
> .  
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> .  
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<div class="post-metadata">

**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:** [April 22, 2015, 4:49am UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/7 "2015-04-22T04:49:17Z")

</div>

Only post 1.0

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

> Le 22 avr. 2015 à 01:14, Norberto Meijome [numard@gmail.com](mailto:numard@gmail.com) a écrit :
> 
> David, is this the case with older versions (both client and server on 0.90.x versions using java client), and across the 0.90 to 1.x boundary, or only post 1.x?
> 
> > On 22/04/2015 12:03 am, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote:  
> > This should work in both ways.
> > 
> > The client knows what is the node version.  
> > The node knows what is the client version.
> > 
> > So basically, if one knows he should not send a new data because the other one is too old, it will simply ignore it.  
> > Same for reading. If your node is newer, he knows that the client won’t provide X or Y value. So he won’t try to read it.
> > 
> > That said, the best thing to do is to test it! 😃
> > 
> > --  
> > David Pilato - Developer | Evangelist  
> > [elastic.co](http://elastic.co)  
> > @dadoonet | @elasticsearchfr | @scrutmydocs
> > 
> > > Le 21 avr. 2015 à 15:39, Costya Regev [costya@totango.com](mailto:costya@totango.com) a écrit :
> > > 
> > > Another Question : if i will upgrade my Elasticsearch Client to Version 1.5.1 and my Elasticsearch Servers will stay on version 1.4.2 will it work ? it there a backward compatibility ?
> > > 
> > > > On Tuesday, April 21, 2015 at 4:21:38 PM UTC+3, Costya Regev wrote:  
> > > > Just checking ,
> > > > 
> > > > so you are sure that there is forward compatibility... and my system will work fine with Es Client version of 1.4.1 when the server's version will be 1.5.1 , right ?
> > > > 
> > > > > On Tuesday, April 21, 2015 at 3:12:44 PM UTC+3, David Pilato wrote:  
> > > > > It should work fine.
> > > > > 
> > > > > --  
> > > > > David 😉  
> > > > > Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
> > > > > 
> > > > > > Le 21 avr. 2015 à 14:08, Costya Regev [cos...@totango.com](mailto:cos...@totango.com) a écrit :
> > > > > > 
> > > > > > Hi ,
> > > > > > 
> > > > > > We have Elasticsearch Servers running with Es Version 1.4.2,our client version is 1.4.1.
> > > > > > 
> > > > > > We are about to upgrade our Es cluster Version to 1.5.1 , my question is :
> > > > > > 
> > > > > > Do we need to upgrade the client version to 1.5.1 or our current version should be compatible with the new Version?
> > > > > > 
> > > > > > Thanks,  
> > > > > > Costya.
> > > > > > 
> > > > > > --  
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<div class="post-metadata">

**Author:** ![Norberto\_Meijome](https://avatars.discourse-cdn.com/v4/letter/n/ed655f/32.png) [@Norberto\_Meijome](https://discuss.elastic.co/u/Norberto_Meijome)\
**Post date:** [April 22, 2015, 7:52am UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/8 "2015-04-22T07:52:30Z")

</div>

Yup thanks , that's what I thought.  
On 22/04/2015 2:49 pm, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote:

> Only post 1.0
> 
> --  
> David 😉  
> Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
> 
> Le 22 avr. 2015 à 01:14, Norberto Meijome [numard@gmail.com](mailto:numard@gmail.com) a écrit :
> 
> David, is this the case with older versions (both client and server on  
> 0.90.x versions using java client), and across the 0.90 to 1.x boundary, or  
> only post 1.x?  
> On 22/04/2015 12:03 am, "David Pilato" [david@pilato.fr](mailto:david@pilato.fr) wrote:
> 
> > This should work in both ways.
> > 
> > The client knows what is the node version.  
> > The node knows what is the client version.
> > 
> > So basically, if one knows he should not send a new data because the  
> > other one is too old, it will simply ignore it.  
> > Same for reading. If your node is newer, he knows that the client won’t  
> > provide X or Y value. So he won’t try to read it.
> > 
> > That said, the best thing to do is to test it! 😃
> > 
> > --  
> > _David Pilato_ - Developer | Evangelist  
> > _[elastic.co](http://elastic.co) [http://elastic.co](http://elastic.co)_  
> > @dadoonet [https://twitter.com/dadoonet](https://twitter.com/dadoonet) | @elasticsearchfr  
> > [https://twitter.com/elasticsearchfr](https://twitter.com/elasticsearchfr) | @scrutmydocs  
> > [https://twitter.com/scrutmydocs](https://twitter.com/scrutmydocs)
> > 
> > Le 21 avr. 2015 à 15:39, Costya Regev [costya@totango.com](mailto:costya@totango.com) a écrit :
> > 
> > Another Question : if i will upgrade my Elasticsearch Client to Version  
> > 1.5.1 and my Elasticsearch Servers will stay on version 1.4.2 will it work  
> > ? it there a backward compatibility ?
> > 
> > On Tuesday, April 21, 2015 at 4:21:38 PM UTC+3, Costya Regev wrote:
> > 
> > > Just checking ,
> > > 
> > > so you are sure that there is forward compatibility... and my system  
> > > will work fine with Es Client version of 1.4.1 when the server's version  
> > > will be 1.5.1 , right ?
> > > 
> > > On Tuesday, April 21, 2015 at 3:12:44 PM UTC+3, David Pilato wrote:
> > > 
> > > > It should work fine.
> > > > 
> > > > --  
> > > > David 😉  
> > > > Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
> > > > 
> > > > Le 21 avr. 2015 à 14:08, Costya Regev [cos...@totango.com](mailto:cos...@totango.com) a écrit :
> > > > 
> > > > Hi ,
> > > > 
> > > > We have Elasticsearch Servers running with Es Version 1.4.2,our client  
> > > > version is 1.4.1.
> > > > 
> > > > We are about to upgrade our Es cluster Version to 1.5.1 , my question  
> > > > is :
> > > > 
> > > > Do we need to upgrade the client version to 1.5.1 or our current  
> > > > version should be compatible with the new Version?
> > > > 
> > > > Thanks,  
> > > > Costya.
> > > > 
> > > > --  
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> > > > To view this discussion on the web visit  
> > > > [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com)  
> > > > [https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/b82263a6-e35b-4a38-b4ac-d1b570e233a9%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/6bd32750-ed76-457a-ac79-24e810b689be%40googlegroups.com?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/6bd32750-ed76-457a-ac79-24e810b689be%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/B456AA03-5B37-4E04-9BD0-DE472DFB4AF2%40pilato.fr?utm\_medium=email&utm\_source=footer](https://groups.google.com/d/msgid/elasticsearch/B456AA03-5B37-4E04-9BD0-DE472DFB4AF2%40pilato.fr?utm_medium=email&utm_source=footer)  
> > .  
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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, 12:18am UTC](https://discuss.elastic.co/t/elasticsearch-version-upgrade/23343/9 "2017-07-06T00:18:23Z")

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