> The recommendation these days is to NOT use the embedded server
We would love to, as it is clear that this is not the "Solr-way" to go. The 
reason for us building upon EmbeddedSolrServer is, we have more than 150sites, 
each with ist own index (core). If we'd go client server then we could no 
easily update the solr server(s) without also updating all clients (i.e. the 
150 sites) at same time. And having a dedicated Solr server for every 
client/site is not really an option, is it?

Or can for example a 4.10.3 client "talk" to a Solr 5/6 Server? Also when 
updating the Solr server, doesn't that also require a re-index of all data as 
the Luncene-storage format might have changed?

-----Ursprüngliche Nachricht-----
Von: Shawn Heisey [mailto:apa...@elyograg.org] 
Gesendet: Donnerstag, 29. Januar 2015 20:30
An: solr-user@lucene.apache.org
Betreff: Re: AW: AW: CoreContainer#createAndLoad, existing cores not loaded

On 1/29/2015 10:15 AM, Clemens Wyss DEV wrote:
>> to put your solr home inside the extracted WAR
> We are NOT using war's
> 
>> coreRootDirectory
> I don't have this property in my sorl.xml
> 
>> If there will only be core.properties files in that cores directory
> Again, I see no core.properties file. I am creating my cores through 
> CoreContainer.createCore( CordeDescriptor). The folder(s) are created 
> but  no core.properties file

I am pretty clueless when it comes to the embedded server, but if you are 
creating the cores in the java code every time you create the container, I bet 
what I'm telling you doesn't apply at all.  The solr.xml file may not even be 
used.

The recommendation these days is to NOT use the embedded server.  There are too 
many limitations and it doesn't receive as much user testing as the webapp.  
Start Solr as a separate process and access it over http.
The overhead of http on a LAN is minimal, and over localhost it's almost 
nothing.

To do that, you would just need to change your code to use one of the client 
objects.  That would probably be HttpSolrServer, which is renamed to 
HttpSolrClient in 5.0.  They share the same parent object as 
EmbeddedSolrServer.  Most of the relevant methods used come from the parent 
class, so you would need very few code changes.

Thanks,
Shawn

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