Unloading and loading a Collection in SolrCloud with external Zookeeper ensemble

[Gajanan]

I have unloaded all cores of a collection in SolrCloud (8.x.x ) using
coreAdmin APIs as UNLOAD collection is not available in collections API. Now
I want reload the unloaded collection using APIs only. 
When trying with coreAdmin APIs I am getting "Non legacy mode CoreNodeName
not found." 
When trying with collections APIs it is reloaded but shows no cores
available.




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Re: Unloading and loading a Collection in SolrCloud with external Zookeeper ensemble

[Gajanan]

Hi Erick, thanks for the reply.
I am working on a application where a  solr collection is being created per
usage of application accumulating lot of them over period of time . In order
to keep memory requirements under control, I am unloading collections not in
current usage and loading them whenever required. 
This was working in non cloud mode with coreAdmin APIs. Now because of
scaling requirements we want to shift to SolrCloud mode. we want to continue
with same application design. can you suggest, how to implement a similar
solution in SolrCloud context.

-Gajanan



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Re: Unloading and loading a Collection in SolrCloud with external Zookeeper ensemble

[Gajanan]

Thanks for the replies. Wanted to make sure that I am not missing on
something already available. Now that everything is clear, I may have to go
for application re-design or choose an approach, not so elegant, as
suggested.
Thanks all.
-Gajanan 



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How to unload and reload a solr collection in SolrCloud

[Gajanan Watkar]

I want to unload and reload all cores of a collection in SolrCloud mode
(Solr 8.x.x).

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-Gajanan