Manuel Lenormand created SOLR-5501:
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Summary: Ability to work with cold replicas
Key: SOLR-5501
URL: https://issues.apache.org/jira/browse/SOLR-5501
Project: Solr
Issue Type: Improvement
Components: SolrCloud
Affects Versions: 4.5.1
Reporter: Manuel Lenormand
Fix For: 4.7
Following this conversation from the mailing list:
http://lucene.472066.n3.nabble.com/Proposal-for-new-feature-cold-replicas-brainstorming-td4097501.html
Should give the ability to use replicas mainly as backup cores and not for
handling high qps rate.
This way you would avoid using the caching ressources (solr and OS) used when
routing a query to a replica.
With many replicas it's harder hitting the solr cache (same query may hit
another replica) and having many replicas on the same instance would cause a
useless competition on the OS memory for caching.
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