[jira] [Created] (SOLR-7507) Collection specific config for SolrCloud

["Markus Heiden (JIRA)" <ji...@apache.org>]

Markus Heiden created SOLR-7507:
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             Summary: Collection specific config for SolrCloud
                 Key: SOLR-7507
                 URL: https://issues.apache.org/jira/browse/SOLR-7507
             Project: Solr
          Issue Type: Improvement
          Components: SolrCloud
    Affects Versions: 5.1
            Reporter: Markus Heiden
            Priority: Minor


SolrCloud uses the collection abstraction and propagates to not think of cores. But currently the collection properties are just stored as core properties of the created cores. These won't get propagated to new nodes automatically. This is counter-intuitive.

This patch adds the possibility to add collection specific config files. These are put under the collection node in zookeeper. The resolution order for config file accesses is now: 1) collection node, 2) config set node, 3) file system.

This allows for one generic config set being used for different collections which just differ in their solrcore.properties. Furthermore the solrcore.properties need no more to exist in the filesystem but are distributed via zookeeper as it should be (IMO).

If you like this patch, I will add a patch for ZkCLI which allows the upload of config files for a collection in the linkconfig command.




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