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https://issues.apache.org/jira/browse/SOLR-7507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14532899#comment-14532899
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Markus Heiden commented on SOLR-7507:
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Many custom ones. E.g. we are loading our synonyms from a database instead of
the filesystem. For specifying which synonyms to use, we have properties
containing the SQL to select the wanted synonyms from the database:
solr.jdbc.synonyms.normalize-genderages = SELECT
lower(concat(array_to_string(origin,','), '=>', normalization)) AS line FROM
normalization WHERE active AND type = 'equivalent-genderages'.
Same for many other synonym types.
Furthermore we have some properties which are configuring grouping and scoring.
In total we got ~ 30 custom properties for each collection.
> 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
> Labels: patch
> Attachments: SolrCloudCollectionConfig.patch
>
>
> 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)
> classpath. Notice that the filesystem fallback (default:
> conf/solrcore.properties) has been removed for SolrCloud mode.
> This allows for having 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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