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https://issues.apache.org/jira/browse/SOLR-10880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16048882#comment-16048882
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Domenico Fabio Marino commented on SOLR-10880:
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This can be used as a solution for
https://issues.apache.org/jira/browse/SOLR-10484 (not ideal, but one could mark
all the replicas not under maintenance somehow and then use only those) and is
also useful for the Canary component(SOLR-10610) as the requests that it
produces should only be handled by canary replicas.
> Support replica filtering by flavour
> ------------------------------------
>
> Key: SOLR-10880
> URL: https://issues.apache.org/jira/browse/SOLR-10880
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Domenico Fabio Marino
> Priority: Minor
> Attachments: SOLR-10880.patch
>
>
> Add a mechanism to allow queries to use only a subset of replicas(by
> specifying the wanted replica "flavour").
> Some replicas have to be marked as "flavoured" before running the query.
> A query can specify ShardParams.SHARDS_REQUIRED_FLAVOUR to specify the
> flavour it wants to use (Only one flavour can be specified) together with
> ShardParams.SHARDS_CONSIDER_FLAVOURS set to true.
> The property Replica.REPLICA_FLAVOUR can be used to give a flavour to a
> replica, the parameter it takes is a pipe ('|') separated list of flavours
> (e.g. "chocolate|vanilla").
> The mappings between flavours is only computed when
> ShardParams.SHARDS_CONSIDER_FLAVOURS is true, and it is computed separately
> for each request.
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