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https://issues.apache.org/jira/browse/SOLR-11982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425820#comment-16425820
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Houston Putman commented on SOLR-11982:
---------------------------------------

Just my two cents, but I think that {{shards.preference}} is a lot clearer than 
{{shards.sort}} for this kind of option. {{sort}} is a defined parameter in 
Solr and I think using it in this context would muddy the term else where in 
Solr as well as add confusion here. This is a new type of behavior for Solr and 
therefore requires a new parameter name. I think {{shards.preference}} would 
work well in differentiating it as a new feature.

{{shards.routing}} or {{shards.route}} may be even clearer names as they 
explicitly show that they are options for routing a request. The words 
{{preference}} and {{sort}} don't inherently relate to routing, though 
{{preference}} does come closer.

> Add support for indicating preferred replica types for queries
> --------------------------------------------------------------
>
>                 Key: SOLR-11982
>                 URL: https://issues.apache.org/jira/browse/SOLR-11982
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>    Affects Versions: 7.4, master (8.0)
>            Reporter: Ere Maijala
>            Priority: Minor
>              Labels: patch-available, patch-with-test
>         Attachments: SOLR-11982-preferReplicaTypes.patch, 
> SOLR-11982-preferReplicaTypes.patch, SOLR-11982.patch, SOLR-11982.patch, 
> SOLR-11982.patch, SOLR-11982.patch, SOLR-11982.patch, SOLR-11982.patch, 
> SOLR-11982.patch, SOLR-11982.patch
>
>
> It would be nice to have the possibility to easily sort the shards in the 
> preferred order e.g. by replica type. The attached patch adds support for 
> {{shards.sort}} parameter that allows one to sort e.g. PULL and TLOG replicas 
> first with \{{shards.sort=replicaType:PULL|TLOG }}(which would mean that NRT 
> replicas wouldn't be hit with queries unless they're the only ones available) 
> and/or to sort by replica location (like preferLocalShards=true but more 
> versatile).



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