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https://issues.apache.org/jira/browse/SOLR-11982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16392931#comment-16392931
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Shawn Heisey commented on SOLR-11982:
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bq. I think shards.sort is pretty consistent with the rest of the Solr
parameters. facet.sort sorts facets, group.sort sorts groups
Those sort parameters affect the order of information in search results. The
one discussed here is unlikely in most situations to have any effect at all on
the order of results.
If you're determined to use a sort parameter, I won't stand in your way. I've
said why I don't like it, and you're free to say that my worries are unfounded.
You might want to consider replica.sort instead of shards.sort, since it's
actually replicas that are being sorted.
One more thing, I should create a new issue for this: We have a lot of
inconsistency on multi-word parameter names. Some of them have the parts
separated by periods, some of them use camelCase. We really should standardize
on one style, and remove old parameters in 8.0. I'm leaning towards the period
separator, simply because if we can make parameter names case-insensitive,
users are less likely to type parameters incorrectly.
> 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: 7.3, master (8.0)
> Reporter: Ere Maijala
> Priority: Minor
> Labels: patch-available, patch-with-test
> Attachments: SOLR-11982-preferReplicaTypes.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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