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https://issues.apache.org/jira/browse/SOLR-9378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris M. Hostetter updated SOLR-9378:
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Attachment: SOLR-9378.patch
Fix Version/s: (was: 7.0)
(was: 6.2)
Assignee: Chris M. Hostetter
Status: Open (was: Open)
Attaching a patch suitable for main & backport to 9x.
This goes a little beyond what I originally advocated – the backcompat support
is still there, but it's via a {{style}} localparam, which can have a default
specified in an (explicit) augmenter registration in {{solrconfig.xml}} ...
this is inspired by how the {{explain}} augmenter works.
If neither are specified, then the implicit default behavior is driven by the
luceneMatchVersion.
The patch also includes a test for the situation described in SOLR-13595 with a
test proving that te {{shards}} augmenter now works in this situation.
After backporting to 9x, the deprecated {{SHARD_URL}} param can be deleted from
main.
> Avoid sending the shard.url parameter in shard requests
> -------------------------------------------------------
>
> Key: SOLR-9378
> URL: https://issues.apache.org/jira/browse/SOLR-9378
> Project: Solr
> Issue Type: Improvement
> Components: search, SolrCloud
> Reporter: Shalin Shekhar Mangar
> Assignee: Chris M. Hostetter
> Priority: Minor
> Attachments: SOLR-9378.patch
>
>
> The shard.url parameter contains a list of all replicas for a shard. One of
> those is chosen by the HttpShardHandler to execute the request. So, it is
> used only within the context of processing request on a distributor node as a
> special storage for a list of replicas urls between the prep and execution
> phase of HttpShardHandler. There is no real need to send this parameter down
> to the chosen shard.
> However, Hoss pointed out to me that removing this would break
> ShardAugmenterFactory so we need to figure out if/how we can do this.
> Personally, I don't think it is at all useful to write down *all* replicas
> with the document without telling which replica really served the query.
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