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https://issues.apache.org/jira/browse/SOLR-6349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14177373#comment-14177373
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Tomás Fernández Löbbe commented on SOLR-6349:
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I'll iterate this patch to improve what you are mentioning. I'll probably won't
have time this week to work on this, so I'll take it next week, or if someone
else wants to continue, please feel free.
> LocalParams for enabling/disabling individual stats
> ---------------------------------------------------
>
> Key: SOLR-6349
> URL: https://issues.apache.org/jira/browse/SOLR-6349
> Project: Solr
> Issue Type: Sub-task
> Reporter: Hoss Man
> Attachments: SOLR-6349-tflobbe.patch, SOLR-6349-tflobbe.patch,
> SOLR-6349-tflobbe.patch, SOLR-6349-xu.patch, SOLR-6349___bad_idea_broken.patch
>
>
> Stats component currently computes all stats (except for one) every time
> because they are relatively cheap, and in some cases dependent on eachother
> for distrib computation -- but if we start layering stats on other things it
> becomes unnecessarily expensive to compute all the stats when they just want
> the "sum" (and it will definitely become excessively verbose in the
> responses).
> The plan here is to use local params to make this configurable. All of the
> existing stat options could be modeled as a simple boolean param, but future
> params (like percentiles) might take in a more complex param value...
> Example:
> {noformat}
> stats.field={!min=true max=true percentiles='99,99.999'}price
> stats.field={!mean=true}weight
> {noformat}
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