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From Tomás Fernández Löbbe (JIRA) <>
Subject [jira] [Commented] (SOLR-9837) Performance regression of numeric field uninversion time
Date Fri, 09 Dec 2016 21:08:59 GMT


Tomás Fernández Löbbe commented on SOLR-9837:

That would be great. I always wanted something like that for Solr too, but I never had the
time to work on it. 

> Performance regression of numeric field uninversion time
> --------------------------------------------------------
>                 Key: SOLR-9837
>                 URL:
>             Project: Solr
>          Issue Type: Sub-task
>      Security Level: Public(Default Security Level. Issues are Public) 
>    Affects Versions: master (7.0)
>            Reporter: Yonik Seeley
>            Assignee: Yonik Seeley
>             Fix For: master (7.0)
> Somehow related to LUCENE-7407, after the transition, the uninvert time of numeric fields
has gone up substantially.  I haven't tested all field types yet, just integer fields, which
show a 55% performance regression for the initial uninvert time.
> This was tested with a numeric field of cardinality 1M on a 10M doc index.
> {code}
> q=id:1&sort=my_numeric_field desc
> {code}

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