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From "Tom Burton-West (JIRA)" <>
Subject [jira] Issue Comment Edited: (LUCENE-2393) Utility to output total term frequency and df from a lucene index
Date Wed, 14 Apr 2010 17:26:50 GMT


Tom Burton-West edited comment on LUCENE-2393 at 4/14/10 1:26 PM:

Patch against recent trunk.   Can someone please suggest an appropriate existing unit test
to use as a model for creating a unit test for this?   Would it be appropriate to include
a small index file for testing or is it better to programatically create the index file?

      was (Author: tburtonwest):
    Patch against recent trunk
> Utility to output total term frequency and df from a lucene index
> -----------------------------------------------------------------
>                 Key: LUCENE-2393
>                 URL:
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: contrib/*
>            Reporter: Tom Burton-West
>            Priority: Trivial
>         Attachments: LUCENE-2393.patch
> This is a command line utility that takes a field name, term, and index directory and
outputs the document frequency for the term and the total number of occurrences of the term
in the index (i.e. the sum of the tf of the term for each document).  It is useful for estimating
the size of the term's entry in the *prx files and consequent Disk I/O demands

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