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From "Doron Cohen (JIRA)" <>
Subject [jira] Commented: (LUCENE-1540) Improvements to contrib.benchmark for TREC collections
Date Sun, 06 Feb 2011 20:15:30 GMT


Doron Cohen commented on LUCENE-1540:

bq. I wish we knew of a good solution, because I hate it when things aren't completely reproducible

Thanks Robert, I am actually very pleased with this array of testing with various parameters
like locale and others randomly selected - it is very powreful, and since the failure printed
all the parameters used and even the ant line to reproduce(\!)  - it was possible to reproduce
in 3x, and, once understanding what the problem was also possible to reproduce in trunk -
to me this is testing's heaven...

> Improvements to contrib.benchmark for TREC collections
> ------------------------------------------------------
>                 Key: LUCENE-1540
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: contrib/benchmark
>            Reporter: Tim Armstrong
>            Assignee: Doron Cohen
>            Priority: Minor
>             Fix For: 3.1, 4.0
>         Attachments: LUCENE-1540.patch, LUCENE-1540.patch, LUCENE-1540.patch, LUCENE-1540.patch,
> The benchmarking utilities for  TREC test collections ( are quite
limited and do not support some of the variations in format of older TREC collections.  
> I have been doing some benchmarking work with Lucene and have had to modify the package
to support:
> * Older TREC document formats, which the current parser fails on due to missing document
> * Variations in query format - newlines after <title> tag causing the query parser
to get confused.
> * Ability to detect and read in uncompressed text collections
> * Storage of document numbers by default without storing full text.
> I can submit a patch if there is interest, although I will probably want to write unit
tests for the new functionality first.

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