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From "Shai Erera (Commented) (JIRA)" <>
Subject [jira] [Commented] (LUCENE-3262) Facet benchmarking
Date Thu, 06 Oct 2011 11:22:30 GMT


Shai Erera commented on LUCENE-3262:

bq. ItemSource.resetInputs

I don't have that warning turned on in Eclipse. I disabled it for exactly this reason :).

bq. ItemSource rename

The new name is ok, and the properties better fit it. BTW, if you wanted to have the .algs
out there to not silently fail, you could add some code to setConfig that checks for these
outdated properties, and throw a proper exception. But I'm ok with the solution you chose.

bq. PFD.readers.incRef()

The javadocs are good. I'd also add "<b>NOTE:</b> if you no longer need that IndexReader/TaxoReader,
you should decRef()/close() after calling this method". Otherwise, the IR/TR will just stay
open ...
> Facet benchmarking
> ------------------
>                 Key: LUCENE-3262
>                 URL:
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: modules/benchmark, modules/facet
>            Reporter: Shai Erera
>            Assignee: Doron Cohen
>         Attachments:, LUCENE-3262.patch,
> A spin off from LUCENE-3079. We should define few benchmarks for faceting scenarios,
so we can evaluate the new faceting module as well as any improvement we'd like to consider
in the future (such as cutting over to docvalues, implement FST-based caches etc.).
> Toke attached a preliminary test case to LUCENE-3079, so I'll attach it here as a starting
> We've also done some preliminary job for extending Benchmark for faceting, so I'll attach
it here as well.
> We should perhaps create a Wiki page where we clearly describe the benchmark scenarios,
then include results of 'default settings' and 'optimized settings', or something like that.

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