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Message-Id: <6683FBAC-B004-43D7-A522-00CD9C2A6C09@mikemccandless.com>
From: Michael McCandless <lucene@mikemccandless.com>
To: java-dev@lucene.apache.org
In-Reply-To: <8837fb770809101409x4e9d98a0p10cb4b25bfbfcf47@mail.gmail.com>
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Subject: Re: docid set compression and boolean docid set operations
Date: Thu, 11 Sep 2008 06:10:08 -0400
References: <8837fb770809101408v13d0e019s6a69b1d9b8933db2@mail.gmail.com>
 <8837fb770809101409x4e9d98a0p10cb4b25bfbfcf47@mail.gmail.com>

Hi John,

I would love to see this added to Lucene!

Do you have actual performance numbers?  (Looks like the table in that  
link below isn't "real"?).

Mike

John Wang wrote:

> Sorry, I meant lucene 2.4
>
> -John
>
> On Wed, Sep 10, 2008 at 2:08 PM, John Wang <john.wang@gmail.com>  
> wrote:
> Hi guys:
>
>      We have build this on top of the lucene 1.4. api/refactoring  
> for docid sets and docIdIterater.
>
>      We've implemented the p4Delta compression algorithm presented  
> at www2008: http://www2008.org/papers/fp618.html
>
>      We've been using this in production here at LinkedIn and would  
> love to contribute it into lucene.
>
>      We currently open sourced it at: http://code.google.com/p/lucene-ext/wiki/Kamikaze
>
>      Please let us know if it is thing you guys want to proceed, if  
> so, what are the steps we should take.
>
> Thanks
>
> -John
>
>


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