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From "Shai Erera (JIRA)" <>
Subject [jira] [Commented] (LUCENE-4764) Faster but more RAM/Disk consuming DocValuesFormat for facets
Date Tue, 12 Feb 2013 15:07:12 GMT


Shai Erera commented on LUCENE-4764:

I see, thanks for the clarification. So basically, if I'm happy w/ Lucene42Codec, but just
was to override a per-field setting (DV or posting), it's simpler that I extend it. Would
I also be able to extend FilterCodec, and delegate to Lucene42 the fields that are of not
interest to me? Would it still use the PerField thingy for my fields too? Or in that case
I'd need to use PerField myself?
> Faster but more RAM/Disk consuming DocValuesFormat for facets
> -------------------------------------------------------------
>                 Key: LUCENE-4764
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.2, 5.0
>         Attachments: LUCENE-4764.patch, LUCENE-4764.patch, LUCENE-4764.patch
> The new default DV format for binary fields has much more
> RAM-efficient encoding of the address for each document ... but it's
> also a bit slower at decode time, which affects facets because we
> decode for every collected docID.

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