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Date: Wed, 5 Oct 2011 16:49:34 +0000 (UTC)
From: "Simon Willnauer (Commented) (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] [Commented] (LUCENE-3433) Random access non RAM resident
 IndexDocValues (CSF)
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    [ https://issues.apache.org/jira/browse/LUCENE-3433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121126#comment-13121126 ] 

Simon Willnauer commented on LUCENE-3433:
-----------------------------------------

bq. Random access is also important if we want to use DocValues instead of norms.
we have random access already for in memory source.

To simplify this here a bit we could remove ValuesEnum and use Source also for on disk access. The source API is already pretty much like ByteBuffer etc but provides the flexibility we need on the impl level.


> Random access non RAM resident IndexDocValues (CSF)
> ---------------------------------------------------
>
>                 Key: LUCENE-3433
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3433
>             Project: Lucene - Java
>          Issue Type: New Feature
>    Affects Versions: 4.0
>            Reporter: Yonik Seeley
>             Fix For: 4.0
>
>         Attachments: LUCENE-3433.patch
>
>
> There should be a way to get specific IndexDocValues by going through the Directory rather than loading all of the values into memory.

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