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From "Simon Willnauer (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3433) Random access non RAM resident IndexDocValues (CSF)
Date Thu, 06 Oct 2011 13:12:29 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13121911#comment-13121911
] 

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

bq. +1 - something contentious should not be removed in an unrelated issue like this. If it's
already in, but some want it out, let's make an a new issue to discuss. Once something is
in, there should be a clear and dedicated issue discussing it's removal if there is dispute.
I don't agree with simply pulling it and putting the onus on those who want it to make an
issue to get it back in.

there is no dispute here If you'd have looked at the API and the code you'd know what I talk
about though. We cut over to a new api where sorted source doesn't fit in nicely. We had ValuesEnum
used for merging as the LCD between SortedSource and Source. Now we only have Source as a
RandomAccess API. To keep this at a reasonable size we should try to add the missing part
in a different issue. We should also rethink how to merge sortd sources since they are quite
mem heavy (I think this is a potential issue). Adding back SortedSource is going to be tough
without a new issue since lots of stuff has changed. To make this dev process easier backing
out and re-adding seems best to me. Don't worry we gonna add it back though.
                
> 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
>            Assignee: Simon Willnauer
>             Fix For: 4.0
>
>         Attachments: LUCENE-3433.patch, LUCENE-3433.patch, LUCENE-3433.patch, sorted_source.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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