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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4599) Compressed term vectors
Date Fri, 07 Dec 2012 17:21:20 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13526557#comment-13526557
] 

Adrien Grand commented on LUCENE-4599:
--------------------------------------

bq. I think we waste space with the terms, especially prefix/suffix lengths [..] these should
likely be bulk-compressed

Good point.

bq. flags are wasteful and stupid, but it seems like you already tried to address that to
some extent

I'm storing them in a packed ints array where each entry is 3 bits per value. I'll try to
optimize when a field always has the same flags.


                
> Compressed term vectors
> -----------------------
>
>                 Key: LUCENE-4599
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4599
>             Project: Lucene - Core
>          Issue Type: Task
>          Components: core/codecs, core/termvectors
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>             Fix For: 4.1
>
>         Attachments: LUCENE-4599.patch
>
>
> We should have codec-compressed term vectors similarly to what we have with stored fields.

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