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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4599) Compressed term vectors
Date Sat, 08 Dec 2012 15:27:21 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13527167#comment-13527167
] 

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

I think a FST would not compress as much as what LZ4 or Deflate can do? But maybe it could
speed up TermsEnum.seekCeil on large documents so it might be an interesting idea regarding
random access speed?

bq. can we simply reference the terms by ord (an int) instead of writing each term bytes?

Do you mean their ords in the terms dictionary? Is that information available somewhere when
writing/merging term vectors?
                
> 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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