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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-4733) Make CompressingTermVectorsFormat the new default term vectors format?
Date Fri, 01 Feb 2013 10:59:13 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-4733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Adrien Grand updated LUCENE-4733:
---------------------------------

    Attachment: LUCENE-4733-javadocs.patch

New patch that adds Lucene42TermVectorsFormat with file format javadocs.

I have set chunkSize=4KB as it seemed to be a good compromise between compression and speed
in LUCENE-4599 (this chunk size only accounts for terms and payloads). Moreover, it uses LZ4
compression (which is very light) so that compression/decompression is not the bottleneck
even for small indexes which fit into memory.
                
> Make CompressingTermVectorsFormat the new default term vectors format?
> ----------------------------------------------------------------------
>
>                 Key: LUCENE-4733
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4733
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Trivial
>             Fix For: 4.2
>
>         Attachments: LUCENE-4733-javadocs.patch, LUCENE-4733-tests.patch
>
>
> In LUCENE-4599, I wrote an alternate term vectors format which has a more compact format,
and I think it could replace the current Lucene40TermVectorsFormat for the next (4.2) release?

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