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https://issues.apache.org/jira/browse/LUCENE-4527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13490178#comment-13490178
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Robert Muir commented on LUCENE-4527:
-------------------------------------
I'm not sure I like 4 vints for min and lengths? If documents (including all
fields) are largish then we might be making it worse.
Is the min really worth it? It seems like too much overhead.
> CompressingStoredFieldsFormat: encode numStoredFields more efficiently
> ----------------------------------------------------------------------
>
> Key: LUCENE-4527
> URL: https://issues.apache.org/jira/browse/LUCENE-4527
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Fix For: 4.1
>
> Attachments: LUCENE-4527.patch
>
>
> Another interesting idea from Robert: many applications have a schema and all
> documents are likely to have the same number of stored fields. We could save
> space by using packed ints and the same kind of optimization as {{ForUtil}}
> (requiring only one VInt if all values are equal).
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