[jira] Commented: (LUCENE-2528) CFSFileDirectory: Allow a Compound Index file to be deployed as a complete index without segment files

["Lance Norskog (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-2528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12885427#action_12885427 ] 

Lance Norskog commented on LUCENE-2528:
---------------------------------------

This patch has two problems:
1) CFSFileDirectory is in o.a.l.index instead of o.a.l.store because it uses SegmenInfo.commit(), which is not public. 
2) It uses a hacky way to get the number of documents in the index.
3) It does not know how to get the codec, and so defaults to StandardCodec.

The right way to fix #2 and #3 is to add the information to the compound file header.  



> CFSFileDirectory: Allow a Compound Index file to be deployed as a complete index without segment files
> ------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-2528
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2528
>             Project: Lucene - Java
>          Issue Type: New Feature
>            Reporter: Lance Norskog
>            Priority: Minor
>         Attachments: LUCENE-2528.patch
>
>
> This patch presents a compound index file as a Lucene Directory class. This allows you to deploy one file to a query server instead of deploying a directory with the compound file and two segment files.

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